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 INTERNAL ZINC #10 INTERNAL TOOTHED
ILW10
- A hardened circular washer with twisted prongs or teeth which extend inward from the inside edge of the washer.
- This style is preferred when finished appearance is crucial and the teeth must be hidden under the head of the screw
- Made from spring steel, zinc plated.
- Rockwell Hardness: C40-50.
- Inside Diameter: Min .195 Max .204
- Outside Diameter: Min .365 Max .381
- Thickness: Min .018 Max .024
$4.20
$0.042
$0.042
LOCK WASHER INTERNAL ZINC #12 INTERNAL TOOTHED
ILW12
- A hardened circular washer with twisted prongs or teeth which extend inward from the inside edge of the washer.
- This style is preferred when finished appearance is crucial and the teeth must be hidden under the head of the screw
- Made from spring steel, zinc plated.
- Rockwell Hardness: C40-50.
- Inside Diameter: Min .221 Max .231
- Outside Diameter: Min .394 Max .410
- Thickness: Min .020 Max .027
$10.60
$0.106
$0.106
LOCK WASHER INTERNAL ZINC 1/4" INTERNAL TOOTHED
ILW14
- A hardened circular washer with twisted prongs or teeth which extend inward from the inside edge of the washer.
- This style is preferred when finished appearance is crucial and the teeth must be hidden under the head of the screw
- Made from spring steel, zinc plated.
- Rockwell Hardness: C40-50.
- Inside Diameter: Min .256 Max .267
- Outside Diameter: Min .460 Max .478
- Thickness: Min .023 Max .028
$9.40
$0.094
$0.094
LOCK WASHER INTERNAL ZINC 3/4" INTERNAL TOOTHED
ILW34
- A hardened circular washer with twisted prongs or teeth which extend inward from the inside edge of the washer.
- This style is preferred when finished appearance is crucial and the teeth must be hidden under the head of the screw
- Made from spring steel, zinc plated.
- Rockwell Hardness: C40-50.
- Inside Diameter: Min .768 Max .795
- Outside Diameter: Min 1.220 Max 1.245
- Thickness: Min .047 Max .055
$41.76
$0.4176
$0.4176
LOCK WASHER INTERNAL ZINC 3/8" INTERNAL TOOTHED
ILW38
- A hardened circular washer with twisted prongs or teeth which extend inward from the inside edge of the washer.
- This style is preferred when finished appearance is crucial and the teeth must be hidden under the head of the screw
- Made from spring steel, zinc plated.
- Rockwell Hardness: C40-50.
- Inside Diameter: Min .384 Max .398
- Outside Diameter: Min .670 Max .692
- Thickness: Min .032 Max .040
$16.50
$0.165
$0.165
LOCK WASHER INTERNAL ZINC 1/2" INTERNAL TOOTHED
ILW50
- A hardened circular washer with twisted prongs or teeth which extend inward from the inside edge of the washer.
- This style is preferred when finished appearance is crucial and the teeth must be hidden under the head of the screw
- Made from spring steel, zinc plated.
- Rockwell Hardness: C40-50.
- Inside Diameter: Min .513 Max .530
- Outside Diameter: Min .867 Max .900
- Thickness: Min .037 Max .045
$25.56
$0.2556
$0.2556
LOCK WASHER INTERNAL ZINC 5/16" INTERNAL TOOTHED
ILW56
- A hardened circular washer with twisted prongs or teeth which extend inward from the inside edge of the washer.
- This style is preferred when finished appearance is crucial and the teeth must be hidden under the head of the screw
- Made from spring steel, zinc plated.
- Rockwell Hardness: C40-50.
- Inside Diameter: Min .320 Max .332
- Outside Diameter: Min .594 Max .610
- Thickness: Min .028 Max .034
$17.60
$0.176
$0.176
LOCK WASHER INTERNAL ZINC 5/8" INTERNAL TOOTHED
ILW58
- A hardened circular washer with twisted prongs or teeth which extend inward from the inside edge of the washer.
- This style is preferred when finished appearance is crucial and the teeth must be hidden under the head of the screw
- Made from spring steel, zinc plated.
- Rockwell Hardness: C40-50.
- Inside Diameter: Min .641 Max .663
- Outside Diameter: Min 1.045 Max 1.071
- Thickness: Min .042 Max .050
$29.16
$0.2916
$0.2916
LOCK WASHER INTERNAL ZINC 7/16" INTERNAL TOOTHED
ILW76
- A hardened circular washer with twisted prongs or teeth which extend inward from the inside edge of the washer.
- This style is preferred when finished appearance is crucial and the teeth must be hidden under the head of the screw
- Made from spring steel, zinc plated.
- Rockwell Hardness: C40-50.
- Inside Diameter: Min .448 Max .464
- Outside Diameter: Min .740 Max .789
- Thickness: Min .032 Max .040
$22.50
$0.225
$0.225
LOCK WASHER INTERNAL ZINC #6 INTERNAL TOOTHED
ILW6
- A hardened circular washer with twisted prongs or teeth which extend inward from the inside edge of the washer.
- This style is preferred when finished appearance is crucial and the teeth must be hidden under the head of the screw
- Made from spring steel, zinc plated.
- Rockwell Hardness: C40-50.
- Inside Diameter: Min .141 Max .150
- Outside Diameter: Min .275 Max .295
- Thickness: Min .016 Max .022
$4.00
$0.04
$0.04
RETAINING/SNAP RING INTERNAL, 1/4"
IRR14
- A ring-shaped stamping with one opening on the circumference.
- The two ends at the opening are called lugs and flare out slightly allowing for easier installation onto shaft.
- Installed axially on to a shaft.
- Allows for complete contact and tightness in a groove.
- Can be safely used in a temperature range of -100 to 500°s F.
- Carbon steel material, heat treated.
- For shaft diameter of 1/4".
$7.92
$0.3168
$0.3168
RETAINING/SNAP RING INTERNAL, 1"
IRR1
- A ring-shaped stamping with one opening on the circumference.
- The two ends at the opening are called lugs and flare out slightly allowing for easier installation onto shaft.
- Installed axially on to a shaft.
- Allows for complete contact and tightness in a groove.
- Can be safely used in a temperature range of -100 to 500°s F.
- Carbon steel material, heat treated.
- For shaft diameter of 1".
$12.175
$0.487
$0.487
RETAINING/SNAP RING INTERNAL, 11/16"
IRR1116
- A ring-shaped stamping with one opening on the circumference.
- The two ends at the opening are called lugs and flare out slightly allowing for easier installation onto shaft.
- Installed axially on to a shaft.
- Allows for complete contact and tightness in a groove.
- Can be safely used in a temperature range of -100 to 500°s F.
- Carbon steel material, heat treated.
- For shaft diameter of 11/16".
$10.065
$0.4026
$0.4026
LOCK WASHER INTERNAL ZINC #8 INTERNAL TOOTHED
ILW8
- A hardened circular washer with twisted prongs or teeth which extend inward from the inside edge of the washer.
- This style is preferred when finished appearance is crucial and the teeth must be hidden under the head of the screw
- Made from spring steel, zinc plated.
- Rockwell Hardness: C40-50.
- Inside Diameter: Min.168 Max .176
- Outside Diameter: Min .325 Max .340
- Thickness: Min .018 Max .023
$10.60
$0.106
$0.106
RETAINING/SNAP RING INTERNAL, 1/2"
IRR50
- A ring-shaped stamping with one opening on the circumference.
- The two ends at the opening are called lugs and flare out slightly allowing for easier installation onto shaft.
- Installed axially on to a shaft.
- Allows for complete contact and tightness in a groove.
- Can be safely used in a temperature range of -100 to 500°s F.
- Carbon steel material, heat treated.
- For shaft diameter of 1/2".
$12.94
$0.5176
$0.5176
RETAINING/SNAP RING INTERNAL, 3/4"
IRR34
- A ring-shaped stamping with one opening on the circumference.
- The two ends at the opening are called lugs and flare out slightly allowing for easier installation onto shaft.
- Installed axially on to a shaft.
- Allows for complete contact and tightness in a groove.
- Can be safely used in a temperature range of -100 to 500°s F.
- Carbon steel material, heat treated.
- For shaft diameter of 3/4".
$18.6375
$0.7455
$0.7455
RETAINING/SNAP RING INTERNAL, 3/8"
IRR38
- A ring-shaped stamping with one opening on the circumference.
- The two ends at the opening are called lugs and flare out slightly allowing for easier installation onto shaft.
- Installed axially on to a shaft.
- Allows for complete contact and tightness in a groove.
- Can be safely used in a temperature range of -100 to 500°s F.
- Carbon steel material, heat treated.
- For shaft diameter of 3/8".
$7.35
$0.294
$0.294
RETAINING/SNAP RING INTERNAL, 5/16"
IRR56
- A ring-shaped stamping with one opening on the circumference.
- The two ends at the opening are called lugs and flare out slightly allowing for easier installation onto shaft.
- Installed axially on to a shaft.
- Allows for complete contact and tightness in a groove.
- Can be safely used in a temperature range of -100 to 500°s F.
- Carbon steel material, heat treated.
- For shaft diameter of 5/16".
$3.90
$0.156
$0.156
RETAINING/SNAP RING INTERNAL, 5/8"
IRR58
- A ring-shaped stamping with one opening on the circumference.
- The two ends at the opening are called lugs and flare out slightly allowing for easier installation onto shaft.
- Installed axially on to a shaft.
- Allows for complete contact and tightness in a groove.
- Can be safely used in a temperature range of -100 to 500°s F.
- Carbon steel material, heat treated.
- For shaft diameter of 5/8".
$9.5425
$0.3817
$0.3817
RETAINING/SNAP RING INTERNAL, 7/16"
IRR76
- A ring-shaped stamping with one opening on the circumference.
- The two ends at the opening are called lugs and flare out slightly allowing for easier installation onto shaft.
- Installed axially on to a shaft.
- Allows for complete contact and tightness in a groove.
- Can be safely used in a temperature range of -100 to 500°s F.
- Carbon steel material, heat treated.
- For shaft diameter of 7/16".
$10.24
$0.4096
$0.4096
RETAINING/SNAP RING INTERNAL, 9/16"
IRR96
- A ring-shaped stamping with one opening on the circumference.
- The two ends at the opening are called lugs and flare out slightly allowing for easier installation onto shaft.
- Installed axially on to a shaft.
- Allows for complete contact and tightness in a groove.
- Can be safely used in a temperature range of -100 to 500°s F.
- Carbon steel material, heat treated.
- For shaft diameter of 9/16".
$8.9925
$0.3597
$0.3597
KEP NUT UNF ZINC #10-32
KN1032
- Keps nuts, also known as K lock nuts.
- A hex nut pre-assembled with a free spinning external tooth lock washer.
- The locking action is achieved when the nut is tightened against a bearing surface as the teeth of the lock washer dig into it.
- The most popular type of locknut because of its versatility, cost and ease of installation.
- Steel, zinc plated.
- Size: #10-32.
$20.25
$0.2025
$0.2025
KEP NUT UNC ZINC #10-24
KN1024
- Keps nuts, also known as K lock nuts.
- A hex nut pre-assembled with a free spinning external tooth lock washer.
- The locking action is achieved when the nut is tightened against a bearing surface as the teeth of the lock washer dig into it.
- The most popular type of locknut because of its versatility, cost and ease of installation.
- Steel, zinc plated.
- Size: #10-24.
$19.20
$0.192
$0.192
KEP NUT UNC ZINC #12-24
KN1224
- Keps nuts, also known as K lock nuts.
- A hex nut pre-assembled with a free spinning external tooth lock washer.
- The locking action is achieved when the nut is tightened against a bearing surface as the teeth of the lock washer dig into it.
- The most popular type of locknut because of its versatility, cost and ease of installation.
- Steel, zinc plated.
- Size: #12-24.
$18.00
$0.18
$0.18
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