Fasteners
Industrial Fasteners for Construction, Fabrication & Maintenance
Industrial fasteners are the backbone of mechanical fastening, anchoring, and structural assembly across a wide range of industries. Our comprehensive selection is engineered to meet the rigorous demands of industrial, fleet, and maintenance, repair, and operations (MRO) applications. Whether you require metric or standard sizes, our fasteners ensure compatibility and consistent sizing for seamless repair, replacement, and new installations. From heavy-duty construction projects to precision fabrication and ongoing equipment service, our hardware solutions support every phase of your operation. Explore a broad inventory designed for structural integrity, mechanical reliability, and secure anchoring—empowering your team to work efficiently and safely, no matter the jobsite or application.
Bolts, Screws & Threaded Rod
Discover our extensive range of bolts, screws, and threaded rod, available in both standard and metric dimensions. These essential fasteners provide reliable mechanical connections for structural assembly, equipment installation, and repair. For more details, visit our Bolts, Screws & Threaded Rod category.
Nuts, Washers & Locking Hardware
Ensure secure fastening and load distribution with our selection of nuts, washers, and locking hardware. Designed for compatibility with a variety of bolts and threaded rods, these components are critical for maintaining joint integrity in demanding environments. Explore the full range in our Nuts, Washers & Locking Hardware section.
Anchors & Threaded Inserts
Achieve dependable anchoring in concrete, masonry, and other substrates with our anchors and threaded inserts. These solutions are ideal for structural and mechanical applications where secure, long-lasting fastening is required. Learn more in our Anchors & Threaded Inserts category.
Pins, Retaining Rings & Rivets
For applications requiring precise alignment, retention, or permanent assembly, our pins, retaining rings, and rivets deliver consistent performance. These specialty fasteners are essential for equipment maintenance, fabrication, and assembly tasks. Visit our Pins, Retaining Rings & Rivets page for more information.
Specialty Fasteners & Hardware
Address unique fastening challenges with our specialty fasteners and hardware, including tamper-resistant, high-strength, and application-specific solutions. Support your fabrication, installation, and service needs with products engineered for reliability and ease of use. Browse our Specialty Fasteners & Hardware category for tailored options.
Value Propositions
- Broad selection of standard and metric fasteners for every application
- Suitable for industrial, fleet, and maintenance use
- Structural, mechanical, and anchoring solutions for diverse environments
- Consistent sizing for efficient repair and replacement
- Supports fabrication, installation, and equipment service
LOCK WASHER SPLIT USS ZINC 3/8" GR 5
LW38
- A coiled, hardened split circular washer with a slightly trapezoidal wire section.
- Applies greater bolt tension per unit of applied torque.
- Provides a hardened bearing surface and more uniform load distribution.
- Steel, zinc plated.
- Resists loosening caused by vibration and corrosion.
- Designed for use with grade 5 bolts.
- Rockwell Hardness: C38-46
- Inside Diameter: Min .377 Max .385
- Outside Diameter: 0.68
$19.80
$0.198
$0.198
LOCK WASHER SPLIT STAINLESS 3/8"
LW38SS
- A coiled, hardened split circular washer with a slightly trapezoidal wire section.
- Applies greater bolt tension per unit of applied torque.
- Provides a hardened bearing surface and more uniform load distribution.
- Stainless Steel.
- Resists loosening caused by vibration and corrosion.
- For use with stainless nuts and screws of a similar stainless alloy.
- Rockwell Hardness: C35-43
- Inside Diameter: Min .377 Max .385
- Outside Diameter: 0.68
$24.00
$0.24
$0.24
LOCK WASHER SPLIT METRIC ZINC M3
LW3M
- A coiled, hardened split circular washer with a slightly trapezoidal wire section.
- Applies greater bolt tension per unit of applied torque.
- Provides a hardened bearing surface and more uniform load distribution.
- Steel, zinc plated.
- Resists loosening caused by vibration and corrosion.
- For use with metric bolts and screws.
- Rockwell Hardness: C44-51
- Inside Diameter: Min 3.1 Max 3.4
- Outside Diameter: 6.2
$7.00
$0.07
$0.07
LOCK WASHER SPLIT USS ZINC #4 GR 5
LW4
- A coiled, hardened split circular washer with a slightly trapezoidal wire section.
- Applies greater bolt tension per unit of applied torque.
- Provides a hardened bearing surface and more uniform load distribution.
- Steel, zinc plated.
- Resists loosening caused by vibration and corrosion.
- Designed for use with grade 5 bolts.
- Rockwell Hardness: C38-46
- Inside Diameter: Min .114 Max .120
- Outside Diameter: 0.209
$3.60
$0.036
$0.036
LOCK WASHER SPLIT METRIC ZINC M4
LW4M
- A coiled, hardened split circular washer with a slightly trapezoidal wire section.
- Applies greater bolt tension per unit of applied torque.
- Provides a hardened bearing surface and more uniform load distribution.
- Steel, zinc plated.
- Resists loosening caused by vibration and corrosion.
- For use with metric bolts and screws.
- Rockwell Hardness: C44-51
- Inside Diameter: Min 4.1 Max 4.4
- Outside Diameter: 7.6
$15.15
$0.1515
$0.1515
LOCK WASHER SPLIT STAINLESS 1/2"
LW50SS
- A coiled, hardened split circular washer with a slightly trapezoidal wire section.
- Applies greater bolt tension per unit of applied torque.
- Provides a hardened bearing surface and more uniform load distribution.
- Stainless Steel.
- Resists loosening caused by vibration and corrosion.
- For use with stainless nuts and screws of a similar stainless alloy.
- Rockwell Hardness: C35-43
- Inside Diameter: Min .502 Max .512
- Outside Diameter: 0.869
$87.78
$0.8778
$0.8778
LOCK WASHER SPLIT USS ZINC 5/16" GR 5
LW56
- A coiled, hardened split circular washer with a slightly trapezoidal wire section.
- Applies greater bolt tension per unit of applied torque.
- Provides a hardened bearing surface and more uniform load distribution.
- Steel, zinc plated.
- Resists loosening caused by vibration and corrosion.
- Designed for use with grade 5 bolts.
- Rockwell Hardness: C38-46
- Inside Diameter: Min .314 Max .322
- Outside Diameter: 0.583
$30.96
$0.3096
$0.3096
LOCK WASHER SPLIT STAINLESS 5/16"
LW56SS
- A coiled, hardened split circular washer with a slightly trapezoidal wire section.
- Applies greater bolt tension per unit of applied torque.
- Provides a hardened bearing surface and more uniform load distribution.
- Stainless Steel.
- Resists loosening caused by vibration and corrosion.
- For use with stainless nuts and screws of a similar stainless alloy.
- Rockwell Hardness: C35-43
- Inside Diameter: Min .314 Max .322
- Outside Diameter: 0.583
$26.64
$0.2664
$0.2664
LOCK WASHER SPLIT USS ZINC 5/8" GR 5
LW58
- A coiled, hardened split circular washer with a slightly trapezoidal wire section.
- Applies greater bolt tension per unit of applied torque.
- Provides a hardened bearing surface and more uniform load distribution.
- Steel, zinc plated.
- Resists loosening caused by vibration and corrosion.
- Designed for use with grade 5 bolts.
- Rockwell Hardness: C38-46
- Inside Diameter: Min .628 Max .641
- Outside Diameter: 1.073
$33.52
$0.6704
$0.6704
LOCK WASHER SPLIT METRIC ZINC M5
LW5M
- A coiled, hardened split circular washer with a slightly trapezoidal wire section.
- Applies greater bolt tension per unit of applied torque.
- Provides a hardened bearing surface and more uniform load distribution.
- Steel, zinc plated.
- Resists loosening caused by vibration and corrosion.
- For use with metric bolts and screws.
- Rockwell Hardness: C44-51
- Inside Diameter: Min 5.1 Max 5.4
- Outside Diameter: 9.2
$15.45
$0.1545
$0.1545
LOCK WASHER SPLIT USS ZINC #6 GR 5
LW6
- A coiled, hardened split circular washer with a slightly trapezoidal wire section.
- Applies greater bolt tension per unit of applied torque.
- Provides a hardened bearing surface and more uniform load distribution.
- Steel, zinc plated.
- Resists loosening caused by vibration and corrosion.
- Designed for use with grade 5 bolts.
- Rockwell Hardness: C38-46
- Inside Diameter: Min .141 Max .148
- Outside Diameter: 0.25
$4.60
$0.046
$0.046
LOCK WASHER SPLIT METRIC ZINC M6
LW6M
- A coiled, hardened split circular washer with a slightly trapezoidal wire section.
- Applies greater bolt tension per unit of applied torque.
- Provides a hardened bearing surface and more uniform load distribution.
- Steel, zinc plated.
- Resists loosening caused by vibration and corrosion.
- For use with metric bolts and screws.
- Rockwell Hardness: C44-51
- Inside Diameter: Min 6.1 Max 6.5
- Outside Diameter: 11.8
$21.15
$0.2115
$0.2115
LOCK WASHER SPLIT STAINLESS #6
LW6SS
- A coiled, hardened split circular washer with a slightly trapezoidal wire section.
- Applies greater bolt tension per unit of applied torque.
- Provides a hardened bearing surface and more uniform load distribution.
- Stainless Steel.
- Resists loosening caused by vibration and corrosion.
- For use with stainless nuts and screws of a similar stainless alloy.
- Rockwell Hardness: C35-43
- Inside Diameter: Min .141 Max .148
- Outside Diameter: 0.25
$6.00
$0.06
$0.06
LOCK WASHER STAINLESS 7/16"
LW76SS
- A coiled, hardened split circular washer with a slightly trapezoidal wire section.
- Applies greater bolt tension per unit of applied torque.
- Provides a hardened bearing surface and more uniform load distribution.
- Stainless Steel.
- Resists loosening caused by vibration and corrosion.
- For use with stainless nuts and screws of a similar stainless alloy.
- Rockwell Hardness: C35-43
- Inside Diameter: Min .440 Max .450
- Outside Diameter: 0.776
$34.92
$0.3492
$0.3492
LOCK WASHER SPLIT USS ZINC 7/16" GR 5
LW76
- A coiled, hardened split circular washer with a slightly trapezoidal wire section.
- Applies greater bolt tension per unit of applied torque.
- Provides a hardened bearing surface and more uniform load distribution.
- Steel, zinc plated.
- Resists loosening caused by vibration and corrosion.
- Designed for use with grade 5 bolts.
- Rockwell Hardness: C38-46
- Inside Diameter: Min .440 Max .450
- Outside Diameter: 0.776
$44.40
$0.444
$0.444
LOCK WASHER SPLIT USS ZINC 7/8" GR 5
LW78
- A coiled, hardened split circular washer with a slightly trapezoidal wire section.
- Applies greater bolt tension per unit of applied torque.
- Provides a hardened bearing surface and more uniform load distribution.
- Steel, zinc plated.
- Resists loosening caused by vibration and corrosion.
- Designed for use with grade 5 bolts.
- Rockwell Hardness: C38-46
- Inside Diameter: Min .878 Max .894
- Outside Diameter: 1.459
$33.265
$1.3306
$1.3306
LOCK WASHER SPLIT METRIC ZINC M7
LW7M
- A coiled, hardened split circular washer with a slightly trapezoidal wire section.
- Applies greater bolt tension per unit of applied torque.
- Provides a hardened bearing surface and more uniform load distribution.
- Steel, zinc plated.
- Resists loosening caused by vibration and corrosion.
- For use with metric bolts and screws.
- Rockwell Hardness: C44-51
- Inside Diameter: Min 7.1 Max 7.5
- Outside Diameter: 12.8
$19.50
$0.195
$0.195
LOCK WASHER SPLIT USS ZINC #8 GR 5
LW8
- A coiled, hardened split circular washer with a slightly trapezoidal wire section.
- Applies greater bolt tension per unit of applied torque.
- Provides a hardened bearing surface and more uniform load distribution.
- Steel, zinc plated.
- Resists loosening caused by vibration and corrosion.
- Designed for use with grade 5 bolts.
- Rockwell Hardness: C38-46
- Inside Diameter: Min .167 Max .174
- Outside Diameter: 0.293
$6.00
$0.06
$0.06
LOCK WASHER SPLIT METRIC ZINC M8
LW8M
- A coiled, hardened split circular washer with a slightly trapezoidal wire section.
- Applies greater bolt tension per unit of applied torque.
- Provides a hardened bearing surface and more uniform load distribution.
- Steel, zinc plated.
- Resists loosening caused by vibration and corrosion.
- For use with metric bolts and screws.
- Rockwell Hardness: C44-51
- Inside Diameter: Min 8.1 Max 8.5
- Outside Diameter: 14.8
$15.00
$0.15
$0.15
LOCK WASHER SPLIT STAINLESS #8"
LW8SS
- A coiled, hardened split circular washer with a slightly trapezoidal wire section.
- Applies greater bolt tension per unit of applied torque.
- Provides a hardened bearing surface and more uniform load distribution.
- Stainless Steel.
- Resists loosening caused by vibration and corrosion.
- For use with stainless nuts and screws of a similar stainless alloy.
- Rockwell Hardness: C35-43
- Inside Diameter: Min .167 Max .174
- Outside Diameter: 0.293
$8.20
$0.082
$0.082
LOCK WASHER SPLIT USS ZINC 9/16" GR 5
LW96
- A coiled, hardened split circular washer with a slightly trapezoidal wire section.
- Applies greater bolt tension per unit of applied torque.
- Provides a hardened bearing surface and more uniform load distribution.
- Steel, zinc plated.
- Resists loosening caused by vibration and corrosion.
- Designed for use with grade 5 bolts.
- Rockwell Hardness: C38-46
- Inside Diameter: Min .564 Max .574
- Outside Diameter: 0.965
$28.44
$0.5688
$0.5688
HEX NUT METRIC ZINC M10-1.50 CL 8
M10X1.5N
- A hex nut with a metric thread pitch.
- Class 8.
- Intended for use with screws and bolts of property class 8.8 or lower.
- Widely used in the automotive and electronics industry.
- Made from low carbon steel.
- Size: M10-1.50.
$17.64
$0.3528
$0.3528
HEX NUT METRIC ZINC M5-0.80 CL 8
M5X0.8N
- A hex nut with a metric thread pitch.
- Class 8.
- Intended for use with screws and bolts of property class 8.8 or lower.
- Widely used in the automotive and electronics industry.
- Made from low carbon steel.
- Size: M5-.80.
$9.20
$0.092
$0.092
HEX NUT METRIC ZINC M7-1.00 CL 8
M7X1N
- A hex nut with a metric thread pitch.
- Class 8.
- Intended for use with screws and bolts of property class 8.8 or lower.
- Widely used in the automotive and electronics industry.
- Made from low carbon steel.
- Size: M7-1.0.
$21.30
$0.213
$0.213
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