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
FLAT WASHER USS ZINC 1/4" THRU HARDENED
- Used to improve stress distribution, and to span large holes.
- USS PATTERN.
- Made from heat treated thru-hardened steel, zinc yellow.
- Outside Diameter: 3/4"
- Inside Diameter: 5/16"
FLAT WASHER USS ZINC 3/4" THRU HARDENED
- Used to improve stress distribution, and to span large holes.
- USS PATTERN.
- Made from heat treated thru-hardened steel, zinc yellow.
- Outside Diameter: 2"
- Inside Diameter: 13/16"
FLAT WASHER USS ZINC 1/2" THRU HARDENED
- Used to improve stress distribution, and to span large holes.
- USS PATTERN.
- Made from heat treated thru-hardened steel, zinc yellow.
- Outside Diameter: 1-3/8"
- Inside Diameter: 9/16"
FLAT WASHER USS ZINC 3/8" THRU HARDENED
- Used to improve stress distribution, and to span large holes.
- USS PATTERN.
- Made from heat treated thru-hardened steel, zinc yellow.
- Outside Diameter: 1"
- Inside Diameter: 7/16"
FLAT WASHER USS ZINC 5/16" THRU HARDENED
- Used to improve stress distribution, and to span large holes.
- USS PATTERN.
- Made from heat treated thru-hardened steel, zinc yellow.
- Outside Diameter: 7/8"
- Inside Diameter: 3/8"
FLAT WASHER USS ZINC 5/8" THRU HARDENED
- Used to improve stress distribution, and to span large holes.
- USS PATTERN.
- Made from heat treated thru-hardened steel, zinc yellow.
- Outside Diameter: 1-3/4"
- Inside Diameter: 11/16"
FLAT WASHER USS ZINC 7/16" THRU HARDENED
- Used to improve stress distribution, and to span large holes.
- USS PATTERN.
- Made from heat treated thru-hardened steel, zinc yellow.
- Outside Diameter: 1-1/4"
- Inside Diameter: 1/2"
FLAT WASHER USS ZINC YELLOW 7/8" THRU HARDENED
- Used to improve stress distribution, and to span large holes.
- USS PATTERN.
- Made from heat treated thru-hardened steel, zinc yellow.
- Outside Diameter: 2-1/4"
- Inside Diameter: 15/16"
FLAT WASHER USS ZINC 9/16" THRU HARDENED
- Used to improve stress distribution, and to span large holes.
- USS PATTERN.
- Made from heat treated thru-hardened steel, zinc yellow.
- Outside Diameter: 1-1/2"
- Inside Diameter: 5/8"
LOCK WASHER SPLIT USS ZINC 1" HIGH ALLOY
- 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, yellow zinc plated.
- Resists loosening caused by vibration and corrosion.
- For use with grade 8 bolts.
- Rockwell Hardness: C38-46
- Inside Diameter: Min 1.003 Max 1.024
- Outside Diameter: 1.656
LOCK WASHER SPLIT USS ZINC 1/4" HIGH ALLOY
- 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, yellow zinc plated.
- Resists loosening caused by vibration and corrosion.
- For use with grade 8 bolts.
- Rockwell Hardness: C38-46
- Inside Diameter: Min .252 Max .260
- Outside Diameter: 0.487
LOCK WASHER SPLIT USS ZINC 3/4" HIGH ALLOY
- 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, yellow zinc plated.
- Resists loosening caused by vibration and corrosion.
- For use with grade 8 bolts.
- Rockwell Hardness: C38-46
- Inside Diameter: Min .753 Max .766
- Outside Diameter: 1.265
LOCK WASHER SPLIT USS ZINC 3/8" HIGH ALLOY
- 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, yellow zinc plated.
- Resists loosening caused by vibration and corrosion.
- For use with grade 8 bolts.
- Rockwell Hardness: C38-46
- Inside Diameter: Min .377 Max .385
- Outside Diameter: 0.68
LOCK WASHER SPLIT USS ZINC 1/2" HIGH ALLOY
- 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, yellow zinc plated.
- Resists loosening caused by vibration and corrosion.
- For use with grade 8 bolts.
- Rockwell Hardness: C38-46
- Inside Diameter: Min .502 Max .512
- Outside Diameter: 0.869
LOCK WASHER SPLIT USS ZINC 5/16" HIGH ALLOY
- 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, yellow zinc plated.
- Resists loosening caused by vibration and corrosion.
- For use with grade 8 bolts.
- Rockwell Hardness: C38-46
- Inside Diameter: Min .314 Max .322
- Outside Diameter: 0.583
LOCK WASHER SPLIT USS ZINC 7/8" HIGH ALLOY
- 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, yellow zinc plated.
- Resists loosening caused by vibration and corrosion.
- For use with grade 8 bolts.
- Rockwell Hardness: C38-46
- Inside Diameter: Min .878 Max .894
- Outside Diameter: 1.459
LOCK WASHER SPLIT USS ZINC 7/16" HIGH ALLOY
- 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, yellow zinc plated.
- Resists loosening caused by vibration and corrosion.
- For use with grade 8 bolts.
- Rockwell Hardness: C38-46
- Inside Diameter: Min .440 Max .450
- Outside Diameter: 0.776
LOCK WASHER SPLIT USS ZINC 9/16" HIGH ALLOY
- 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, yellow zinc plated.
- Resists loosening caused by vibration and corrosion.
- For use with grade 8 bolts.
- Rockwell Hardness: C38-46
- Inside Diameter: Min .564 Max .574
- Outside Diameter: 0.965
LOCK WASHER SPLIT USS ZINC 5/16" HIGH ALLOY 1000/BAG
- 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, yellow zinc plated.
- Resists loosening caused by vibration and corrosion.
- For use with grade 8 bolts.
- Rockwell Hardness: C38-46
- Inside Diameter: Min .314 Max .322
- Outside Diameter: 0.583
HEX NUT UNF ZINC 1"-14 GR 8
- A finished hex nut made from low carbon steel.
- For use with grade 8 bolts.
- Proof load: 150,000 psi.
- Size: 1"-14.
- Yellow zinc plated.
HEX NUT UNC ZINC 1/2"-13 GR 8
- A finished hex nut made from low carbon steel.
- For use with grade 8 bolts.
- Proof load: 150,000 psi.
- Size: 1/2"-13.
- Yellow zinc plated.
HEX NUT UNF ZINC 1/2"-20 GR 8
- A finished hex nut made from low carbon steel.
- For use with grade 8 bolts.
- Proof load: 150,000 psi.
- Size: 1/2"-20.
- Yellow zinc plated.