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

Fastening Products - Nuts For Sale | Benchmark Tooling - (4439 Products)

Value Collection - 5/16-18 UNC Grade 2 Hex Flange Lock Nut with Nylon Insert - 1/2" Width Across Flats, 3/8" High, Zinc-Plated Finish - Benchmark Tooling

Value Collection - 5/16-18 UNC Grade 2 Hex Flange Lock Nut with Nylon Insert - 1/2" Width Across Flats, 3/8" High, Zinc-Plated Finish


Item #: 52593118
Brand: Value Collection
Exact Tooling IR#: 04

Features and Benefits

Hex flange lock nuts have a six-sided head and a flanged, washer-like base. They are used to cover oversized holes or when a flat washer is not practical. The lock nut's flange creates a wide bearing surface.
Product Specifications
System of Measurement Inch
Type Hex Flange Lock Nut
Material Steel
Thread Size 5/16-18
Height (Inch) 3/8
Height (Decimal Inch) 0.3650
Material Grade Grade 2
Finish/Coating Zinc-Plated
Thread Direction Right Hand
Locking Style Insert
Insert Material Nylon
Width Across Flats (Inch) 1/2
Thread Standard UNC
Military Specification Does Not Meet Military Specifications

$13.12

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 - 1/2-13 UNC Grade L9 Hex Lock Nut with Distorted Thread - 3/4" Width Across Flats, Uncoated with Wax Finish - Benchmark Tooling

Made in USA - 1/2-13 UNC Grade L9 Hex Lock Nut with Distorted Thread - 3/4" Width Across Flats, Uncoated with Wax Finish


Item #: 64698632
Brand: Made in USA
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 1/2-13
Height (Decimal Inch) 0.5160
Material Grade Grade L9
Finish/Coating Uncoated with Wax
Thread Direction Right Hand
Locking Style Distorted Thread
Width Across Flats (Inch) 3/4
Width Across Flats (Decimal Inch) 0.7500
Thread Standard UNC
Military Specification Does Not Meet Military Specifications

$0.48

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

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

Bowmalloy - 1/2-13 Grade 9 Steel Hex Lock Nut - 3/4" Width Across Flats, Bowma-Guard Finish - Benchmark Tooling

Bowmalloy - 1/2-13 Grade 9 Steel Hex Lock Nut - 3/4" Width Across Flats, Bowma-Guard Finish


Item #: 66812447
Brand: Bowmalloy
Model #: BOW36784
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 1/2-13
Height (Decimal Inch) 0.4350
Material Grade Grade 9
Finish/Coating Bowma-Guard
Thread Direction Right Hand
Width Across Flats (Inch) 3/4
Width Across Flats (Decimal Inch) 0.7500

$96.90

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 Grade 2 Hex Lock Nut with Expanding Flex Top - Cadmium-Plated Finish, Meets Military Specifications - Benchmark Tooling

Made in USA - 5/16-18 UNC Grade 2 Hex Lock Nut with Expanding Flex Top - Cadmium-Plated Finish, Meets Military Specifications


Item #: 70992623
Brand: Made in USA
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 5/16-18
Height (Decimal Inch) 0.3530
Material Grade Grade 2
Finish/Coating Cadmium-Plated
Thread Direction Right Hand
Locking Style Expanding Flex Top
Flange Diameter (Decimal Inch) 0.4920
Width Across Flats (Decimal Inch) 0.5020
Thread Standard UNC
Thread Fit Class 2B
Fastener Standard MIL-S-7742
Military Specification Meets Military Specifications

$102.68

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 - 3/4-10 UNC 316 Hex Lock Nut with Nylon Insert - 1-1/16" Width Across Flats, 7/8" High, Uncoated - Benchmark Tooling

Value Collection - 3/4-10 UNC 316 Hex Lock Nut with Nylon Insert - 1-1/16" Width Across Flats, 7/8" High, Uncoated


Item #: 52594108
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 3/4-10
Height (Inch) 7/8
Height (Decimal Inch) 0.8750
Material Grade 316
Finish/Coating Uncoated
Thread Direction Right Hand
Locking Style Insert
Insert Material Nylon
Width Across Flats (Inch) 1-1/16
Width Across Flats (Decimal Inch) 1.052 to 1.064
Thread Standard UNC
Military Specification Does Not Meet Military Specifications

$6.21

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

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

Flex-Loc - #2-56 UNJC Grade 2 Hex Lock Nut with Expanding Flex Top - Cadmium-Plated Finish, Meets Military Specifications - Benchmark Tooling

Flex-Loc - #2-56 UNJC Grade 2 Hex Lock Nut with Expanding Flex Top - Cadmium-Plated Finish, Meets Military Specifications


Item #: 67516245
Brand: Flex-Loc
Model #: 21FA-256
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 #2-56
Height (Decimal Inch) 0.1550
Material Grade Grade 2
Finish/Coating Cadmium-Plated
Thread Direction Right Hand
Locking Style Expanding Flex Top
Flange Diameter (Decimal Inch) 0.2430
Width Across Flats (Decimal Inch) 0.2510
Thread Standard UNJC
Thread Fit Class 3B
Fastener Standard AS8879
Military Specification Meets Military Specifications

$70.36

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 - #10-24 UNC 316 Hex Lock Nut with Nylon Insert - 1/4" High - Benchmark Tooling

Value Collection - #10-24 UNC 316 Hex Lock Nut with Nylon Insert - 1/4" High


Item #: 70943733
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 #10-24
Height (Inch) 1/4
Material Grade 316
Thread Direction Right Hand
Locking Style Insert
Insert Material Nylon
Width Across Flats (Decimal Inch) 3/8
Thread Standard UNC
Military Specification Does Not Meet Military Specifications

$35.38

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 - 1/2-13 UNC 18-8 Hex Lock Nut with Nylon Insert - 3/4" Width Across Flats, 39/64" High - Benchmark Tooling

Value Collection - 1/2-13 UNC 18-8 Hex Lock Nut with Nylon Insert - 3/4" Width Across Flats, 39/64" High


Item #: 64699572
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 1/2-13
Height (Inch) 39/64
Material Grade 18-8
Thread Direction Right Hand
Locking Style Insert
Insert Material Nylon
Width Across Flats (Inch) 3/4
Thread Standard UNC
Military Specification Does Not Meet Military Specifications

$0.88

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 - 3/8-24 UNF Grade C Hex Lock Nut with Distorted Thread - Zinc-Plated with Wax Finish - Benchmark Tooling

Value Collection - 3/8-24 UNF Grade C Hex Lock Nut with Distorted Thread - Zinc-Plated with Wax Finish


Item #: 70977277
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 3/8-24
Material Grade Grade C
Finish/Coating Zinc-Plated with Wax
Thread Direction Right Hand
Locking Style Distorted Thread
Thread Standard UNF
Military Specification Does Not Meet Military Specifications

$36.27

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 - 1/2-13 UNC Grade 8 Hex Lock Nut with Nylon Insert - 3/4" Width Across Flats, 19/32" High, Uncoated - Benchmark Tooling

Value Collection - 1/2-13 UNC Grade 8 Hex Lock Nut with Nylon Insert - 3/4" Width Across Flats, 19/32" High, Uncoated


Item #: 61433744
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 1/2-13
Height (Inch) 19/32
Material Grade Grade 8
Finish/Coating Uncoated
Thread Direction Right Hand
Locking Style Insert
Insert Material Nylon
Width Across Flats (Inch) 3/4
Thread Standard UNC
Military Specification Does Not Meet Military Specifications

$0.44

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

$15.57

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 - 7/16-20 UNJF Grade 2 Hex Lock Nut with Expanding Flex Top - Cadmium-Plated Finish, Meets Military Specifications - Benchmark Tooling

Value Collection - 7/16-20 UNJF Grade 2 Hex Lock Nut with Expanding Flex Top - Cadmium-Plated Finish, Meets Military Specifications


Item #: 70992524
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 7/16-20
Height (Decimal Inch) 0.4620
Material Grade Grade 2
Finish/Coating Cadmium-Plated
Thread Direction Right Hand
Locking Style Expanding Flex Top
Flange Diameter (Decimal Inch) 0.6160
Width Across Flats (Decimal Inch) 0.6270
Thread Standard UNJF
Thread Fit Class 3B
Fastener Standard IFI 100/107; NASM 25027
Military Specification Meets Military Specifications

$85.87

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 - 5/8-11 UNC 18-8 Hex Lock Nut with Nylon Insert - 15/16" Width Across Flats, 49/64" High - Benchmark Tooling

Value Collection - 5/8-11 UNC 18-8 Hex Lock Nut with Nylon Insert - 15/16" Width Across Flats, 49/64" High


Item #: 64699424
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 5/8-11
Height (Inch) 49/64
Material Grade 18-8
Thread Direction Right Hand
Locking Style Insert
Insert Material Nylon
Width Across Flats (Inch) 15/16
Thread Standard UNC
Military Specification Does Not Meet Military Specifications

$1.98

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 - 1/4-28 Grade 8 Steel Hex Flange Lock Nut - Zinc Yellow Dichromate Finish - Benchmark Tooling

Made in USA - 1/4-28 Grade 8 Steel Hex Flange Lock Nut - Zinc Yellow Dichromate Finish


Item #: 64711146
Brand: Made in USA
Exact Tooling IR#: 04

Features and Benefits

Hex flange lock nuts have a six-sided head and a flanged, washer-like base. They are used to cover oversized holes or when a flat washer is not practical. The lock nut's flange creates a wide bearing surface.
Product Specifications
System of Measurement Inch
Type Hex Flange Lock Nut
Material Steel
Thread Size 1/4-28
Height (Decimal Inch) 0.3000
Material Grade Grade 8
Finish/Coating Zinc Yellow Dichromate
Flange Diameter (Decimal Inch) 0.5600
Width Across Flats (Decimal Inch) 0.4385

$96.89

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 - 1-14 UNF Grade 8 Hex Lock Nut with Nylon Insert - 1-7/16" Width Across Flats, 1-3/64" High, Uncoated - Benchmark Tooling

Value Collection - 1-14 UNF Grade 8 Hex Lock Nut with Nylon Insert - 1-7/16" Width Across Flats, 1-3/64" High, Uncoated


Item #: 80929029
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 1-14
Height (Inch) 1-3/64
Material Grade Grade 8
Finish/Coating Uncoated
Thread Direction Right Hand
Locking Style Insert
Insert Material Nylon
Width Across Flats (Inch) 1-7/16
Thread Standard UNF
Military Specification Does Not Meet Military Specifications

$4.54

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 18-8 Hex Lock Nut with Nylon Insert - 1/4" Width Across Flats, 1/8" High - Benchmark Tooling

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


Item #: 52592623
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 #4-40
Height (Inch) 1/8
Material Grade 18-8
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

$17.02

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 - 1/2-13 UNC Grade B Hex Lock Nut with Nylon Insert - 3/4" Width Across Flats, 19/32" High, Zinc-Plated Finish - Benchmark Tooling

Value Collection - 1/2-13 UNC Grade B Hex Lock Nut with Nylon Insert - 3/4" Width Across Flats, 19/32" High, Zinc-Plated Finish


Item #: 52591377
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 1/2-13
Height (Inch) 19/32
Height (Decimal Inch) 0.5938
Material Grade Grade B
Finish/Coating Zinc-Plated
Thread Direction Right Hand
Locking Style Insert
Insert Material Nylon
Width Across Flats (Inch) 3/4
Width Across Flats (Decimal Inch) 0.741 to 0.752
Thread Standard UNC
Military Specification Does Not Meet Military Specifications

$31.78

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 - M5x0.80 Metric Coarse 316 & Austenitic Grade A4 Hex Lock Nut with Nylon Insert - 5mm High, Uncoated - Benchmark Tooling

Value Collection - M5x0.80 Metric Coarse 316 & Austenitic Grade A4 Hex Lock Nut with Nylon Insert - 5mm High, Uncoated


Item #: 65094237
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 M5x0.80
Height (mm) 5.00
Material Grade 316; Austenitic Grade A4
Finish/Coating Uncoated
Thread Direction Right Hand
Locking Style Insert
Insert Material Nylon
Width Across Flats (mm) 8.00
Thread Standard Metric Coarse
Fastener Standard DIN 985
Military Specification Does Not Meet Military Specifications

$64.89

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 - 1-1/2 - 6 UNC Grade 8 Hex Lock Nut with Nylon Insert - 2-3/16" Width Across Flats, 1-39/64" High, Uncoated - Benchmark Tooling

Value Collection - 1-1/2 - 6 UNC Grade 8 Hex Lock Nut with Nylon Insert - 2-3/16" Width Across Flats, 1-39/64" High, Uncoated


Item #: 61437604
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 1-1/2 - 6
Height (Inch) 1-39/64
Material Grade Grade 8
Finish/Coating Uncoated
Thread Direction Right Hand
Locking Style Insert
Insert Material Nylon
Width Across Flats (Inch) 2-3/16
Thread Standard UNC
Military Specification Does Not Meet Military Specifications

$25.58

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

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

Flex-Loc - #2-56 UNJC Grade 2 Hex Lock Nut with Expanding Flex Top - Uncoated, Meets Military Specifications - Benchmark Tooling

Flex-Loc - #2-56 UNJC Grade 2 Hex Lock Nut with Expanding Flex Top - Uncoated, Meets Military Specifications


Item #: 67541524
Brand: Flex-Loc
Model #: 20FA-256
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 #2-56
Height (Decimal Inch) 0.1550
Material Grade Grade 2
Finish/Coating Uncoated
Thread Direction Right Hand
Locking Style Expanding Flex Top
Flange Diameter (Decimal Inch) 0.2430
Width Across Flats (Decimal Inch) 0.2510
Thread Standard UNJC
Thread Fit Class 3B
Fastener Standard AS8879
Military Specification Meets Military Specifications

$65.78

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

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