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 NUT NYLON UNC ZINC 3/8"-16 GR 8
- Hex nut with a nylon-filled collar at its back end.
- When a screw reaches the collar, the threads and nylon engage for a tight, frictional fit.
- Restricts movement of the screw when it is subjected to vibration.
- Designed to be used in structural application with Grade 8 cap screws or bolts.
- Applications include engines, turbines, hydraulic cylinders, railroads and aerospace.
- Nylon inserts nuts are not designed to be used at temperatures over 250° F.
- Made from heat treated steel.
- Proof load: 150,000 psi.
- Size: 3/8"-16.
- Yellow zinc plated.
$0.5544
LOCK NUT NYLON UNC ZINC 5/16"-18 GR 8
- Hex nut with a nylon-filled collar at its back end.
- When a screw reaches the collar, the threads and nylon engage for a tight, frictional fit.
- Restricts movement of the screw when it is subjected to vibration.
- Designed to be used in structural application with Grade 8 cap screws or bolts.
- Applications include engines, turbines, hydraulic cylinders, railroads and aerospace.
- Nylon inserts nuts are not designed to be used at temperatures over 250° F.
- Made from heat treated steel.
- Proof load: 150,000 psi.
- Size: 5/16"-18.
- Yellow zinc plated.
$0.3396
LOCK NUT NYLON UNC ZINC 5/8"-11 GR 8
- Hex nut with a nylon-filled collar at its back end.
- When a screw reaches the collar, the threads and nylon engage for a tight, frictional fit.
- Restricts movement of the screw when it is subjected to vibration.
- Designed to be used in structural application with Grade 8 cap screws or bolts.
- Applications include engines, turbines, hydraulic cylinders, railroads and aerospace.
- Nylon inserts nuts are not designed to be used at temperatures over 250° F.
- Made from heat treated steel.
- Proof load: 150,000 psi.
- Size: 5/8"-11.
- Yellow zinc plated.
$1.3195
LOCK NUT NYLON UNF ZINC 5/8"-18 GR 8
- Hex nut with a nylon-filled collar at its back end.
- When a screw reaches the collar, the threads and nylon engage for a tight, frictional fit.
- Restricts movement of the screw when it is subjected to vibration.
- Designed to be used in structural application with Grade 8 cap screws or bolts.
- Applications include engines, turbines, hydraulic cylinders, railroads and aerospace.
$1.6562
LOCK NUT NYLON UNC ZINC 7/16"-14 GR 8
- Hex nut with a nylon-filled collar at its back end.
- When a screw reaches the collar, the threads and nylon engage for a tight, frictional fit.
- Restricts movement of the screw when it is subjected to vibration.
- Designed to be used in structural application with Grade 8 cap screws or bolts.
- Applications include engines, turbines, hydraulic cylinders, railroads and aerospace.
- Nylon inserts nuts are not designed to be used at temperatures over 250° F.
- Made from heat treated steel.
- Proof load: 150,000 psi.
- Size: 7/16"-14.
- Yellow zinc plated.
$0.6232
LOCK NUT NYLON UNC ZINC 7/8"-9 GR 8
- Hex nut with a nylon-filled collar at its back end.
- When a screw reaches the collar, the threads and nylon engage for a tight, frictional fit.
- Restricts movement of the screw when it is subjected to vibration.
- Designed to be used in structural application with Grade 8 cap screws or bolts.
- Applications include engines, turbines, hydraulic cylinders, railroads and aerospace.
- Nylon inserts nuts are not designed to be used at temperatures over 250° F.
- Made from heat treated steel.
- Proof load: 150,000 psi.
- Size: 7/8"-9.
- Yellow zinc plated.
$3.87
LOCK NUT NYLON UNF ZINC 7/8"-14 GR 8
- Hex nut with a nylon-filled collar at its back end
- When a screw reaches the collar, the threads and nylon engage for a tight, frictional fit
- Restricts movement of the screw when it is subjected to vibration.
- Designed to be used in structural application with Grade 8 cap screws or bolts
- Applications include engines, turbines, hydraulic cylinders, railroads and aerospace
- Nylon inserts nuts are not designed to be used at temperatures over 250° F
- Made from heat treated steel
- Proof load: 150,000 psi
- Size: 7/8"-14
- Yellow zinc plated
$3.6954
LOCK NUT NYLON UNC ZINC 9/16"-12 GR 8
- Hex nut with a nylon-filled collar at its back end
- When a screw reaches the collar, the threads and nylon engage for a tight, frictional fit
- Restricts movement of the screw when it is subjected to vibration.
- Designed to be used in structural application with Grade 8 cap screws or bolts
- Applications include engines, turbines, hydraulic cylinders, railroads and aerospace
- Nylon inserts nuts are not designed to be used at temperatures over 250° F
- Made from heat treated steel
- Proof load: 150,000 psi
- Size: 9/16"-12
- Yellow zinc plated
$1.3683
LOCK NUT STOVER ZINC M10-1.50
- Stover lock nuts, also called Grade C automation lock nuts.
- All metal, one-piece hex nut which derives it prevailing torque characteristics from controlled distortion of it top threads from their normal helical form to a more elliptical shape.
- Can withstand temperatures up to 450°s F.
- Can withstand severe vibration and shock loads.
- Frequently used in farm machinery, plus the automotive and related metalworking industries.
$0.7088
LOCK NUT STOVER PLAIN 1/2"-13 FLANGED
- Stover lock nuts, also called Grade C automation lock nuts.
- All metal, one-piece hex nut which derives it prevailing torque characteristics from controlled distortion of it top threads from their normal helical form to a more elliptical shape.
- Can withstand temperatures up to 450°s F.
- Can withstand severe vibration and shock loads.
- Has a flange on the bottom side of the nut for a wider bearing surface.
- Frequently used in farm machinery, plus the automotive and related metalworking industries.
- Proof load 150,000 psi.
- Plain finish.
- Size: 1/2"-13.
$2.821
LOCK NUT STOVER HEX FLANGE GR G ALL METAL 1/4"-20
- Stover lock nuts, also called Grade C automation lock nuts.
- All metal, one-piece hex nut which derives it prevailing torque characteristics from controlled distortion of it top threads from their normal helical form to a more elliptical shape.
- Can withstand temperatures up to 450°s F.
- Can withstand severe vibration and shock loads.
- Has a flange on the bottom side of the nut for a wider bearing surface.
- Frequently used in farm machinery, plus the automotive and related metalworking industries.
- Proof load 150,000 psi.
- Plain finish.
- Size: 1/4"-20.
$0.427
LOCK NUT STOVER FLANGE, GR G, 1-8
- Stover lock nuts, also called Grade C automation lock nuts.
- All metal, one-piece hex nut which derives it prevailing torque characteristics from controlled distortion of it top threads from their normal helical form to a more elliptical shape.
- Can withstand temperatures up to 450°s F.
- Can withstand severe vibration and shock loads.
- Has a flange on the bottom side of the nut for a wider bearing surface.
- Frequently used in farm machinery, plus the automotive and related metalworking industries.
- Proof load 150,000 psi.
- Plain finish.
- Size: 1"-18.
$9.1285
LOCK NUT STOVER ZINC 3/4"-10 FLANGED
- Stover lock nuts, also called Grade C automation lock nuts.
- All metal, one-piece hex nut which derives it prevailing torque characteristics from controlled distortion of it top threads from their normal helical form to a more elliptical shape.
- Can withstand temperatures up to 450°s F.
- Can withstand severe vibration and shock loads.
- Has a flange on the bottom side of the nut for a wider bearing surface.
- Frequently used in farm machinery, plus the automotive and related metalworking industries.
- Proof load 150,000 psi.
- Plain finish.
- Size: 3/4"-10.
$3.3444
LOCK NUT STOVER ZINC 5/16"-18 FLANGED
- Stover lock nuts, also called Grade C automation lock nuts.
- All metal, one-piece hex nut which derives it prevailing torque characteristics from controlled distortion of it top threads from their normal helical form to a more elliptical shape.
- Can withstand temperatures up to 450°s F.
- Can withstand severe vibration and shock loads.
- Has a flange on the bottom side of the nut for a wider bearing surface.
- Frequently used in farm machinery, plus the automotive and related metalworking industries.
- Proof load 150,000 psi.
- Plain finish.
- Size: 5/16"-18.
$0.854
