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)

Made in USA - 3/4-10 Grade C Hex Lock Nut with Distorted Thread - Zinc Yellow with Wax Finish - Benchmark Tooling

Made in USA - 3/4-10 Grade C Hex Lock Nut with Distorted Thread - Zinc Yellow with Wax Finish


Item #: 39804612
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 3/4-10
Material Grade Grade C
Finish/Coating Zinc Yellow with Wax
Thread Direction Right Hand
Locking Style Distorted Thread

$71.97

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 2 Hex Lock Nut with Nylon Insert - 1-7/16" Width Across Flats, 35/64" High, Zinc-Plated Finish - Benchmark Tooling

Value Collection - 1-14 UNF Grade 2 Hex Lock Nut with Nylon Insert - 1-7/16" Width Across Flats, 35/64" High, Zinc-Plated Finish


Item #: 52592763
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) 35/64
Material Grade Grade 2
Finish/Coating Zinc-Plated
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

$3.32

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 - #8-32 UNC Grade 2 Hex Lock Nut with Nylon Insert - 11/32" Width Across Flats, 3/16" High, Zinc-Plated Finish - Benchmark Tooling

Value Collection - #8-32 UNC Grade 2 Hex Lock Nut with Nylon Insert - 11/32" Width Across Flats, 3/16" High, Zinc-Plated Finish


Item #: 52592714
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 #8-32
Height (Inch) 3/16
Height (Decimal Inch) 0.157 to 0.187
Material Grade Grade 2
Finish/Coating Zinc-Plated
Thread Direction Right Hand
Locking Style Insert
Insert Material Nylon
Width Across Flats (Inch) 11/32
Width Across Flats (Decimal Inch) 0.336 to 0.345
Thread Standard UNC
Military Specification Does Not Meet Military Specifications

$5.28

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 - 3/8-24 UNJF 18-8 Hex Lock Nut with Expanding Flex Top - Uncoated, Meets Military Specifications - Benchmark Tooling

Flex-Loc - 3/8-24 UNJF 18-8 Hex Lock Nut with Expanding Flex Top - Uncoated, Meets Military Specifications


Item #: 67517763
Brand: Flex-Loc
Model #: 50FC-624
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 3/8-24
Height (Decimal Inch) 0.4620
Material Grade 18-8
Finish/Coating Uncoated
Thread Direction Right Hand
Locking Style Expanding Flex Top
Flange Diameter (Decimal Inch) 0.5530
Width Across Flats (Decimal Inch) 0.5640
Thread Standard UNJF
Thread Fit Class 3B
Fastener Standard AS8879
Military Specification Meets Military Specifications

$545.63

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 - M30x3.50 Metric Coarse 18-8 & Austenitic Grade A2 Hex Lock Nut with Nylon Insert - 30mm High, Uncoated - Benchmark Tooling

Value Collection - M30x3.50 Metric Coarse 18-8 & Austenitic Grade A2 Hex Lock Nut with Nylon Insert - 30mm High, Uncoated


Item #: 88154620
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 M30x3.50
Height (mm) 30.00
Material Grade 18-8; Austenitic Grade A2
Finish/Coating Uncoated
Thread Direction Right Hand
Locking Style Insert
Insert Material Nylon
Width Across Flats (mm) 46.00
Thread Standard Metric Coarse
Fastener Standard DIN 985
Military Specification Does Not Meet Military Specifications

$77.52

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 - 7/16-20 UNF Grade 8 Hex Lock Nut with Nylon Insert - 11/16" Width Across Flats, 15/32" High, Zinc Yellow Dichromate Finish - Benchmark Tooling

Value Collection - 7/16-20 UNF Grade 8 Hex Lock Nut with Nylon Insert - 11/16" Width Across Flats, 15/32" High, Zinc Yellow Dichromate Finish


Item #: 61433397
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 (Inch) 15/32
Material Grade Grade 8
Finish/Coating Zinc Yellow Dichromate
Thread Direction Right Hand
Locking Style Insert
Insert Material Nylon
Width Across Flats (Inch) 11/16
Thread Standard UNF
Military Specification Does Not Meet Military Specifications

$0.99

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 - 1/2-20 UNF Grade 8 Steel Free Spinning Hex Lock Nut - Magni 565 Finish - Benchmark Tooling

DISC-LOCK - 1/2-20 UNF Grade 8 Steel Free Spinning Hex Lock Nut - Magni 565 Finish


Item #: 65404717
Brand: DISC-LOCK
Model #: LN-1/2-20M-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 Inch
Type Hex Lock Nut
Material Steel
Thread Size 1/2-20
Height (Decimal Inch) 0.69
Material Grade Grade 8
Finish/Coating Magni 565
Thread Direction Right Hand
Locking Style Free Spinning
Flange Diameter (Decimal Inch) 1.0000
Thread Standard UNF
Thread Fit Class 2B
Military Specification Does Not Meet Military Specifications

$78.29

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 - M20x2.50 Metric Coarse 316 & Austenitic Grade A4 Hex Lock Nut with Nylon Insert - 20mm High, Uncoated - Benchmark Tooling

Value Collection - M20x2.50 Metric Coarse 316 & Austenitic Grade A4 Hex Lock Nut with Nylon Insert - 20mm High, Uncoated


Item #: 70967435
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 M20x2.50
Height (mm) 20.00
Material Grade 316; Austenitic Grade A4
Finish/Coating Uncoated
Thread Direction Right Hand
Locking Style Insert
Insert Material Nylon
Width Across Flats (mm) 30.00
Thread Standard Metric Coarse
Fastener Standard DIN 985
Military Specification Does Not Meet Military Specifications

$33.90

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 18-8 & Austenitic Grade A2 Hex Lock Nut with Nylon Insert - 5mm High, Uncoated - Benchmark Tooling

Value Collection - M5x0.80 Metric Coarse 18-8 & Austenitic Grade A2 Hex Lock Nut with Nylon Insert - 5mm High, Uncoated


Item #: 88142989
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 18-8; Austenitic Grade A2
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

$13.39

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 18-8 Hex Lock Nut with Expanding Flex Top - Uncoated, Meets Military Specifications - Benchmark Tooling

Flex-Loc - #2-56 UNJC 18-8 Hex Lock Nut with Expanding Flex Top - Uncoated, Meets Military Specifications


Item #: 67517920
Brand: Flex-Loc
Model #: 50FA-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 Stainless Steel
Thread Size #2-56
Height (Decimal Inch) 0.1550
Material Grade 18-8
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

$238.78

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 - 1-1/2 - 6 UNC Grade C Hex Lock Nut with Distorted Thread - 2-1/4" Width Across Flats, 1-5/16" High, Cadmium Clear-Plated Finish - Benchmark Tooling

Value Collection - 1-1/2 - 6 UNC Grade C Hex Lock Nut with Distorted Thread - 2-1/4" Width Across Flats, 1-5/16" High, Cadmium Clear-Plated Finish


Item #: 67453720
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) 1-5/16
Material Grade Grade C
Finish/Coating Cadmium Clear -Plated
Thread Direction Right Hand
Locking Style Distorted Thread
Width Across Flats (Inch) 2-1/4
Thread Standard UNC
Military Specification Does Not Meet Military Specifications

$32.68

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 - 1/2-20 UNJF Grade 2 Hex Lock Nut with Expanding Flex Top - Cadmium-Plated Finish, Meets Military Specifications - Benchmark Tooling

Flex-Loc - 1/2-20 UNJF Grade 2 Hex Lock Nut with Expanding Flex Top - Cadmium-Plated Finish, Meets Military Specifications


Item #: 67515965
Brand: Flex-Loc
Model #: 21FC-820
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 1/2-20
Height (Decimal Inch) 0.6020
Material Grade Grade 2
Finish/Coating Cadmium-Plated
Thread Direction Right Hand
Locking Style Expanding Flex Top
Flange Diameter (Decimal Inch) 0.7410
Width Across Flats (Decimal Inch) 0.7520
Thread Standard UNJF
Thread Fit Class 3B
Fastener Standard AS8879
Military Specification Meets Military Specifications

$335.06

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 - 3/4-10 Grade G Steel Hex Flange Lock Nut - Zinc Yellow Dichromate Finish - Benchmark Tooling

Made in USA - 3/4-10 Grade G Steel Hex Flange Lock Nut - Zinc Yellow Dichromate Finish


Item #: 70991674
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 3/4-10
Height (Decimal Inch) 0.8250
Material Grade Grade G
Finish/Coating Zinc Yellow Dichromate
Flange Diameter (Decimal Inch) 1.5850
Width Across Flats (Decimal Inch) 1.1270

$2.83

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 - 5/16-24 Grade C Hex Lock Nut with Distorted Thread - Zinc Yellow with Wax Finish - Benchmark Tooling

Made in USA - 5/16-24 Grade C Hex Lock Nut with Distorted Thread - Zinc Yellow with Wax Finish


Item #: 39804562
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 5/16-24
Material Grade Grade C
Finish/Coating Zinc Yellow with Wax
Thread Direction Right Hand
Locking Style Distorted Thread

$36.20

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 - 5/8-18 UNF Grade 8 Steel Free Spinning Hex Lock Nut - Magni 565 Finish - Benchmark Tooling

DISC-LOCK - 5/8-18 UNF Grade 8 Steel Free Spinning Hex Lock Nut - Magni 565 Finish


Item #: 65404675
Brand: DISC-LOCK
Model #: LN-5/8-18M-500
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 5/8-18
Height (Decimal Inch) 0.82
Material Grade Grade 8
Finish/Coating Magni 565
Thread Direction Right Hand
Locking Style Free Spinning
Flange Diameter (Decimal Inch) 1.2300
Thread Standard UNF
Thread Fit Class 2B
Military Specification Does Not Meet Military Specifications

$763.16

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 - M4x0.70 Metric Coarse Grade 8 Hex Lock Nut with Distorted Thread - 3.7mm High, Zinc-Plated Finish - Benchmark Tooling

Value Collection - M4x0.70 Metric Coarse Grade 8 Hex Lock Nut with Distorted Thread - 3.7mm High, Zinc-Plated Finish


Item #: 68085281
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 M4x0.70
Height (mm) 3.70
Material Grade Grade 8
Finish/Coating Zinc-Plated
Thread Direction Right Hand
Locking Style Distorted Thread
Width Across Flats (mm) 7.00
Thread Standard Metric Coarse
Fastener Standard DIN 980; ISO 7042
Military Specification Does Not Meet Military Specifications

$20.48

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 #: 70998059
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

$53.76

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 - 7 UNC Grade 2 Heavy Hex Lock Nut with Nylon Insert - 2" Width Across Flats, 1-3/8" High, Uncoated - Benchmark Tooling

Value Collection - 1-1/4 - 7 UNC Grade 2 Heavy Hex Lock Nut with Nylon Insert - 2" Width Across Flats, 1-3/8" High, Uncoated


Item #: 67486365
Brand: Value Collection
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 1-1/4 - 7
Height (Inch) 1-3/8
Material Grade Grade 2
Finish/Coating Uncoated
Thread Direction Right Hand
Locking Style Insert
Insert Material Nylon
Width Across Flats (Inch) 2
Thread Standard UNC
Military Specification Does Not Meet Military Specifications

$35.51

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 - 7/8-14 UNF Grade 8 Hex Lock Nut with Nylon Insert - 1-1/4" Width Across Flats, 63/64" High, Uncoated - Benchmark Tooling

Value Collection - 7/8-14 UNF Grade 8 Hex Lock Nut with Nylon Insert - 1-1/4" Width Across Flats, 63/64" High, Uncoated


Item #: 61435632
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 7/8-14
Height (Inch) 63/64
Material Grade Grade 8
Finish/Coating Uncoated
Thread Direction Right Hand
Locking Style Insert
Insert Material Nylon
Width Across Flats (Inch) 1-1/4
Thread Standard UNF
Military Specification Does Not Meet Military Specifications

$2.34

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 2 Heavy Hex Lock Nut with Nylon Insert - 1-53/64" Width Across Flats, 1-7/16" High, Zinc-Plated Finish - Benchmark Tooling

Value Collection - 1-1/8 - 7 UNC Grade 2 Heavy Hex Lock Nut with Nylon Insert - 1-53/64" Width Across Flats, 1-7/16" High, Zinc-Plated Finish


Item #: 52592904
Brand: Value Collection
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 1-1/8 - 7
Height (Inch) 1-7/16
Height (Decimal Inch) 1.4375
Material Grade Grade 2
Finish/Coating Zinc-Plated
Thread Direction Right Hand
Locking Style Insert
Insert Material Nylon
Width Across Flats (Inch) 1-53/64
Width Across Flats (Decimal Inch) 1.788 to 1.820
Thread Standard UNC
Military Specification Does Not Meet Military Specifications

$14.26

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

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