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)

DISC-LOCK - M12x1.75 Metric Coarse Class 10 Steel Free Spinning Hex Lock Nut - 17.5mm High, Magni 565 Finish - Benchmark Tooling

DISC-LOCK - M12x1.75 Metric Coarse Class 10 Steel Free Spinning Hex Lock Nut - 17.5mm High, Magni 565 Finish


Item #: 65404865
Brand: DISC-LOCK
Model #: LN-M12X1.75M-50
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 Metric
Type Hex Lock Nut
Material Steel
Thread Size M12x1.75
Height (mm) 17.50
Material Grade Class 10
Finish/Coating Magni 565
Thread Direction Right Hand
Locking Style Free Spinning
Width Across Flats (mm) 19.00
Thread Standard Metric Coarse
Thread Fit Class 2B
Military Specification Does Not Meet Military Specifications

$71.61

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 8 Hex Lock Nut with Nylon Insert - 9/16" Width Across Flats, 29/64" High, Uncoated - Benchmark Tooling

Value Collection - 3/8-24 UNF Grade 8 Hex Lock Nut with Nylon Insert - 9/16" Width Across Flats, 29/64" High, Uncoated


Item #: 61433736
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
Height (Inch) 29/64
Material Grade Grade 8
Finish/Coating Uncoated
Thread Direction Right Hand
Locking Style Insert
Insert Material Nylon
Width Across Flats (Inch) 9/16
Thread Standard UNF
Military Specification Does Not Meet Military Specifications

$0.74

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 - 5/16-24 UNF Grade 8 Hex Lock Nut with Nylon Insert - 1/2" Width Across Flats, 23/64" High, Zinc Yellow Dichromate Finish - Benchmark Tooling

Value Collection - 5/16-24 UNF Grade 8 Hex Lock Nut with Nylon Insert - 1/2" Width Across Flats, 23/64" High, Zinc Yellow Dichromate Finish


Item #: 67489088
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 5/16-24
Height (Inch) 23/64
Material Grade Grade 8
Finish/Coating Zinc Yellow Dichromate
Thread Direction Right Hand
Locking Style Insert
Insert Material Nylon
Width Across Flats (Inch) 1/2
Thread Standard UNF
Military Specification Does Not Meet Military Specifications

$53.40

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 - 1/2-20 UNF 18-8 Hex Lock Nut with Nylon Insert - 3/4" Width Across Flats, 5/16" High, Uncoated - Benchmark Tooling

Value Collection - 1/2-20 UNF 18-8 Hex Lock Nut with Nylon Insert - 3/4" Width Across Flats, 5/16" High, Uncoated


Item #: 52592490
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 1/2-20
Height (Inch) 5/16
Height (Decimal Inch) 0.3125
Material Grade 18-8
Finish/Coating Uncoated
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 UNF
Military Specification Does Not Meet Military Specifications

$141.27

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 - 3/4-16 UNF Grade C Hex Lock Nut with Distorted Thread - Zinc-Plated with Wax Finish - Benchmark Tooling

Value Collection - 3/4-16 UNF Grade C Hex Lock Nut with Distorted Thread - Zinc-Plated with Wax Finish


Item #: 70977426
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 3/4-16
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

$59.62

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 - M16x2.00 Metric Coarse Grade 8 Hex Lock Nut with Nylon Insert - 16mm High, Zinc-Plated Finish - Benchmark Tooling

Value Collection - M16x2.00 Metric Coarse Grade 8 Hex Lock Nut with Nylon Insert - 16mm High, Zinc-Plated Finish


Item #: 61836698
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 Metric
Type Hex Lock Nut
Material Steel
Thread Size M16x2.00
Height (mm) 16.00
Material Grade Grade 8
Finish/Coating Zinc-Plated
Thread Direction Right Hand
Locking Style Insert
Insert Material Nylon
Width Across Flats (mm) 24.00
Thread Standard Metric Coarse
Fastener Standard DIN 985
Military Specification Does Not Meet Military Specifications

$0.95

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 - 3/8-16 UNC Grade 2 Heavy Hex Lock Nut with Expanding Flex Top - 9/32" High, Cadmium-Plated Finish, Meets Military Specifications - Benchmark Tooling

Flex-Loc - 3/8-16 UNC Grade 2 Heavy Hex Lock Nut with Expanding Flex Top - 9/32" High, Cadmium-Plated Finish, Meets Military Specifications


Item #: 67543728
Brand: Flex-Loc
Model #: 21FK-616
Exact Tooling IR#: 04

Features and Benefits

Heavy hex lock nuts have thicker heads than standard hex nuts. They are used with large-diameter, high-strength bolts.
Product Specifications
System of Measurement Inch
Type Heavy Hex Lock Nut
Material Steel
Thread Size 3/8-16
Height (Inch) 9/32
Height (Decimal Inch) 0.2813
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 UNC
Thread Fit Class 2B
Fastener Standard MIL-S-7742
Military Specification Meets Military Specifications

$126.15

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 - 1-1/4 - 12 UNF Grade C Hex Lock Nut with Distorted Thread - 1-7/8" Width Across Flats, 1" High, Cadmium Clear-Plated Finish - Benchmark Tooling

Value Collection - 1-1/4 - 12 UNF Grade C Hex Lock Nut with Distorted Thread - 1-7/8" Width Across Flats, 1" High, Cadmium Clear-Plated Finish


Item #: 67453407
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 1-1/4 - 12
Height (Inch) 1
Material Grade Grade C
Finish/Coating Cadmium Clear -Plated
Thread Direction Right Hand
Locking Style Distorted Thread
Width Across Flats (Inch) 1-7/8
Thread Standard UNF
Military Specification Does Not Meet Military Specifications

$21.12

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 2 Hex Lock Nut with Nylon Insert - 3/4" Width Across Flats, 39/64" High, Zinc-Plated Finish - Benchmark Tooling

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


Item #: 00099994
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) 39/64
Material Grade Grade 2
Finish/Coating Zinc-Plated
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

$89.65

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 - 1-1/8 - 7 UNC Grade B Hex Lock Nut with Nylon Insert - 1-5/8" Width Across Flats, 1-11/64" High, Zinc-Plated Finish - Benchmark Tooling

Value Collection - 1-1/8 - 7 UNC Grade B Hex Lock Nut with Nylon Insert - 1-5/8" Width Across Flats, 1-11/64" High, Zinc-Plated Finish


Item #: 52591815
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 1-1/8 - 7
Height (Inch) 1-11/64
Height (Decimal Inch) 1.1719
Material Grade Grade B
Finish/Coating Zinc-Plated
Thread Direction Right Hand
Locking Style Insert
Insert Material Nylon
Width Across Flats (Inch) 1-5/8
Width Across Flats (Decimal Inch) 1.614 to 1.627
Thread Standard UNC
Military Specification Does Not Meet Military Specifications

$3.40

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 - 5/8-18 UNF Grade 5 Steel Castle Locknut - Zinc-Plated Finish - Benchmark Tooling

Value Collection - 5/8-18 UNF Grade 5 Steel Castle Locknut - Zinc-Plated Finish


Item #: 51310084
Brand: Value Collection
Exact Tooling IR#: 04

Features and Benefits

Castle lock nuts have a slot cut into one end that projects past the nut's opening. Once the lock nut is threaded onto the fastener and rotated into position, it is secured with a cotter pin.
Product Specifications
System of Measurement Inch
Type Castle Lock Nut
Material Steel
Thread Size 5/8-18
Material Grade Grade 5
Finish/Coating Zinc-Plated
Thread Direction Right Hand
Thread Standard UNF
Fastener Standard J995
Military Specification Does Not Meet Military Specifications

$52.42

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 - 1-1/4 - 12 UNF Grade 5 Steel Castle Locknut - 1-7/8" Width Across Flats, 1-1/4" High, Uncoated - Benchmark Tooling

Value Collection - 1-1/4 - 12 UNF Grade 5 Steel Castle Locknut - 1-7/8" Width Across Flats, 1-1/4" High, Uncoated


Item #: 67484402
Brand: Value Collection
Exact Tooling IR#: 04

Features and Benefits

Castle lock nuts have a slot cut into one end that projects past the nut's opening. Once the lock nut is threaded onto the fastener and rotated into position, it is secured with a cotter pin.
Product Specifications
System of Measurement Inch
Type Castle Lock Nut
Material Steel
Thread Size 1-1/4 - 12
Height (Inch) 1-1/4
Material Grade Grade 5
Finish/Coating Uncoated
Thread Direction Right Hand
Width Across Flats (Inch) 1-7/8
Thread Standard UNF
Fastener Standard ANSI B18.2.2
Military Specification Does Not Meet Military Specifications

$15.66

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 - 2 - 4-1/2 UNC Grade C Hex Lock Nut with Distorted Thread - 3" Width Across Flats, Cadmium Clear-Plated Finish - Benchmark Tooling

Value Collection - 2 - 4-1/2 UNC Grade C Hex Lock Nut with Distorted Thread - 3" Width Across Flats, Cadmium Clear-Plated Finish


Item #: 67453761
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 2 - 4-1/2
Height (Decimal Inch) 0.1763
Material Grade Grade C
Finish/Coating Cadmium Clear -Plated
Thread Direction Right Hand
Locking Style Distorted Thread
Width Across Flats (Inch) 3
Thread Standard UNC
Military Specification Does Not Meet Military Specifications

$78.55

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 - 9/16-12 UNC Grade 2 Two Way Lock Nut with Distorted Thread - 7/8" Width Across Flats, 31/64" High, Zinc-Plated Finish - Benchmark Tooling

Value Collection - 9/16-12 UNC Grade 2 Two Way Lock Nut with Distorted Thread - 7/8" Width Across Flats, 31/64" High, Zinc-Plated Finish


Item #: 61480323
Brand: Value Collection
Exact Tooling IR#: 04

Features and Benefits

Two-way lock nuts have indentations in the flats that distort threads, which creates a locking action.
Product Specifications
System of Measurement Inch
Type Two Way Lock Nut
Material Steel
Thread Size 9/16-12
Height (Inch) 31/64
Material Grade Grade 2
Finish/Coating Zinc-Plated
Thread Direction Right Hand
Locking Style Distorted Thread
Distorted Thread Type Center Lock
Width Across Flats (Inch) 7/8
Thread Standard UNC
Military Specification Does Not Meet Military Specifications

$2.21

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 - 1/2-20 UNF Grade 2 Steel Slotted Locknut - 3/4" Width Across Flats, 7/16" High, Zinc-Plated Finish - Benchmark Tooling

Value Collection - 1/2-20 UNF Grade 2 Steel Slotted Locknut - 3/4" Width Across Flats, 7/16" High, Zinc-Plated Finish


Item #: 66433178
Brand: Value Collection
Exact Tooling IR#: 04

Features and Benefits

Slotted locknuts are thinner than castle locknuts and have slots along the outside diameter of the nut. They are locked into place with a cotter pin.
Product Specifications
System of Measurement Inch
Type Slotted Lock Nut
Material Steel
Thread Size 1/2-20
Height (Inch) 7/16
Material Grade Grade 2
Finish/Coating Zinc-Plated
Thread Direction Right Hand
Width Across Flats (Inch) 3/4
Thread Standard UNF
Military Specification Does Not Meet Military Specifications

$41.66

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

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

Bowmalloy - 1/4-20 Grade 9 Steel Hex Lock Nut - 7/16" Width Across Flats, Bowma-Guard Finish - Benchmark Tooling

Bowmalloy - 1/4-20 Grade 9 Steel Hex Lock Nut - 7/16" Width Across Flats, Bowma-Guard Finish


Item #: 54764055
Brand: Bowmalloy
Model #: BOWMP36780
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 1/4-20
Height (Decimal Inch) 0.2400
Material Grade Grade 9
Finish/Coating Bowma-Guard
Thread Direction Right Hand
Width Across Flats (Inch) 7/16
Width Across Flats (Decimal Inch) 0.4375

$70.13

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

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

DISC-LOCK - 3/4-16 UNF Grade 8 Steel Free Spinning Hex Lock Nut - Geomet Finish - Benchmark Tooling

DISC-LOCK - 3/4-16 UNF Grade 8 Steel Free Spinning Hex Lock Nut - Geomet Finish


Item #: 65404634
Brand: DISC-LOCK
Model #: LN-3/4-16D-20
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 3/4-16
Height (Decimal Inch) 1.14
Material Grade Grade 8
Finish/Coating Geomet
Thread Direction Right Hand
Locking Style Free Spinning
Flange Diameter (Decimal Inch) 1.8800
Thread Standard UNF
Thread Fit Class 2B
Military Specification Does Not Meet Military Specifications

$265.58

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 - 7/8-9 UNC Grade L9 Hex Lock Nut with Distorted Thread - Uncoated with Wax Finish - Benchmark Tooling

Made in USA - 7/8-9 UNC Grade L9 Hex Lock Nut with Distorted Thread - Uncoated with Wax Finish


Item #: 64711054
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 7/8-9
Height (Decimal Inch) 0.8870
Material Grade Grade L9
Finish/Coating Uncoated with Wax
Thread Direction Right Hand
Locking Style Distorted Thread
Width Across Flats (Decimal Inch) 1.3120
Thread Standard UNC
Military Specification Does Not Meet Military Specifications

$4.61

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 - 7/8-9 UNC Grade 5 Hex Lock Nut with Nylon Insert - 1-1/4" Width Across Flats, 63/64" High, Zinc Trivalent Chromate Finish - Benchmark Tooling

Value Collection - 7/8-9 UNC Grade 5 Hex Lock Nut with Nylon Insert - 1-1/4" Width Across Flats, 63/64" High, Zinc Trivalent Chromate Finish


Item #: 52591435
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 7/8-9
Height (Inch) 63/64
Material Grade Grade 5
Finish/Coating Zinc Trivalent Chromate
Thread Direction Right Hand
Locking Style Insert
Insert Material Nylon
Width Across Flats (Inch) 1-1/4
Thread Standard UNC
Military Specification Does Not Meet Military Specifications

$2.72

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 - 1-8 UNC Grade 2 Heavy Hex Lock Nut with Expanding Flex Top - Uncoated, Meets Military Specifications - Benchmark Tooling

Flex-Loc - 1-8 UNC Grade 2 Heavy Hex Lock Nut with Expanding Flex Top - Uncoated, Meets Military Specifications


Item #: 67515361
Brand: Flex-Loc
Model #: 30FA-1608
Exact Tooling IR#: 04

Features and Benefits

Heavy hex lock nuts have thicker heads than standard hex nuts. They are used with large-diameter, high-strength bolts.
Product Specifications
System of Measurement Inch
Type Heavy Hex Lock Nut
Material Steel
Thread Size 1-8
Height (Decimal Inch) 1.0090
Material Grade Grade 2
Finish/Coating Uncoated
Thread Direction Right Hand
Locking Style Expanding Flex Top
Flange Diameter (Decimal Inch) 1.4890
Width Across Flats (Decimal Inch) 1.5020
Thread Standard UNC
Thread Fit Class 2B
Fastener Standard MIL-S-7742
Military Specification Meets Military Specifications

$2,066.44

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

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