SCREWS & BOLTS
- SCREWS
- BOLTS
1"x 3-1/2"
THREADED ROD
NUTS
- HEX NUTS
  - FINISHED HEX NUTS
    - STEEL
      - 1/4" DIAMETER
        
        1/4"-20
        
        1/4"-28
      - 5/16" DIAMETER
        
        5/16"-18
        
        5/16"-24
      - 3/8" DIAMETER
        
        3/8"-16
        
        3/8"-24
      - 7/16" DIAMETER
        
        7/16"-14
        
        7/16"-20
      - 1/2" DIAMETER
        
        1/2"-13
        
        1/2"-20
      - 9/16" DIAMETER
        
        9/16"-12
        
        9/16"-18
      - 5/8" DIAMETER
        
        5/8"-11
        
        5/8"-18
      - 3/4" DIAMETER
        
        3/4"-10
        
        3/4"-16
      - 7/8" DIAMETER
        
        7/8"-9
        
        7/8"-14
      - 1" DIAMETER
        
        1"-8
        
        1"-14
      - 1-1/8" DIAMETER
        
        1-1/8"-7
        
        1-1/8"-12
      - 1-1/4" DIAMETER
        
        1-1/4"-7
        
        1-1/4"-12
      - 1-3/8" DIAMETER
        
        1-3/8"-6
        
        1-3/8"-12
      - 1-1/2" DIAMETER
        
        1-1/2"-6
        
        1-1/2"-12
      - 1-3/4" DIAMETER
        
        1-3/4"-5
        
        1-3/4"-12
      - 1-7/8" DIAMETER
        
        1-7/8"-5
      - 2" DIAMETER
        
        2"-4.5
        
        2"-12
      - 2-1/4" DIAMETER
        
        2-1/4"-4.5
        
        2-1/4"-12
      - 2-1/2" DIAMETER
        
        2-1/2"-4
        
        2-1/2"-12
      - 2-3/4" DIAMETER
        
        2-3/4"-4
        
        2-3/4"-12
      - 3" DIAMETER
        
        3"-12
    - GRADE 5
      - 1/4" DIAMETER
        
        1/4"-20
        
        1/4"-28
      - 5/16" DIAMETER
        
        5/16"-18
        
        5/16"-24
      - 3/8" DIAMETER
        
        3/8"-16
        
        3/8"-24
      - 7/16" DIAMETER
        
        7/16"-14
        
        7/16"-20
      - 1/2" DIAMETER
        
        1/2"-13
        
        1/2"-20
      - 9/16" DIAMETER
        
        9/16"-12
        
        9/16"-18
      - 5/8" DIAMETER
        
        5/8"-11
        
        5/8"-18
      - 3/4" DIAMETER
        
        3/4"-10
        
        3/4"-16
      - 7/8" DIAMETER
        
        7/8"-9
        
        7/8"-14
      - 1" DIAMETER
        
        1"-8
        
        1"-14
      - 1-1/8" DIAMETER
        
        1-1/8"-12
      - 1-1/4" DIAMETER
        
        1-1/4"-7
      - 1-1/2" DIAMETER
        
        1-1/2"-6
      - 1-3/4" DIAMETER
        
        1-3/4"-12
    - GRADE 8
      - 1/4"
        
        1/4"-20
        
        1/4"-28
      - 5/16"
        
        5/16"-18
        
        5/16"-18
      - 3/8"
        
        3/8"-16
        
        3/8"-24
      - 7/16"
        
        7/16"-14
        
        7/16"-20
      - 1/2"
        
        1/2"-13
        
        1/2"-20
      - 9/16"
        
        9/16"-12
        
        9/16"-18
      - 5/8"
        
        5/8"-11
        
        5/8"-18
      - 3/4"
        
        3/4"-10
        
        3/4"-16
      - 7/8"
        
        7/8"-9
        
        7/8"-14
      - 1"
        
        1"-8
        
        1"-14
        
        1"-12
      - 1-1/8"
        
        1-1/8"-7
        
        1-1/8"-12
      - 1-1/4"
        
        1-1/4"-7
        
        1-1/4"-12
      - 1-3/8"
        
        1-3/8"-6
        
        1-3/8"-12
      - 1-1/2"
        
        1-1/2"-6
        
        1-1/2"-12
      - 1-3/4"
        
        1-3/4"-5
        
        1-3/4"-12
      - 2"
        
        2"-4.5
        
        2"-10
      - 2-1/4"
        
        2-1/4"-4.5
        
        2-1/4"-12
      - 2-1/2"
        
        2-1/2"-4
        
        2-1/2"-12
    - STAINLESS STEEL
      - 1/4"
        
        1/4"-20
        
        1/4"-28
      - 5/16"
        
        5/16"-18
        
        5/16"-24
      - 3/8"
        
        3/8"-16
        
        3/8"-24
      - 7/16"
        
        7/16"-14
        
        7/16"-20
      - 1/2"
        
        1/2"-13
        
        1/2"-20
      - 9/16"
        
        9/16"-12
      - 5/8"
        
        5/8"-11
      - 3/4"
        
        3/4"-10
        
        3/4"-16
      - 7/8"
        
        7/8"-9
        
        7/8"-14
      - 1"
        
        1"-14
        
        1"-8
      - 1-1/8"
        
        1-1/8"-7
  - NYLON FINISHED HEX NUTS
  - MACHINE SCREW HEX NUTS
    - MACHINE SCREW HEX NUTS
      - STEEL
      - STAINLESS STEEL
      - BRASS
      - NYLON
    - SMALL-PATTERN HEX NUTS
      - STEEL
      - STAINLESS STEEL
  - HEAVY HEX NUTS
  - THIN HEX NUTS
    - JAM NUTS
    - HEAVY JAM NUTS
  - METRIC HEX NUTS
- LOCKNUTS
  - ALL METAL LOCKNUTS
    - STEEL
      - 5/16"
        
        5/16"-18
      - 3/8"
        
        3/8"-16
      - 7/16"
        
        7/16"-20
      - 9/16"
        
        9/16"-18
      - 3/4"
        
        3/4"-10
    - GRADE B
      - 1/4"
        
        1/4"-20
        
        1/4"-28
      - 5/16"
        
        5/16"-18
        
        5/16"-24
      - 3/8"
        
        3/8"-16
        
        3/8"-24
      - 7/16"
        
        7/16"-14
        
        7/16"-20
      - 1/2"
        
        1/2"-13
        
        1/2"-20
      - 9/16"
        
        9/16"-12
        
        9/16"-18
      - 5/8"
        
        5/8"-18
      - 7/8"
        
        7/8"-9
        
        7/8"-14
      - 1"
        
        1"-8
      - 1-1/2"
        
        1-1/2"-6
    - GRADE C
      - 1/4"
        
        1/4"-20
        
        1/4"-28
      - 5/16"
        
        5/16"-18
        
        5/16"-24
      - 3/8"
        
        3/8"-16
        
        3/8"-24
      - 7/16"
        
        7/16"-14
        
        7/16"-20
      - 1/2"
        
        1/2"-13
        
        1/2"-20
      - 9/16"
        
        9/16"-12
        
        9/16"-18
      - 5/8"
        
        5/8"-11
        
        5/8"-18
      - 3/4"
        
        3/4"-10
        
        3/4"-16
      - 7/8"
        
        7/8"-9
        
        7/8"-14
      - 1"
        
        1"-8
        
        1"-14
      - 1-1/8"
        
        1-1/8"-7
        
        1-1/8"-12
      - 1-1/4"
        
        1-1/4"-7
        
        1-1/4"-12
    - L9
      - 1/4"
        
        1/4"-20
        
        1/4"-28
      - 7/16"
        
        7/16"-14
    - STAINLESS STEEL
      - 3/8"
        
        3/8"-16
      - 1/2"
        
        1/2"-13
  - NYLON INSERT LOCKNUTS
    - STEEL
      - #2
        
        #2-56
      - #4
        
        #4-40
      - #5
        
        #5-40
      - #6
        
        #6-32
      - #8
        
        #8-32
      - #10
        
        #10-24
        
        #10-32
      - #12
        
        #12-24
      - 1/4"
        
        1/4"-20
        
        1/4"-28
      - 5/16"
        
        5/16"-18
        
        5/16"-24
      - 3/8"
        
        3/8"-16
        
        3/8"-24
      - 7/16"
        
        7/16"-14
        
        7/16"-20
      - 1/2"
        
        1/2"-13
        
        1/2"-20
      - 9/16"
        
        9/16"-12
        
        9/16"-18
      - 5/8"
        
        5/8"-11
        
        5/8"-18
      - 3/4"
        
        3/4"-10
        
        3/4"-16
      - 7/8"
        
        7/8"-9
        
        7/8"-14
      - 1"
        
        1"-8
        
        1"-14
      - 1-1/8"
        
        1-1/8"-7
        
        1-1/8"-12
      - 1-1/4"
        
        1-1/4"-7
        
        1-1/4"-12
      - 1-3/8"
        
        1-3/8"-6
      - 1-1/2"
        
        1-1/2"-6
        
        1-1/2"-12
    - GRADE 8
      - 1/4"
        
        1/4"-20
        
        1/4"-28
      - 5/16"
        
        5/16"-18
        
        5/16"-24
      - 3/8"
        
        3/8"-16
        
        3/8"-24
      - 7/16"
        
        7/16"-14
        
        7/16"-20
      - 1/2"
        
        1/2"-13
        
        1/2"-20
      - 9/16"
        
        9/16"-12
        
        9/16"-18
      - 5/8"
        
        5/8"-11
      - 3/4"
        
        3/4"-10
        
        3/4"-16
      - 7/8"
        
        7/8"-9
      - 1"
        
        1"-8
        
        1"-14
    - STAINLESS STEEL
      - #4
        
        #4-40
      - #6
        
        #6-32
      - #8
        
        #8-32
      - #10
        
        #10-24
        
        #10-32
      - #12
        
        #12-24
      - 1/4"
        
        1/4"-20
        
        1/4"-28
      - 5/16"
        
        5/16"-18
        
        5/16"-24
      - 3/8"
        
        3/8"-16
        
        3/8"-24
      - 7/16"
        
        7/16"-14
        
        7/16"-20
      - 1/2"
        
        1/2"-13
        
        1/2"-20
      - 9/16"
        
        9/16"-12
      - 5/8"
        
        5/8"-11
      - 3/4"
        
        3/4"-10
      - 1"
        
        1"-8
    - METRIC NYLON INSERT LOCKNUTS
  - NYLON INSERT HEAVY LOCKNUTS
  - NYLON INSERT THIN LOCKNUTS
    - STEEL
    - STAINLESS STEEL
  - FLEX LOCKNUTS
  - KEP LOCKNUTS
    - STEEL
    - STAINLESS STEEL
  - FLANGE LOCKNUTS
- CASTLE & SLOTTED NUTS
  - CASTLE NUTS
    - STANDARD
      - 1/4"
      - 5/16"
      - 3/8"
      - 7/16"
      - 1/2"
      - 9/16"
      - 5/8"
      - 3/4"
      - 7/8"
      - 1"
      - 1-1/8"
      - 1-1/4"
      - 1-3/8"
    - GRADE 5
      - 1/2"
      - 9/16"
    - STAINLESS STEEL
      - 3/8"
      - 7/16"
      - 1/2"
    - METRIC
  - SLOTTED HEX NUTS
    - STANDARD
    - METRIC
- FLANGE NUTS
  - EASY ON FLANGE LOCKNUTS
  - SERRATED FLANGE LOCKNUTS
  - LARGE SERRATED FLANGE LOCKNUTS
  - FLANGE LOCKNUTS
- COUPLING NUTS
  - COUPLING NUTS
  - HIGH HEX NUTS
- ACORN NUTS
  - ACORN NUTS
- SQUARE NUTS
  - SQUARE NUTS
  - MACHINE SCREW SQUARE NUTS
  - METRIC SQUARE NUTS
- WING NUTS
  - WING NUTS
  - METRIC WING NUTS
  - LIGHT DUTY WING NUTS
  - FLANGE WING NUTS
- TAMPER RESISTANT NUTS
- CAPTIVE NUTS
- TEE NUTS
- ALLEN NUTS
- ACME NUTS
- PANEL & CONDUIT NUTS
- BARREL NUTS
- BALL NUTS
- PUSH NUTS
- SPEED NUTS
- CLIP NUTS
- T-SLOT NUTS
- EYE NUTS
- LUG NUTS
- WIRE NUTS
- PIPE LOCKNUTS
- WELD NUTS
WASHERS
- USS WASHERS
  - GRADE 8 (ALLOY)
    - PLAIN
      - 1-1/8"
      - 1-1/4"
      - 1-1/2"
      - 2"
    - ZINC YELLOW
      - 1/4"
      - 5/16"
      - 3/8"
      - 7/16"
      - 1/2"
      - 9/16"
      - 5/8"
      - 3/4"
      - 7/8"
      - 1"
      - 1-1/8"
      - 1-1/4"
      - 1-3/8"
      - 1-1/2"
  - STEEL
    - PLAIN
      - 1/4"
      - 5/16"
      - 3/8"
      - 7/16"
      - 1/2"
      - 9/16"
      - 5/8"
      - 3/4"
      - 7/8"
      - 1"
      - 1-1/8"
      - 1-1/4"
      - 1-3/8"
      - 1-1/2"
      - 1-3/4"
      - 2"
      - 2-1/4"
      - 2-1/2"
      - 2-3/4"
      - 3"
    - ZINC
      - #10
      - #12
      - 1/4"
      - 5/16"
      - 3/8"
      - 7/16"
      - 1/2"
      - 9/16"
      - 5/8"
      - 3/4"
      - 7/8"
      - 1"
      - 1-1/8"
      - 1-1/4"
      - 1-3/8"
      - 1-1/2"
      - 1-5/8"
      - 2-1/2"
    - GALVANIZED
      - 3/8"
      - 1/2"
      - 5/8"
      - 3/4"
      - 7/8"
      - 1"
      - 1-1/8"
    - BLACK OXIDE
      - #10
      - 1/4"
      - 5/16"
      - 3/8"
      - 1/2"
  - STAINLESS STEEL
    - 316 STAINLESS STEEL
      - 1/4"
      - 5/16"
      - 3/8"
      - 7/16"
      - 1/2"
      - 5/8"
      - 3/4"
      - 1"
    - 18-8 STAINLESS STEEL
      - #10
      - 1/4"
      - 5/16"
      - 3/8"
      - 7/16"
      - 1/2"
      - 9/16"
      - 5/8"
      - 3/4"
      - 7/8"
      - 1"
      - 1-1/8"
      - 1-1/4"
      - 1-1/2"
  - ALUMINUM
    - 1/4"
    - 5/16"
    - 3/8"
    - 1/2"
  - COPPER
    - 1/4"
    - 5/16"
    - 3/8"
    - 7/16"
    - 1/2"
    - 5/8"
  - BRASS
    - #10
    - 1/4"
    - 5/16"
    - 3/8"
    - 7/16"
    - 1/2"
  - SILICON BRONZE
    - 1/4"
    - 5/16"
    - 3/8"
    - 1/2"
    - 5/8"
  - NYLON
    - 1/4"
    - 5/16"
    - 3/8"
- SAE WASHERS
  - GRADE 8 (ALLOY)
    - PLAIN
      - 1"
    - ZINC YELLOW
      - 1/4"
      - 5/16"
      - 3/8"
      - 7/16"
      - 1/2"
      - 9/16"
      - 5/8"
      - 3/4"
      - 7/8"
      - 1"
      - 1-1/8"
      - 1-1/4"
      - 1-3/8"
      - 1-1/2"
      - 2-1/4"
  - STEEL
    - PLAIN
      - #4
      - #6
      - 1/4"
      - 5/16"
      - 3/8"
      - 7/16"
      - 1/2"
      - 9/16"
      - 5/8"
      - 3/4"
      - 7/8"
      - 1"
      - 1-1/8"
      - 1-1/4"
      - 1-3/8"
      - 1-1/2"
    - ZINC
      - #2
      - #3
      - #4
      - #5
      - #6
      - #8
      - #10
      - #12
      - 1/4"
      - 5/16"
      - 3/8"
      - 7/16"
      - 1/2"
      - 9/16"
      - 5/8"
      - 3/4"
      - 7/8"
      - 1"
      - 1-1/8"
      - 1-1/4"
      - 1-3/8"
    - BLACK OXIDE
      - #4
      - #10
      - #12
  - STAINLESS STEEL
    - #3
    - #4
    - #6
    - #8
    - #10
    - #12
    - 1/4"
    - 5/16"
    - 3/8"
    - 7/16"
    - 1/2"
    - 9/16"
    - 5/8"
    - 3/4"
    - 7/8"
    - 1"
  - BRASS
    - #2
    - #4
    - #5
    - #6
    - #8
    - #12
    - 1/4"
    - 5/16"
  - NYLON
    - #2
    - #6
    - #8
    - #10
    - 1/4"
    - 5/16"
    - 3/8"
    - 7/16"
    - 1/2"
    - 5/8"
- SPLIT LOCK WASHERS
  - GRADE 8 (ALLOY)
    - PLAIN
      - 3/8"
      - 1-1/8"
      - 1-1/4"
      - 1-1/2"
    - ZINC YELLOW
      - 1/4"
      - 5/16"
      - 3/8"
      - 7/16"
      - 1/2"
      - 9/16"
      - 5/8"
      - 3/4"
      - 7/8"
      - 1"
      - 1-1/8"
      - 1-3/8"
      - 1-1/2"
  - STEEL
    - PLAIN
      - #6
      - #10
      - 1/4"
      - 5/16"
      - 3/8"
      - 7/16"
      - 1/2"
      - 9/16"
      - 5/8"
      - 3/4"
      - 7/8"
      - 1"
      - 1-1/8"
      - 1-1/4"
      - 1-3/8"
      - 1-1/2"
      - 2"
      - 2-1/4"
      - 2-1/2"
      - 3"
    - ZINC
      - #2
      - #4
      - #5
      - #6
      - #8
      - #10
      - #12
      - 1/4"
      - 5/16"
      - 3/8"
      - 7/16"
      - 1/2"
      - 9/16"
      - 5/8"
      - 3/4"
      - 7/8"
      - 1"
      - 1-1/8"
      - 1-1/4"
      - 1-3/8"
      - 1-1/2"
    - GALVANIZED
      - 5/16"
      - 1/2"
      - 5/8"
      - 3/4"
  - STAINLESS STEEL
    - 316 STAINLESS STEEL
      - 1/4"
      - 5/16"
      - 3/8"
      - 7/16"
      - 1/2"
      - 5/8"
      - 3/4"
      - 7/8"
      - 1-1/8"
    - 18-8 STAINLESS STEEL
      - #4
      - #6
      - #8
      - #10
      - #12
      - 1/4"
      - 5/16"
      - 3/8"
      - 7/16"
      - 1/2"
      - 9/16"
      - 5/8"
      - 3/4"
      - 7/8"
      - 1"
  - SILICON BRONZE
    - #4
    - #6
    - #8
    - #10
    - 1/4"
    - 5/16"
    - 3/8"
    - 1/2"
    - 3/4"
- METRIC WASHERS
  - METRIC USS WASHERS
    - M2
    - M2.5
    - M3
    - M3.5
    - M4
    - M5
    - M6
    - M7
    - M8
    - M10
    - M12
    - M14
    - M16
    - M18
    - M20
    - M22
    - M24
    - M30
    - M36
  - METRIC SAE WASHERS
    - M14
    - M20
  - METRIC LOCK WASHERS
    - M2
    - M3
    - M4
    - M5
    - M6
    - M7
    - M8
    - M10
    - M12
    - M14
    - M16
    - M18
    - M20
    - M24
    - M30
  - METRIC SAE THRU-HARDENED THICK
    - M3
    - M4
    - M5
    - M6
    - M8
    - M10
    - M12
    - M20
- USS THRU-HARDENED THICK
  - GRADE 8 (ALLOY)
    - 1/4"
    - 5/16"
    - 3/8"
    - 7/16"
    - 1/2"
    - 9/16"
    - 5/8"
    - 3/4"
    - 7/8"
    - 1"
- SAE THRU-HARDENED THICK
  - GRADE 8 (ALLOY)
    - 1/4"
    - 5/16"
    - 3/8"
    - 7/16"
    - 1/2"
    - 9/16"
    - 5/8"
    - 3/4"
    - 7/8"
    - 1"
    - 1-1/8"
    - 1-1/2"
PINS
ABRASIVES & POLISHING
SERVICE PARTS
AUVECO PRODUCTS
NATIONAL HARDWARE

FLAT HEAD

FLAT HD SOCKET CAP SCREWS

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#4 DIAMETER #4 FLAT HD SOCKET CAP SCREWS Shop Now

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