Email: sales@benchmarktooling.com | Phone: (888) 988-8820
We ship from multiple warehouses throughout the USA
to get you what you need as fast as possible!
Millions of items in stock!
Fast online checkout - No account required
Cart 0
Cart 0

Products - (25001 Products)

Value Collection - #4-40 UNC Grade 2 Hex Lock Nut with Nylon Insert - 1/4" Width Across Flats, 1/8" High, Zinc-Plated Finish - Benchmark Tooling

Value Collection - #4-40 UNC Grade 2 Hex Lock Nut with Nylon Insert - 1/4" Width Across Flats, 1/8" High, Zinc-Plated Finish


Item #: 52592680
Brand: Value Collection
Exact Tooling IR#: 04

Features and Benefits

Hex lock nuts are the most common type of lock nut. They have six uniform sides that create a flat bearing surface.
Product Specifications
System of Measurement Inch
Type Hex Lock Nut
Material Steel
Thread Size #4-40
Height (Inch) 1/8
Height (Decimal Inch) 0.094 to 0.124
Material Grade Grade 2
Finish/Coating Zinc-Plated
Thread Direction Right Hand
Locking Style Insert
Insert Material Nylon
Width Across Flats (Inch) 1/4
Width Across Flats (Decimal Inch) 0.243 to 0.251
Thread Standard UNC
Military Specification Does Not Meet Military Specifications

$6.48

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

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

Value Collection - #4-40 UNC Grade 2 Hex Lock Nut with Nylon Insert - 1/4" Width Across Flats, 5/32" High, Zinc-Plated Finish - Benchmark Tooling

Value Collection - #4-40 UNC Grade 2 Hex Lock Nut with Nylon Insert - 1/4" Width Across Flats, 5/32" High, Zinc-Plated Finish


Item #: 70982889
Brand: Value Collection
Exact Tooling IR#: 04

Features and Benefits

Hex lock nuts are the most common type of lock nut. They have six uniform sides that create a flat bearing surface.
Product Specifications
System of Measurement Inch
Type Hex Lock Nut
Material Steel
Thread Size #4-40
Height (Inch) 5/32
Material Grade Grade 2
Finish/Coating Zinc-Plated
Thread Direction Right Hand
Locking Style Insert
Insert Material Nylon
Width Across Flats (Inch) 1/4
Thread Standard UNC
Military Specification Does Not Meet Military Specifications

$6.55

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

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

Value Collection - #4-40 UNC Grade 2 Hex Lock Nut with Nylon Insert - 1/4" Width Across Flats, 5/32" High, Zinc-Plated Finish - Benchmark Tooling

Value Collection - #4-40 UNC Grade 2 Hex Lock Nut with Nylon Insert - 1/4" Width Across Flats, 5/32" High, Zinc-Plated Finish


Item #: 67485045
Brand: Value Collection
Exact Tooling IR#: 04

Features and Benefits

Hex lock nuts are the most common type of lock nut. They have six uniform sides that create a flat bearing surface.
Product Specifications
System of Measurement Inch
Type Hex Lock Nut
Material Steel
Thread Size #4-40
Height (Inch) 5/32
Material Grade Grade 2
Finish/Coating Zinc-Plated
Thread Direction Right Hand
Locking Style Insert
Insert Material Nylon
Width Across Flats (Inch) 1/4
Thread Standard UNC
Military Specification Does Not Meet Military Specifications

$6.57

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

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

Value Collection - #4-40 UNC Stainless Steel Right Hand Machine Screw Hex Nut - 1/4" Across Flats, 3/32" High, Uncoated - Benchmark Tooling

Value Collection - #4-40 UNC Stainless Steel Right Hand Machine Screw Hex Nut - 1/4" Across Flats, 3/32" High, Uncoated


Item #: 87925517
Brand: Value Collection
Exact Tooling IR#: 04

Features and Benefits

Machine screw hex nuts have flat tops and beveled corners. They are thinner than standard hex nuts and are used to secure machine screws.
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
Type Machine Screw Hex Nut
Material Stainless Steel
Thread Size #4-40
Thread Direction Right Hand
Material Grade 18-8
Finish/Coating Uncoated
Thread Standard UNC
Width Across Flats (Inch) 1/4
Width Across Flats (Decimal Inch) 0.2500
Height (Inch) 3/32
Military Specification Does Not Meet Military Specifications

$13.13

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

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

Value Collection - #4-40, 0.109" High, Uncoated, Stainless Steel Hex Nut with External Tooth Washer - 9/32" Washer Diam, 1/4" Width Across Flats, Grade 18-8 - Benchmark Tooling

Value Collection - #4-40, 0.109" High, Uncoated, Stainless Steel Hex Nut with External Tooth Washer - 9/32" Washer Diam, 1/4" Width Across Flats, Grade 18-8


Item #: 52592979
Brand: Value Collection
Exact Tooling IR#: 04

Features and Benefits

External tooth washers have serrations on the outside diameter that grip both the fastener and workpiece to lock into place.
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
Lock Washer Type External Tooth
System of Measurement Inch
Material Stainless Steel
Thread Size #4-40
Width Across Flats (Decimal Inch) 0.2500
Width Across Flats (Inch) 1/4
Height (Decimal Inch) 0.1090
Washer Diameter (Decimal Inch) 0.2813
Washer Diameter (Inch) 9/32
Material Grade 18-8
Finish/Coating Uncoated
Thread Standard UNC

$13.78

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

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

Value Collection - #4-40, Zinc Plated, Steel Hex Nut with Conical Washer - 5/16" Washer Diam, 7/32" Width Across Flats - Benchmark Tooling

Value Collection - #4-40, Zinc Plated, Steel Hex Nut with Conical Washer - 5/16" Washer Diam, 7/32" Width Across Flats


Item #: 02513216
Brand: Value Collection
Exact Tooling IR#: 04

Features and Benefits

Conical washers have a curved shape that creates a spring-like action. They are used in applications that require heavy loads.
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
Lock Washer Type Conical
System of Measurement Inch
Material Steel
Thread Size #4-40
Width Across Flats (Inch) 7/32
Washer Diameter (Inch) 5/16
Finish/Coating Zinc-Plated
Thread Standard UNC

$30.32

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

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

Value Collection - #4-40, Zinc Plated, Steel Hex Nut with External Tooth Washer - 9/32" Washer Diam, 1/4" Width Across Flats - Benchmark Tooling

Value Collection - #4-40, Zinc Plated, Steel Hex Nut with External Tooth Washer - 9/32" Washer Diam, 1/4" Width Across Flats


Item #: 67468082
Brand: Value Collection
Exact Tooling IR#: 04

Features and Benefits

External tooth washers have serrations on the outside diameter that grip both the fastener and workpiece to lock into place.
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
Lock Washer Type External Tooth
System of Measurement Inch
Material Steel
Thread Size #4-40
Width Across Flats (Inch) 1/4
Washer Diameter (Inch) 9/32
Finish/Coating Zinc-Plated
Thread Standard UNC

$9.41

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

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

Value Collection - #4-48 UN Steel Right Hand Machine Screw Hex Nut - 1/4" Across Flats, 0.098" High, Zinc-Plated Finish, 2B Class of Fit - Benchmark Tooling

Value Collection - #4-48 UN Steel Right Hand Machine Screw Hex Nut - 1/4" Across Flats, 0.098" High, Zinc-Plated Finish, 2B Class of Fit


Item #: 67467803
Brand: Value Collection
Exact Tooling IR#: 04

Features and Benefits

Machine screw hex nuts have flat tops and beveled corners. They are thinner than standard hex nuts and are used to secure machine screws.
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
Type Machine Screw Hex Nut
Material Steel
Thread Size #4-48
Thread Direction Right Hand
Material Grade Non-Graded
Finish/Coating Zinc-Plated
Thread Standard UN
Width Across Flats (Inch) 1/4
Width Across Flats (Decimal Inch) 0.2500
Height (Decimal Inch) 0.0980
Military Specification Does Not Meet Military Specifications
Thread Fit Class 2B
Fastener Standard ANSI/ASME B18.6.3

$9.14

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

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

Value Collection - #5-40 UNC 18-8 Hex Lock Nut with Nylon Insert - 1/4" Width Across Flats, Uncoated - Benchmark Tooling

Value Collection - #5-40 UNC 18-8 Hex Lock Nut with Nylon Insert - 1/4" Width Across Flats, Uncoated


Item #: 52592243
Brand: Value Collection
Exact Tooling IR#: 04

Features and Benefits

Hex lock nuts are the most common type of lock nut. They have six uniform sides that create a flat bearing surface.
Product Specifications
System of Measurement Inch
Type Hex Lock Nut
Material Stainless Steel
Thread Size #5-40
Height (Decimal Inch) 0.1430
Material Grade 18-8
Finish/Coating Uncoated
Thread Direction Right Hand
Locking Style Insert
Insert Material Nylon
Width Across Flats (Inch) 1/4
Width Across Flats (Decimal Inch) 0.243 to 0.251
Thread Standard UNC
Military Specification Does Not Meet Military Specifications

$16.13

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

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

Value Collection - #5-40 UNC Grade 2 Hex Lock Nut with Nylon Insert - 1/4" Width Across Flats, 1/8" High, Zinc-Plated Finish - Benchmark Tooling

Value Collection - #5-40 UNC Grade 2 Hex Lock Nut with Nylon Insert - 1/4" Width Across Flats, 1/8" High, Zinc-Plated Finish


Item #: 52592698
Brand: Value Collection
Exact Tooling IR#: 04

Features and Benefits

Hex lock nuts are the most common type of lock nut. They have six uniform sides that create a flat bearing surface.
Product Specifications
System of Measurement Inch
Type Hex Lock Nut
Material Steel
Thread Size #5-40
Height (Inch) 1/8
Height (Decimal Inch) 0.094 to 0.124
Material Grade Grade 2
Finish/Coating Zinc-Plated
Thread Direction Right Hand
Locking Style Insert
Insert Material Nylon
Width Across Flats (Inch) 1/4
Width Across Flats (Decimal Inch) 0.243 to 0.251
Thread Standard UNC
Military Specification Does Not Meet Military Specifications

$16.50

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

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

Value Collection - #5-40 UNC Grade 2 Hex Lock Nut with Nylon Insert - 1/4" Width Across Flats, 5/32" High, Zinc-Plated Finish - Benchmark Tooling

Value Collection - #5-40 UNC Grade 2 Hex Lock Nut with Nylon Insert - 1/4" Width Across Flats, 5/32" High, Zinc-Plated Finish


Item #: 67485086
Brand: Value Collection
Exact Tooling IR#: 04

Features and Benefits

Hex lock nuts are the most common type of lock nut. They have six uniform sides that create a flat bearing surface.
Product Specifications
System of Measurement Inch
Type Hex Lock Nut
Material Steel
Thread Size #5-40
Height (Inch) 5/32
Material Grade Grade 2
Finish/Coating Zinc-Plated
Thread Direction Right Hand
Locking Style Insert
Insert Material Nylon
Width Across Flats (Inch) 1/4
Thread Standard UNC
Military Specification Does Not Meet Military Specifications

$5.41

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

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

Value Collection - #5-40, Zinc Plated, Steel Hex Nut with External Tooth Washer - 1/4" Washer Diam, 1/4" Width Across Flats - Benchmark Tooling

Value Collection - #5-40, Zinc Plated, Steel Hex Nut with External Tooth Washer - 1/4" Washer Diam, 1/4" Width Across Flats


Item #: 02513182
Brand: Value Collection
Exact Tooling IR#: 04

Features and Benefits

External tooth washers have serrations on the outside diameter that grip both the fastener and workpiece to lock into place.
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
Lock Washer Type External Tooth
System of Measurement Inch
Material Steel
Thread Size #5-40
Width Across Flats (Inch) 1/4
Washer Diameter (Inch) 1/4
Finish/Coating Zinc-Plated
Thread Standard UNC

$5.52

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

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

Value Collection - #6 Screw, 0.025 to 1/8" Thick, Spring Steel Standard U Nut - 3/8" Center Edge, Black Phosphate Finish - Benchmark Tooling

Value Collection - #6 Screw, 0.025 to 1/8" Thick, Spring Steel Standard U Nut - 3/8" Center Edge, Black Phosphate Finish


Item #: 67744045
Brand: Value Collection
Exact Tooling IR#: 04

Features and Benefits

U nuts clip onto the edge of sheet metal. They are shaped like the letter U and are used in panel assembly.
Standard U nuts are inserted into punched or drilled holes in sheet metal and other thin, soft materials. They act as both lock washer and nut, which eliminates the need for lock washers.
Spring steel is a low-alloy, carbon steel with very high yield strength.
Product Specifications
Type U Nut
U Nut Type Standard
System of Measurement Inch
Screw Size #6
Material Spring Steel
Minimum Material Thickness (Decimal Inch) 0.0250
Maximum Material Thickness (Decimal Inch) 0.1250
Finish/Coating Black Phosphate
Center to Edge (Inch) 3/8

$20.69

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

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

Value Collection - #6 Screw, 0.025 to 1/8" Thick, Spring Steel U Nut - 3/8" Center Edge, Black Phosphate Finish - Benchmark Tooling

Value Collection - #6 Screw, 0.025 to 1/8" Thick, Spring Steel U Nut - 3/8" Center Edge, Black Phosphate Finish


Item #: 66452749
Brand: Value Collection
Exact Tooling IR#: 04

Features and Benefits

U nuts clip onto the edge of sheet metal. They are shaped like the letter U and are used in panel assembly.
Spring steel is a low-alloy, carbon steel with very high yield strength.
Product Specifications
Type U Nut
System of Measurement Inch
Screw Size #6
Material Spring Steel
Minimum Material Thickness (Decimal Inch) 0.0250
Maximum Material Thickness (Decimal Inch) 0.1250
Finish/Coating Black Phosphate
Center to Edge (Inch) 3/8

$17.59

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

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

Value Collection - #6 to 32 Screw Size, 5/16" Long x 1/2" Wide, Rectangular Speed Nut - Spring Steel, Black Phosphate Finish, For Threaded Fasteners - Benchmark Tooling

Value Collection - #6 to 32 Screw Size, 5/16" Long x 1/2" Wide, Rectangular Speed Nut - Spring Steel, Black Phosphate Finish, For Threaded Fasteners


Item #: 67743682
Brand: Value Collection
Exact Tooling IR#: 04

Features and Benefits

Rectangular speed nuts have prongs that grip fastener threads, which ensures the fastener is tightly secure. They are used on threaded and unthreaded rods and shafts.
Product Specifications
Type Rectangular Speed Nut
System of Measurement Inch
For Use With Threaded Fasteners
Screw Size (Inch) #6-32
Length (Inch) 5/16
Width (Inch) 1/2
Material Spring Steel
Finish/Coating Black Phosphate

$8.18

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

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

Value Collection - #6-32 UNC 18-8 Hex Lock Nut with Nylon Insert - 5/16" Width Across Flats, 3/16" High - Benchmark Tooling

Value Collection - #6-32 UNC 18-8 Hex Lock Nut with Nylon Insert - 5/16" Width Across Flats, 3/16" High


Item #: 67337287
Brand: Value Collection
Exact Tooling IR#: 04

Features and Benefits

Hex lock nuts are the most common type of lock nut. They have six uniform sides that create a flat bearing surface.
Product Specifications
System of Measurement Inch
Type Hex Lock Nut
Material Stainless Steel
Thread Size #6-32
Height (Inch) 3/16
Material Grade 18-8
Thread Direction Right Hand
Locking Style Insert
Insert Material Nylon
Width Across Flats (Inch) 5/16
Thread Standard UNC
Military Specification Does Not Meet Military Specifications

$13.13

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

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

Value Collection - #6-32 UNC 18-8 Hex Lock Nut with Nylon Insert - 5/16" Width Across Flats, 9/64" High - Benchmark Tooling

Value Collection - #6-32 UNC 18-8 Hex Lock Nut with Nylon Insert - 5/16" Width Across Flats, 9/64" High


Item #: 52592631
Brand: Value Collection
Exact Tooling IR#: 04

Features and Benefits

Hex lock nuts are the most common type of lock nut. They have six uniform sides that create a flat bearing surface.
Product Specifications
System of Measurement Inch
Type Hex Lock Nut
Material Stainless Steel
Thread Size #6-32
Height (Inch) 9/64
Material Grade 18-8
Thread Direction Right Hand
Locking Style Insert
Insert Material Nylon
Width Across Flats (Inch) 5/16
Thread Standard UNC
Military Specification Does Not Meet Military Specifications

$16.09

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

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

Value Collection - #6-32 UNC 316 Hex Lock Nut with Nylon Insert - 3/16" High - Benchmark Tooling

Value Collection - #6-32 UNC 316 Hex Lock Nut with Nylon Insert - 3/16" High


Item #: 70943725
Brand: Value Collection
Exact Tooling IR#: 04

Features and Benefits

Hex lock nuts are the most common type of lock nut. They have six uniform sides that create a flat bearing surface.
Product Specifications
System of Measurement Inch
Type Hex Lock Nut
Material Stainless Steel
Thread Size #6-32
Height (Inch) 3/16
Material Grade 316
Thread Direction Right Hand
Locking Style Insert
Insert Material Nylon
Width Across Flats (Decimal Inch) 5/16
Thread Standard UNC
Military Specification Does Not Meet Military Specifications

$28.62

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

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

Value Collection - #6-32 UNC Aluminum Right Hand Machine Screw Hex Nut - 5/16" Across Flats, 7/64" High, Uncoated - Benchmark Tooling

Value Collection - #6-32 UNC Aluminum Right Hand Machine Screw Hex Nut - 5/16" Across Flats, 7/64" High, Uncoated


Item #: 67468843
Brand: Value Collection
Exact Tooling IR#: 04

Features and Benefits

Machine screw hex nuts have flat tops and beveled corners. They are thinner than standard hex nuts and are used to secure machine screws.
Aluminum has a high strength-to-weight ratio and is wear resistant, nonmagnetic and conductive. It is easier to form and machine than steel and is naturally noncorrosive.
Product Specifications
System of Measurement Inch
Type Machine Screw Hex Nut
Material Aluminum
Thread Size #6-32
Thread Direction Right Hand
Material Grade Non-Graded
Finish/Coating Uncoated
Thread Standard UNC
Width Across Flats (Inch) 5/16
Width Across Flats (Decimal Inch) 0.3125
Height (Inch) 7/64
Military Specification Does Not Meet Military Specifications

$19.31

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

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

Value Collection - #6-32 UNC Brass Right Hand Machine Screw Hex Nut - 5/16" Across Flats, 7/64" High, Uncoated - Benchmark Tooling

Value Collection - #6-32 UNC Brass Right Hand Machine Screw Hex Nut - 5/16" Across Flats, 7/64" High, Uncoated


Item #: 67592485
Brand: Value Collection
Exact Tooling IR#: 04

Features and Benefits

Machine screw hex nuts have flat tops and beveled corners. They are thinner than standard hex nuts and are used to secure machine screws.
Brass is an alloy of copper and zinc that is durable, nonmagnetic and conductive.
Product Specifications
System of Measurement Inch
Type Machine Screw Hex Nut
Material Brass
Thread Size #6-32
Thread Direction Right Hand
Finish/Coating Uncoated
Thread Standard UNC
Width Across Flats (Inch) 5/16
Width Across Flats (Decimal Inch) 0.3125
Height (Inch) 7/64
Military Specification Does Not Meet Military Specifications
Fastener Standard ANSI/ASME B18.2.2

$29.58

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

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