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Made in USA - 1/4-28 UNF, 5-1/2" Length Under Head Hex Head Cap Screw - Partially Threaded, Grade 8 Alloy Steel, Zinc Yellow Dichromate Finish, 7/16" Hex


Item #: 65159097
Brand: Made in USA
Exact Tooling IR#: 04

Features and Benefits

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
Thread Size (Inch) 1/4-28
Length (Inch) 5-1/2
Material Grade Grade 8
Material Alloy Steel
Finish/Coating Zinc Yellow Dichromate
Hex Size (Inch) 7/16
Fastener Standard ASME B18.2.1; SAE J429
Thread Standard UNF
Full or Partial Threading Partially Threaded

$327.05

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Made in USA - 1/4-28 UNF, 5/16" Length Under Head, Cup Point Set Screw - Grade 8 Alloy Steel, 1/8" Key


Item #: 60540044
Brand: Made in USA
Exact Tooling IR#: 04

Features and Benefits

Cup points have a cup-shaped indentation at the end of the set screw s tapered point. The internal cup grips surfaces, resists deformation and reduces stress. Cup points work well with soft materials that cannot take high torque.
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
Point Type Cup
Thread Size (Inch) 1/4-28
Length (Inch) 5/16
Drive Type Hex Socket
Material Grade 8
Material Alloy Steel
Thread Standard UNF
Length Measurement Type Length Under Head
Fastener Standard ANSI B2.2; ANSI B18.3; ANSI B18.8.2; ASTM A574; MS16555
Hex Key Size (Inch) 1/8

$24.78

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Made in USA - 1/4-28 UNF, 5/16" OAL, Cup Point Set Screw - Grade 303 Stainless Steel, 1/8" Key


Item #: 93037216
Brand: Made in USA
Exact Tooling IR#: 04

Features and Benefits

Cup points have a cup-shaped indentation at the end of the set screw s tapered point. The internal cup grips surfaces, resists deformation and reduces stress. Cup points work well with soft materials that cannot take high torque.
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
Point Type Cup
Thread Size (Inch) 1/4-28
Length (Inch) 5/16
Drive Type Hex Socket
Material Grade 303
Material Stainless Steel
Finish/Coating Passivated
Thread Standard UNF
Length Measurement Type Overall Length
Fastener Standard MIL-FF-S-200
Hex Key Size (Inch) 1/8

$7.43

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Made in USA - 1/4-28 UNF, 5/8" Length Under Head Hex Head Cap Screw - Fully Threaded, Grade 5 Steel, Zinc-Plated Finish, 1/2" Hex


Item #: 87916011
Brand: Made in USA
Exact Tooling IR#: 04

Features and Benefits

Steel is strong and durable but less corrosion resistant than stainless steel. To improve its resistance to corrosion, it may receive additional finishes and coatings.
Product Specifications
System of Measurement Inch
Thread Size (Inch) 1/4-28
Length (Inch) 5/8
Material Grade Grade 5
Material Steel
Finish/Coating Zinc-Plated
Hex Size (Inch) 1/2
Fastener Standard ASME B18.2.1
Thread Standard UNF
Full or Partial Threading Fully Threaded

$19.76

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Made in USA - 1/4-28 UNF, 5/8" Length Under Head Hex Head Cap Screw - Fully Threaded, Grade 8 Alloy Steel, Zinc Yellow Dichromate Finish, 1/2" Hex


Item #: 85725067
Brand: Made in USA
Exact Tooling IR#: 04

Features and Benefits

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
Thread Size (Inch) 1/4-28
Length (Inch) 5/8
Material Grade Grade 8
Material Alloy Steel
Finish/Coating Zinc Yellow Dichromate
Hex Size (Inch) 1/2
Fastener Standard ASME B18.2.1
Thread Standard UNF
Full or Partial Threading Fully Threaded

$33.84

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Made in USA - 1/4-28 UNF, 5/8" Length Under Head Hex Head Cap Screw - Grade 18-8 Stainless Steel, Uncoated, 7/16" Hex


Item #: 82332990
Brand: Made in USA
Exact Tooling IR#: 04

Features and Benefits

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
Thread Size (Inch) 1/4-28
Length (Inch) 5/8
Material Grade 18-8
Material Stainless Steel
Finish/Coating Uncoated
Hex Size (Inch) 7/16
Fastener Standard MS 35308-305D
Thread Standard UNF

$267.78

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Made in USA - 1/4-28 UNF, 5/8" Length Under Head, Cup Point Set Screw - Grade 8 Alloy Steel, 1/8" Key


Item #: 60540077
Brand: Made in USA
Exact Tooling IR#: 04

Features and Benefits

Cup points have a cup-shaped indentation at the end of the set screw s tapered point. The internal cup grips surfaces, resists deformation and reduces stress. Cup points work well with soft materials that cannot take high torque.
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
Point Type Cup
Thread Size (Inch) 1/4-28
Length (Inch) 5/8
Drive Type Hex Socket
Material Grade 8
Material Alloy Steel
Thread Standard UNF
Length Measurement Type Length Under Head
Fastener Standard ANSI B2.2; ANSI B18.3; ANSI B18.8.2; ASTM A574; MS16555
Hex Key Size (Inch) 1/8

$37.17

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Made in USA - 1/4-28 UNF, 5/8" OAL Phillips Drive Machine Screw - Flat Head, Grade 18-8 Stainless Steel, Passivated Finish, Without Washer


Item #: 57232381
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.
Phillips drive types have a cross-shaped slot and are used with Phillips drivers. To prevent damage to the fastener head and fastened surface, the drive design forces the driver to cam out when the fastener is sufficiently tightened.
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
Thread Size (Inch) 1/4-28
Head Type Flat
Drive Type Phillips
Length (Inch) 5/8
Material Stainless Steel
Material Grade 18-8
Finish/Coating Passivated
Washer Type Without Washer
Length Measurement Type Overall Length
Fastener Standard MS24693
Thread Standard UNF

$107.16

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Made in USA - 1/4-28 UNF, 6" Length Under Head Hex Head Cap Screw - Partially Threaded, Grade 5 Steel, Zinc-Plated Finish, 7/16" Hex


Item #: 67427807
Brand: Made in USA
Exact Tooling IR#: 04

Features and Benefits

Steel is strong and durable but less corrosion resistant than stainless steel. To improve its resistance to corrosion, it may receive additional finishes and coatings.
Product Specifications
System of Measurement Inch
Thread Size (Inch) 1/4-28
Length (Inch) 6
Material Grade Grade 5
Material Steel
Finish/Coating Zinc-Plated
Hex Size (Inch) 7/16
Fastener Standard ASME B18.2.1
Thread Standard UNF
Full or Partial Threading Partially Threaded

$120.99

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Made in USA - 1/4-28 UNF, 6" Length Under Head Hex Head Cap Screw - Partially Threaded, Grade 8 Alloy Steel, Zinc Yellow Dichromate Finish, 7/16" Hex


Item #: 65159105
Brand: Made in USA
Exact Tooling IR#: 04

Features and Benefits

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
Thread Size (Inch) 1/4-28
Length (Inch) 6
Material Grade Grade 8
Material Alloy Steel
Finish/Coating Zinc Yellow Dichromate
Hex Size (Inch) 7/16
Fastener Standard ASME B18.2.1; SAE J429
Thread Standard UNF
Full or Partial Threading Partially Threaded

$479.82

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Made in USA - 1/4-28 UNF, 7/16" OAL Phillips Drive Machine Screw - Flat Head, Grade 18-8 Stainless Steel, Passivated Finish, Without Washer


Item #: 57232407
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.
Phillips drive types have a cross-shaped slot and are used with Phillips drivers. To prevent damage to the fastener head and fastened surface, the drive design forces the driver to cam out when the fastener is sufficiently tightened.
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
Thread Size (Inch) 1/4-28
Head Type Flat
Drive Type Phillips
Length (Inch) 7/16
Material Stainless Steel
Material Grade 18-8
Finish/Coating Passivated
Washer Type Without Washer
Length Measurement Type Overall Length
Fastener Standard MS24693
Thread Standard UNF

$68.87

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Made in USA - 1/4-28 UNF, 7/8" Length Under Head Hex Head Cap Screw - Fully Threaded, Grade 5 Steel, Zinc-Plated Finish, 1/2" Hex


Item #: 87916037
Brand: Made in USA
Exact Tooling IR#: 04

Features and Benefits

Steel is strong and durable but less corrosion resistant than stainless steel. To improve its resistance to corrosion, it may receive additional finishes and coatings.
Product Specifications
System of Measurement Inch
Thread Size (Inch) 1/4-28
Length (Inch) 7/8
Material Grade Grade 5
Material Steel
Finish/Coating Zinc-Plated
Hex Size (Inch) 1/2
Fastener Standard ASME B18.2.1
Thread Standard UNF
Full or Partial Threading Fully Threaded

$32.74

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Made in USA - 1/4-28 UNF, 7/8" Length Under Head Hex Head Cap Screw - Fully Threaded, Grade 8 Alloy Steel, Zinc Yellow Dichromate Finish, 1/2" Hex


Item #: 85725083
Brand: Made in USA
Exact Tooling IR#: 04

Features and Benefits

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
Thread Size (Inch) 1/4-28
Length (Inch) 7/8
Material Grade Grade 8
Material Alloy Steel
Finish/Coating Zinc Yellow Dichromate
Hex Size (Inch) 1/2
Fastener Standard ASME B18.2.1
Thread Standard UNF
Full or Partial Threading Fully Threaded

$36.16

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Made in USA - 1/4-28 UNF, 7/8" Length Under Head Hex Head Cap Screw - Grade 18-8 Stainless Steel, Uncoated, 7/16" Hex


Item #: 82333014
Brand: Made in USA
Exact Tooling IR#: 04

Features and Benefits

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
Thread Size (Inch) 1/4-28
Length (Inch) 7/8
Material Grade 18-8
Material Stainless Steel
Finish/Coating Uncoated
Hex Size (Inch) 7/16
Fastener Standard MS 35308-307D
Thread Standard UNF

$286.49

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Made in USA - 1/4-28 UNF, 7/8" Length Under Head Phillips Drive Machine Screw - Pan Head, Grade 18-8 Stainless Steel, Black Oxide Finish, Without Washer


Item #: 57232019
Brand: Made in USA
Exact Tooling IR#: 04

Features and Benefits

Pan head types have cylindrical heads with rounded edges and flat bearing surfaces. Their low head height and large diameter provide increased driving power.
Phillips drive types have a cross-shaped slot and are used with Phillips drivers. To prevent damage to the fastener head and fastened surface, the drive design forces the driver to cam out when the fastener is sufficiently tightened.
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
Thread Size (Inch) 1/4-28
Head Type Pan
Drive Type Phillips
Length (Inch) 7/8
Material Stainless Steel
Material Grade 18-8
Finish/Coating Black Oxide
Washer Type Without Washer
Length Measurement Type Length Under Head
Fastener Standard MS51958
Thread Standard UNF

$81.71

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Made in USA - 1/4-28 UNF, 7/8" Length Under Head Phillips Drive Machine Screw - Pan Head, Grade 18-8 Stainless Steel, Black Oxide Finish, Without Washer


Item #: 57232027
Brand: Made in USA
Exact Tooling IR#: 04

Features and Benefits

Pan head types have cylindrical heads with rounded edges and flat bearing surfaces. Their low head height and large diameter provide increased driving power.
Phillips drive types have a cross-shaped slot and are used with Phillips drivers. To prevent damage to the fastener head and fastened surface, the drive design forces the driver to cam out when the fastener is sufficiently tightened.
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
Thread Size (Inch) 1/4-28
Head Type Pan
Drive Type Phillips
Length (Inch) 7/8
Material Stainless Steel
Material Grade 18-8
Finish/Coating Black Oxide
Washer Type Without Washer
Length Measurement Type Length Under Head
Fastener Standard MS51958
Thread Standard UNF

$249.94

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Made in USA - 1/4-28 UNF, 7/8" OAL Phillips Drive Machine Screw - Flat Head, Grade 18-8 Stainless Steel, Passivated Finish, Without Washer


Item #: 57232365
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.
Phillips drive types have a cross-shaped slot and are used with Phillips drivers. To prevent damage to the fastener head and fastened surface, the drive design forces the driver to cam out when the fastener is sufficiently tightened.
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
Thread Size (Inch) 1/4-28
Head Type Flat
Drive Type Phillips
Length (Inch) 7/8
Material Stainless Steel
Material Grade 18-8
Finish/Coating Passivated
Washer Type Without Washer
Length Measurement Type Overall Length
Fastener Standard MS24693
Thread Standard UNF

$125.30

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Made in USA - 1/8" Shoulder Diam x 1/16" Shoulder Length, #4-40 UNC, Hex Socket Low Profile Precision Shoulder Screw - 18-8 Stainless Steel, Uncoated, 3/32" Head Height


Item #: 41449901
Brand: Made in USA
Exact Tooling IR#: 04

Features and Benefits

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
Type Low Profile Precision Shoulder Screw
System of Measurement Inch
Shoulder Diameter (Inch) 1/8
Thread Size #4-40
Shoulder Length (Inch) 0.0620
Drive Type Hex Socket
Material Grade 18-8
Material Stainless Steel
Finish/Coating Uncoated
Head Height (Inch) 3/32
Thread Standard UNC
Hex Key Size (Decimal Inch) 0.0780

$7.47

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Made in USA - 1/8" Shoulder Diam x 1/2" Shoulder Length, #4-40 UNC, Hex Socket Precision Shoulder Screw - 303, 18-8 Stainless Steel with Nylon Locking Patch, Uncoated, 1/8" Head Height x 1/4" Head Diam


Item #: 64475296
Brand: Made in USA
Exact Tooling IR#: 04

Features and Benefits

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.Nylon is a lightweight, nonconductive material used on threads to prevent loosening.
Product Specifications
Type Precision Shoulder Screw
System of Measurement Inch
Shoulder Diameter (Inch) 1/8
Shoulder Diameter (Decimal Inch) 0.1245
Thread Size #4-40
Shoulder Length (Inch) 1/2
Drive Type Hex Socket
Material Grade 303; 18-8
Material Stainless Steel with Nylon Locking Patch
Finish/Coating Uncoated
Head Height (Decimal Inch) 0.1250
Head Height (Inch) 1/8
Thread Standard UNC
Hex Key Size (Inch) 5/64
Head Diameter (Decimal Inch) 0.2500
Head Diameter (Inch) 1/4
Thread Depth (Inch) 5/32

$5.76

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Made in USA - 1/8" Shoulder Diam x 1/2" Shoulder Length, #4-40 UNC, Hex Socket Precision Shoulder Screw - 4140 Alloy Steel, Black Oxide Finish, 1/4" Head Diam


Item #: 87613758
Brand: Made in USA
Exact Tooling IR#: 04

Features and Benefits

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
Type Precision Shoulder Screw
System of Measurement Inch
Shoulder Diameter (mm) 3.18
Shoulder Diameter (Inch) 1/8
Shoulder Diameter (Decimal Inch) 0.1250
Thread Size #4-40
Shoulder Length (mm) 12.70
Shoulder Length (Inch) 1/2
Drive Type Hex Socket
Material Grade 4140
Material Alloy Steel
Finish/Coating Black Oxide
Head Height (Decimal Inch) 0.1250
Thread Standard UNC
Head Diameter (Decimal Inch) 0.2500

$7.81

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