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Products - (25001 Products)

Made in USA - 5/16-18 UNC Hex Socket Drive, 82° Flat Screw - Grade 316 Stainless Steel, 1-1/4" OAL - Benchmark Tooling

Made in USA - 5/16-18 UNC Hex Socket Drive, 82° Flat Screw - Grade 316 Stainless Steel, 1-1/4" OAL


Item #: 70972757
Brand: Made in USA
Exact Tooling IR#: 04

Features and Benefits

Flat head types have flat surfaces that taper toward the screw body to allow for countersinking. The flat head lies flush against the workpiece.
Hex socket drive types have a hex-shaped recess in the head and are driven with hex keys or hex socket bits. The driving surface is protected from external damage and provides six sides of contact surface for added torque.
Stainless steel is a strong, corrosion-resistant alloy with excellent resistance to heat. It is used in high-stress, outdoor and corrosive applications.
Product Specifications
System of Measurement Inch
Head Type 82 Degree Flat
Drive Type Hex Socket
Thread Size (Inch) 5/16-18
Length Measurement Type Overall Length
Length (Inch) 1-1/4
Material Stainless Steel
Thread Standard UNC
Hex Key Size (Inch) 3/16
Material Grade 316

$13.30

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Made in USA - 5/16-18 UNC Hex Socket Drive, Button Screw - Alloy Steel, Black Oxide Finish, Fully Threaded, 1" Length Under Head - Benchmark Tooling

Made in USA - 5/16-18 UNC Hex Socket Drive, Button Screw - Alloy Steel, Black Oxide Finish, Fully Threaded, 1" Length Under Head


Item #: 60585106
Brand: Made in USA
Exact Tooling IR#: 04

Features and Benefits

Button head types have cylindrical heads with curved tops and flat bearing surfaces. They slightly protrude out of the workpiece and are used for aesthetic purposes.
Hex socket drive types have a hex-shaped recess in the head and are driven with hex keys or hex socket bits. The driving surface is protected from external damage and provides six sides of contact surface for added torque.
Alloy steel is the strongest of all steel types. It has high tensile strength and offers excellent resistance to wear, fatigue and galling.
Product Specifications
System of Measurement Inch
Head Type Button
Drive Type Hex Socket
Thread Size (Inch) 5/16-18
Length Measurement Type Length Under Head
Length (Inch) 1
Material Alloy Steel
Finish/Coating Black Oxide
Full or Partial Threading Fully Threaded
Thread Standard UNC
Fastener Standard ASME B18.3; ASTM F835
Hex Key Size (Inch) 3/16
Hex Key Size (Decimal Inch) 0.1875

$44.80

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Made in USA - 5/16-18 UNC Hex Socket Drive, Button Screw - Alloy Steel, Black Oxide Finish, Fully Threaded, 1" Length Under Head - Benchmark Tooling

Made in USA - 5/16-18 UNC Hex Socket Drive, Button Screw - Alloy Steel, Black Oxide Finish, Fully Threaded, 1" Length Under Head


Item #: 65366858
Brand: Made in USA
Exact Tooling IR#: 04

Features and Benefits

Button head types have cylindrical heads with curved tops and flat bearing surfaces. They slightly protrude out of the workpiece and are used for aesthetic purposes.
Hex socket drive types have a hex-shaped recess in the head and are driven with hex keys or hex socket bits. The driving surface is protected from external damage and provides six sides of contact surface for added torque.
Alloy steel is the strongest of all steel types. It has high tensile strength and offers excellent resistance to wear, fatigue and galling.
Product Specifications
System of Measurement Inch
Head Type Button
Drive Type Hex Socket
Thread Size (Inch) 5/16-18
Length Measurement Type Length Under Head
Length (Inch) 1
Material Alloy Steel
Finish/Coating Black Oxide
Full or Partial Threading Fully Threaded
Thread Standard UNC
Fastener Standard ASTM F835
Hex Key Size (Inch) 3/16

$51.73

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Made in USA - 5/16-18 UNC Hex Socket Drive, Button Screw - Alloy Steel, Black Oxide Finish, Fully Threaded, 1" Length Under Head - Benchmark Tooling

Made in USA - 5/16-18 UNC Hex Socket Drive, Button Screw - Alloy Steel, Black Oxide Finish, Fully Threaded, 1" Length Under Head


Item #: 70680814
Brand: Made in USA
Exact Tooling IR#: 04

Features and Benefits

Button head types have cylindrical heads with curved tops and flat bearing surfaces. They slightly protrude out of the workpiece and are used for aesthetic purposes.
Hex socket drive types have a hex-shaped recess in the head and are driven with hex keys or hex socket bits. The driving surface is protected from external damage and provides six sides of contact surface for added torque.
Alloy steel is the strongest of all steel types. It has high tensile strength and offers excellent resistance to wear, fatigue and galling.
Product Specifications
System of Measurement Inch
Head Type Button
Drive Type Hex Socket
Thread Size (Inch) 5/16-18
Length Measurement Type Length Under Head
Length (Inch) 1
Material Alloy Steel
Finish/Coating Black Oxide
Full or Partial Threading Fully Threaded
Thread Standard UNC
Fastener Standard ASME B18.3; ASTM F835
Hex Key Size (Inch) 3/16
Hex Key Size (Decimal Inch) 0.1875

$19.58

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Made in USA - 5/16-18 UNC Hex Socket Drive, Button Screw - Alloy Steel, Black Oxide Finish, Fully Threaded, 1-1/2" Length Under Head - Benchmark Tooling

Made in USA - 5/16-18 UNC Hex Socket Drive, Button Screw - Alloy Steel, Black Oxide Finish, Fully Threaded, 1-1/2" Length Under Head


Item #: 09682386
Brand: Made in USA
Exact Tooling IR#: 04

Features and Benefits

Button head types have cylindrical heads with curved tops and flat bearing surfaces. They slightly protrude out of the workpiece and are used for aesthetic purposes.
Hex socket drive types have a hex-shaped recess in the head and are driven with hex keys or hex socket bits. The driving surface is protected from external damage and provides six sides of contact surface for added torque.
Alloy steel is the strongest of all steel types. It has high tensile strength and offers excellent resistance to wear, fatigue and galling.
Product Specifications
System of Measurement Inch
Head Type Button
Drive Type Hex Socket
Thread Size (Inch) 5/16-18
Length Measurement Type Length Under Head
Length (Inch) 1-1/2
Material Alloy Steel
Finish/Coating Black Oxide
Full or Partial Threading Fully Threaded
Thread Standard UNC
Fastener Standard ASME B18.3; ASTM F835
Hex Key Size (Inch) 3/16
Hex Key Size (Decimal Inch) 0.1875

$89.40

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Made in USA - 5/16-18 UNC Hex Socket Drive, Button Screw - Alloy Steel, Black Oxide Finish, Fully Threaded, 1-1/4" Length Under Head - Benchmark Tooling

Made in USA - 5/16-18 UNC Hex Socket Drive, Button Screw - Alloy Steel, Black Oxide Finish, Fully Threaded, 1-1/4" Length Under Head


Item #: 82958851
Brand: Made in USA
Exact Tooling IR#: 04

Features and Benefits

Button head types have cylindrical heads with curved tops and flat bearing surfaces. They slightly protrude out of the workpiece and are used for aesthetic purposes.
Hex socket drive types have a hex-shaped recess in the head and are driven with hex keys or hex socket bits. The driving surface is protected from external damage and provides six sides of contact surface for added torque.
Alloy steel is the strongest of all steel types. It has high tensile strength and offers excellent resistance to wear, fatigue and galling.
Product Specifications
System of Measurement Inch
Head Type Button
Drive Type Hex Socket
Thread Size (Inch) 5/16-18
Length Measurement Type Length Under Head
Length (Inch) 1-1/4
Material Alloy Steel
Finish/Coating Black Oxide
Full or Partial Threading Fully Threaded
Thread Standard UNC
Fastener Standard ASME B18.3; ASTM F835
Hex Key Size (Inch) 3/16
Hex Key Size (Decimal Inch) 0.1875

$89.82

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Made in USA - 5/16-18 UNC Hex Socket Drive, Button Screw - Alloy Steel, Black Oxide Finish, Fully Threaded, 1/2" Length Under Head - Benchmark Tooling

Made in USA - 5/16-18 UNC Hex Socket Drive, Button Screw - Alloy Steel, Black Oxide Finish, Fully Threaded, 1/2" Length Under Head


Item #: 60585064
Brand: Made in USA
Exact Tooling IR#: 04

Features and Benefits

Button head types have cylindrical heads with curved tops and flat bearing surfaces. They slightly protrude out of the workpiece and are used for aesthetic purposes.
Hex socket drive types have a hex-shaped recess in the head and are driven with hex keys or hex socket bits. The driving surface is protected from external damage and provides six sides of contact surface for added torque.
Alloy steel is the strongest of all steel types. It has high tensile strength and offers excellent resistance to wear, fatigue and galling.
Product Specifications
System of Measurement Inch
Head Type Button
Drive Type Hex Socket
Thread Size (Inch) 5/16-18
Length Measurement Type Length Under Head
Length (Inch) 1/2
Material Alloy Steel
Finish/Coating Black Oxide
Full or Partial Threading Fully Threaded
Thread Standard UNC
Fastener Standard ASME B18.3; ASTM F835
Hex Key Size (Inch) 3/16
Hex Key Size (Decimal Inch) 0.1875

$30.14

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Made in USA - 5/16-18 UNC Hex Socket Drive, Button Screw - Alloy Steel, Black Oxide Finish, Fully Threaded, 1/2" Length Under Head - Benchmark Tooling

Made in USA - 5/16-18 UNC Hex Socket Drive, Button Screw - Alloy Steel, Black Oxide Finish, Fully Threaded, 1/2" Length Under Head


Item #: 65366825
Brand: Made in USA
Exact Tooling IR#: 04

Features and Benefits

Button head types have cylindrical heads with curved tops and flat bearing surfaces. They slightly protrude out of the workpiece and are used for aesthetic purposes.
Hex socket drive types have a hex-shaped recess in the head and are driven with hex keys or hex socket bits. The driving surface is protected from external damage and provides six sides of contact surface for added torque.
Alloy steel is the strongest of all steel types. It has high tensile strength and offers excellent resistance to wear, fatigue and galling.
Product Specifications
System of Measurement Inch
Head Type Button
Drive Type Hex Socket
Thread Size (Inch) 5/16-18
Length Measurement Type Length Under Head
Length (Inch) 1/2
Material Alloy Steel
Finish/Coating Black Oxide
Full or Partial Threading Fully Threaded
Thread Standard UNC
Fastener Standard ASTM F835
Hex Key Size (Inch) 3/16

$39.80

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Use Code: 2%OFF

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Made in USA - 5/16-18 UNC Hex Socket Drive, Button Screw - Alloy Steel, Black Oxide Finish, Fully Threaded, 2" Length Under Head - Benchmark Tooling

Made in USA - 5/16-18 UNC Hex Socket Drive, Button Screw - Alloy Steel, Black Oxide Finish, Fully Threaded, 2" Length Under Head


Item #: 65367013
Brand: Made in USA
Exact Tooling IR#: 04

Features and Benefits

Button head types have cylindrical heads with curved tops and flat bearing surfaces. They slightly protrude out of the workpiece and are used for aesthetic purposes.
Hex socket drive types have a hex-shaped recess in the head and are driven with hex keys or hex socket bits. The driving surface is protected from external damage and provides six sides of contact surface for added torque.
Alloy steel is the strongest of all steel types. It has high tensile strength and offers excellent resistance to wear, fatigue and galling.
Product Specifications
System of Measurement Inch
Head Type Button
Drive Type Hex Socket
Thread Size (Inch) 5/16-18
Length Measurement Type Length Under Head
Length (Inch) 2
Material Alloy Steel
Finish/Coating Black Oxide
Full or Partial Threading Fully Threaded
Thread Standard UNC
Fastener Standard ASTM F835
Hex Key Size (Inch) 3/16

$131.20

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Made in USA - 5/16-18 UNC Hex Socket Drive, Button Screw - Alloy Steel, Black Oxide Finish, Fully Threaded, 3/4" Length Under Head - Benchmark Tooling

Made in USA - 5/16-18 UNC Hex Socket Drive, Button Screw - Alloy Steel, Black Oxide Finish, Fully Threaded, 3/4" Length Under Head


Item #: 65366841
Brand: Made in USA
Exact Tooling IR#: 04

Features and Benefits

Button head types have cylindrical heads with curved tops and flat bearing surfaces. They slightly protrude out of the workpiece and are used for aesthetic purposes.
Hex socket drive types have a hex-shaped recess in the head and are driven with hex keys or hex socket bits. The driving surface is protected from external damage and provides six sides of contact surface for added torque.
Alloy steel is the strongest of all steel types. It has high tensile strength and offers excellent resistance to wear, fatigue and galling.
Product Specifications
System of Measurement Inch
Head Type Button
Drive Type Hex Socket
Thread Size (Inch) 5/16-18
Length Measurement Type Length Under Head
Length (Inch) 3/4
Material Alloy Steel
Finish/Coating Black Oxide
Full or Partial Threading Fully Threaded
Thread Standard UNC
Fastener Standard ASTM F835
Hex Key Size (Inch) 3/16

$45.73

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Use Code: 2%OFF

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Made in USA - 5/16-18 UNC Hex Socket Drive, Button Screw - Alloy Steel, Black Oxide Finish, Fully Threaded, 3/4" Length Under Head - Benchmark Tooling

Made in USA - 5/16-18 UNC Hex Socket Drive, Button Screw - Alloy Steel, Black Oxide Finish, Fully Threaded, 3/4" Length Under Head


Item #: 60585080
Brand: Made in USA
Exact Tooling IR#: 04

Features and Benefits

Button head types have cylindrical heads with curved tops and flat bearing surfaces. They slightly protrude out of the workpiece and are used for aesthetic purposes.
Hex socket drive types have a hex-shaped recess in the head and are driven with hex keys or hex socket bits. The driving surface is protected from external damage and provides six sides of contact surface for added torque.
Alloy steel is the strongest of all steel types. It has high tensile strength and offers excellent resistance to wear, fatigue and galling.
Product Specifications
System of Measurement Inch
Head Type Button
Drive Type Hex Socket
Thread Size (Inch) 5/16-18
Length Measurement Type Length Under Head
Length (Inch) 3/4
Material Alloy Steel
Finish/Coating Black Oxide
Full or Partial Threading Fully Threaded
Thread Standard UNC
Fastener Standard ASME B18.3; ASTM F835
Hex Key Size (Inch) 3/16
Hex Key Size (Decimal Inch) 0.1875

$40.19

2% Off All Online Orders
Use Code: 2%OFF

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Made in USA - 5/16-18 UNC Hex Socket Drive, Button Screw - Alloy Steel, Black Oxide Finish, Fully Threaded, 3/4" Length Under Head - Benchmark Tooling

Made in USA - 5/16-18 UNC Hex Socket Drive, Button Screw - Alloy Steel, Black Oxide Finish, Fully Threaded, 3/4" Length Under Head


Item #: 70680624
Brand: Made in USA
Exact Tooling IR#: 04

Features and Benefits

Button head types have cylindrical heads with curved tops and flat bearing surfaces. They slightly protrude out of the workpiece and are used for aesthetic purposes.
Hex socket drive types have a hex-shaped recess in the head and are driven with hex keys or hex socket bits. The driving surface is protected from external damage and provides six sides of contact surface for added torque.
Alloy steel is the strongest of all steel types. It has high tensile strength and offers excellent resistance to wear, fatigue and galling.
Product Specifications
System of Measurement Inch
Head Type Button
Drive Type Hex Socket
Thread Size (Inch) 5/16-18
Length Measurement Type Length Under Head
Length (Inch) 3/4
Material Alloy Steel
Finish/Coating Black Oxide
Full or Partial Threading Fully Threaded
Thread Standard UNC
Fastener Standard ASME B18.3; ASTM F835
Hex Key Size (Inch) 3/16
Hex Key Size (Decimal Inch) 0.1875

$20.76

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Made in USA - 5/16-18 UNC Hex Socket Drive, Button Screw - Alloy Steel, Black Oxide Finish, Fully Threaded, 3/8" Length Under Head - Benchmark Tooling

Made in USA - 5/16-18 UNC Hex Socket Drive, Button Screw - Alloy Steel, Black Oxide Finish, Fully Threaded, 3/8" Length Under Head


Item #: 65366817
Brand: Made in USA
Exact Tooling IR#: 04

Features and Benefits

Button head types have cylindrical heads with curved tops and flat bearing surfaces. They slightly protrude out of the workpiece and are used for aesthetic purposes.
Hex socket drive types have a hex-shaped recess in the head and are driven with hex keys or hex socket bits. The driving surface is protected from external damage and provides six sides of contact surface for added torque.
Alloy steel is the strongest of all steel types. It has high tensile strength and offers excellent resistance to wear, fatigue and galling.
Product Specifications
System of Measurement Inch
Head Type Button
Drive Type Hex Socket
Thread Size (Inch) 5/16-18
Length Measurement Type Length Under Head
Length (Inch) 3/8
Material Alloy Steel
Finish/Coating Black Oxide
Full or Partial Threading Fully Threaded
Thread Standard UNC
Fastener Standard ASTM F835
Hex Key Size (Inch) 3/16

$39.80

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Use Code: 2%OFF

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Made in USA - 5/16-18 UNC Hex Socket Drive, Button Screw - Alloy Steel, Black Oxide Finish, Fully Threaded, 3/8" Length Under Head - Benchmark Tooling

Made in USA - 5/16-18 UNC Hex Socket Drive, Button Screw - Alloy Steel, Black Oxide Finish, Fully Threaded, 3/8" Length Under Head


Item #: 60585056
Brand: Made in USA
Exact Tooling IR#: 04

Features and Benefits

Button head types have cylindrical heads with curved tops and flat bearing surfaces. They slightly protrude out of the workpiece and are used for aesthetic purposes.
Hex socket drive types have a hex-shaped recess in the head and are driven with hex keys or hex socket bits. The driving surface is protected from external damage and provides six sides of contact surface for added torque.
Alloy steel is the strongest of all steel types. It has high tensile strength and offers excellent resistance to wear, fatigue and galling.
Product Specifications
System of Measurement Inch
Head Type Button
Drive Type Hex Socket
Thread Size (Inch) 5/16-18
Length Measurement Type Length Under Head
Length (Inch) 3/8
Material Alloy Steel
Finish/Coating Black Oxide
Full or Partial Threading Fully Threaded
Thread Standard UNC
Fastener Standard ASME B18.3; ASTM F835
Hex Key Size (Inch) 3/16
Hex Key Size (Decimal Inch) 0.1875

$29.82

2% Off All Online Orders
Use Code: 2%OFF

Best Price Guarantee - Email Us A Better Published Price and We'll Beat It

Made in USA - 5/16-18 UNC Hex Socket Drive, Button Screw - Alloy Steel, Black Oxide Finish, Fully Threaded, 3/8" Length Under Head - Benchmark Tooling

Made in USA - 5/16-18 UNC Hex Socket Drive, Button Screw - Alloy Steel, Black Oxide Finish, Fully Threaded, 3/8" Length Under Head


Item #: 70680616
Brand: Made in USA
Exact Tooling IR#: 04

Features and Benefits

Button head types have cylindrical heads with curved tops and flat bearing surfaces. They slightly protrude out of the workpiece and are used for aesthetic purposes.
Hex socket drive types have a hex-shaped recess in the head and are driven with hex keys or hex socket bits. The driving surface is protected from external damage and provides six sides of contact surface for added torque.
Alloy steel is the strongest of all steel types. It has high tensile strength and offers excellent resistance to wear, fatigue and galling.
Product Specifications
System of Measurement Inch
Head Type Button
Drive Type Hex Socket
Thread Size (Inch) 5/16-18
Length Measurement Type Length Under Head
Length (Inch) 3/8
Material Alloy Steel
Finish/Coating Black Oxide
Full or Partial Threading Fully Threaded
Thread Standard UNC
Fastener Standard ASME B18.3; ASTM F835
Hex Key Size (Inch) 3/16
Hex Key Size (Decimal Inch) 0.1875

$20.22

2% Off All Online Orders
Use Code: 2%OFF

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Made in USA - 5/16-18 UNC Hex Socket Drive, Button Screw - Alloy Steel, Black Oxide Finish, Fully Threaded, 5/8" Length Under Head - Benchmark Tooling

Made in USA - 5/16-18 UNC Hex Socket Drive, Button Screw - Alloy Steel, Black Oxide Finish, Fully Threaded, 5/8" Length Under Head


Item #: 65366833
Brand: Made in USA
Exact Tooling IR#: 04

Features and Benefits

Button head types have cylindrical heads with curved tops and flat bearing surfaces. They slightly protrude out of the workpiece and are used for aesthetic purposes.
Hex socket drive types have a hex-shaped recess in the head and are driven with hex keys or hex socket bits. The driving surface is protected from external damage and provides six sides of contact surface for added torque.
Alloy steel is the strongest of all steel types. It has high tensile strength and offers excellent resistance to wear, fatigue and galling.
Product Specifications
System of Measurement Inch
Head Type Button
Drive Type Hex Socket
Thread Size (Inch) 5/16-18
Length Measurement Type Length Under Head
Length (Inch) 5/8
Material Alloy Steel
Finish/Coating Black Oxide
Full or Partial Threading Fully Threaded
Thread Standard UNC
Fastener Standard ASTM F835
Hex Key Size (Inch) 3/16

$43.59

2% Off All Online Orders
Use Code: 2%OFF

Best Price Guarantee - Email Us A Better Published Price and We'll Beat It

Made in USA - 5/16-18 UNC Hex Socket Drive, Button Screw - Alloy Steel, Black Oxide Finish, Fully Threaded, 5/8" Length Under Head - Benchmark Tooling

Made in USA - 5/16-18 UNC Hex Socket Drive, Button Screw - Alloy Steel, Black Oxide Finish, Fully Threaded, 5/8" Length Under Head


Item #: 70680632
Brand: Made in USA
Exact Tooling IR#: 04

Features and Benefits

Button head types have cylindrical heads with curved tops and flat bearing surfaces. They slightly protrude out of the workpiece and are used for aesthetic purposes.
Hex socket drive types have a hex-shaped recess in the head and are driven with hex keys or hex socket bits. The driving surface is protected from external damage and provides six sides of contact surface for added torque.
Alloy steel is the strongest of all steel types. It has high tensile strength and offers excellent resistance to wear, fatigue and galling.
Product Specifications
System of Measurement Inch
Head Type Button
Drive Type Hex Socket
Thread Size (Inch) 5/16-18
Length Measurement Type Length Under Head
Length (Inch) 5/8
Material Alloy Steel
Finish/Coating Black Oxide
Full or Partial Threading Fully Threaded
Thread Standard UNC
Fastener Standard ASME B18.3; ASTM F835
Hex Key Size (Inch) 3/16
Hex Key Size (Decimal Inch) 0.1875

$20.62

2% Off All Online Orders
Use Code: 2%OFF

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Made in USA - 5/16-18 UNC Hex Socket Drive, Button Screw - Alloy Steel, Black Oxide Finish, Fully Threaded, 5/8" Length Under Head - Benchmark Tooling

Made in USA - 5/16-18 UNC Hex Socket Drive, Button Screw - Alloy Steel, Black Oxide Finish, Fully Threaded, 5/8" Length Under Head


Item #: 60585072
Brand: Made in USA
Exact Tooling IR#: 04

Features and Benefits

Button head types have cylindrical heads with curved tops and flat bearing surfaces. They slightly protrude out of the workpiece and are used for aesthetic purposes.
Hex socket drive types have a hex-shaped recess in the head and are driven with hex keys or hex socket bits. The driving surface is protected from external damage and provides six sides of contact surface for added torque.
Alloy steel is the strongest of all steel types. It has high tensile strength and offers excellent resistance to wear, fatigue and galling.
Product Specifications
System of Measurement Inch
Head Type Button
Drive Type Hex Socket
Thread Size (Inch) 5/16-18
Length Measurement Type Length Under Head
Length (Inch) 5/8
Material Alloy Steel
Finish/Coating Black Oxide
Full or Partial Threading Fully Threaded
Thread Standard UNC
Fastener Standard ASME B18.3; ASTM F835
Hex Key Size (Inch) 3/16
Hex Key Size (Decimal Inch) 0.1875

$30.05

2% Off All Online Orders
Use Code: 2%OFF

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Made in USA - 5/16-18 UNC Hex Socket Drive, Button Screw - Alloy Steel, Black Oxide Finish, Fully Threaded, 7/8" Length Under Head - Benchmark Tooling

Made in USA - 5/16-18 UNC Hex Socket Drive, Button Screw - Alloy Steel, Black Oxide Finish, Fully Threaded, 7/8" Length Under Head


Item #: 60585098
Brand: Made in USA
Exact Tooling IR#: 04

Features and Benefits

Button head types have cylindrical heads with curved tops and flat bearing surfaces. They slightly protrude out of the workpiece and are used for aesthetic purposes.
Hex socket drive types have a hex-shaped recess in the head and are driven with hex keys or hex socket bits. The driving surface is protected from external damage and provides six sides of contact surface for added torque.
Alloy steel is the strongest of all steel types. It has high tensile strength and offers excellent resistance to wear, fatigue and galling.
Product Specifications
System of Measurement Inch
Head Type Button
Drive Type Hex Socket
Thread Size (Inch) 5/16-18
Length Measurement Type Length Under Head
Length (Inch) 7/8
Material Alloy Steel
Finish/Coating Black Oxide
Full or Partial Threading Fully Threaded
Thread Standard UNC
Fastener Standard ASME B18.3; ASTM F835
Hex Key Size (Inch) 3/16
Hex Key Size (Decimal Inch) 0.1875

$33.04

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Made in USA - 5/16-18 UNC Hex Socket Drive, Button Screw - Grade 18-8 Stainless Steel, 1/2" Length Under Head - Benchmark Tooling

Made in USA - 5/16-18 UNC Hex Socket Drive, Button Screw - Grade 18-8 Stainless Steel, 1/2" Length Under Head


Item #: 70931613
Brand: Made in USA
Exact Tooling IR#: 04

Features and Benefits

Button head types have cylindrical heads with curved tops and flat bearing surfaces. They slightly protrude out of the workpiece and are used for aesthetic purposes.
Hex socket drive types have a hex-shaped recess in the head and are driven with hex keys or hex socket bits. The driving surface is protected from external damage and provides six sides of contact surface for added torque.
Stainless steel is a strong, corrosion-resistant alloy with excellent resistance to heat. It is used in high-stress, outdoor and corrosive applications.
Product Specifications
System of Measurement Inch
Head Type Button
Drive Type Hex Socket
Thread Size (Inch) 5/16-18
Length Measurement Type Length Under Head
Length (Inch) 1/2
Material Stainless Steel
Thread Standard UNC
Hex Key Size (Inch) 3/16
Material Grade 18-8

$30.99

2% Off All Online Orders
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