UNF Bolts & Screws

UNF (Unified Fine) Bolts & Screws

UNF (Unified Fine) threaded fasteners were phased in on BSA, Norton, and Triumph motorcycles produced in the late 1960's and onwards. Used where both bolt and nut were made of steel. Also at this time most screws and bolts that threaded directly into alloy castings changed to UNC (Unified Coarse) threads for better holding power in the softer material.

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  • 14-0234 Bolt
    14-0234 Bolt
    Diameter ⌀: 3/8 inch
    Length UH: 1&3/4 inch
    Thread Form: UNF 24tpi
    Hex Size: 9/16 inch AF
    Finish: Plated
    NZ$ 3.15 each
    NZ$ 2.85 each
  • 14-0235 Bolt
    14-0235 Bolt
    Diameter ⌀: 3/8 inch
    Length UH: 2 inch
    Thread Form: UNF 24tpi
    Hex Size: 9/16 inch AF
    Finish: Plated
    NZ$ 3.15 each
    NZ$ 2.85 each
  • 14-0236 Bolt
    14-0236 Bolt
    Diameter ⌀: 3/8 inch
    Length UH: 2&1/4 inch
    Thread Form: UNF 24tpi
    Hex Size: 9/16 inch AF
    Finish: Plated
    NZ$ 3.15 each
    NZ$ 2.85 each
  • 14-0237 Bolt
    14-0237 Bolt
    Diameter ⌀: 3/8 inch
    Length UH: 2&1/2 inch
    Thread Form: UNF 24tpi
    Hex Size: 9/16 inch AF
    Finish: Plated
    NZ$ 3.15 each
    NZ$ 2.85 each
  • 14-0238 Bolt
    14-0238 Bolt
    Diameter ⌀: 3/8 inch
    Length UH: 2&3/4 inch
    Thread Form: UNF 24tpi
    Hex Size: 9/16 inch AF
    Finish: Plated
    NZ$ 3.15 each
    NZ$ 2.85 each
  • 14-0239 Bolt
    14-0239 Bolt
    Diameter ⌀: 3/8 inch
    Length UH: 3 inch
    Thread Form: UNF 24tpi
    Hex Size: 9/16 inch AF
    Finish: Plated
    NZ$ 3.15 each
    NZ$ 2.85 each
  • 14-0240 Bolt
    14-0240 Bolt
    Diameter ⌀: 3/8 inch
    Length UH: 3&1/4 inch
    Thread Form: UNF 24tpi
    Hex Size: 9/16 inch AF
    Finish: Plated
    NZ$ 3.15 each
    NZ$ 2.85 each
  • 14-0241 Bolt
    14-0241 Bolt
    Diameter ⌀: 3/8 inch
    Length UH: 3&1/2 inch
    Thread Form: UNF 24tpi
    Hex Size: 9/16 inch AF
    Finish: Plated
    NZ$ 3.40 each
    NZ$ 3.05 each
  • 14-0242 Bolt
    14-0242 Bolt
    Diameter ⌀: 3/8 inch
    Length UH: 4 inch
    Thread Form: UNF 24tpi
    Hex Size: 9/16 inch AF
    Finish: Plated
    NZ$ 3.40 each
    NZ$ 3.05 each
  • 14-0243 Bolt
    14-0243 Bolt
    Diameter ⌀: 3/8 inch
    Length UH: 4&1/2 inch
    Thread Form: UNF 24tpi
    Hex Size: 9/16 inch AF
    Finish: Plated
    NZ$ 6.95 each
    NZ$ 6.30 each
  • 14-0246 Bolt
    14-0246 Bolt
    Diameter ⌀: 7/16 inch
    Length UH: 1&1/2 inch
    Thread Form: UNF 20tpi
    Hex Size: 5/8 inch AF
    Finish: Plated
    NZ$ 3.75 each
    NZ$ 3.35 each
  • 14-0250 Bolt
    14-0250 Bolt
    Diameter ⌀: 7/16 inch
    Length UH: 2&1/2 inch
    Thread Form: UNF 20tpi
    Hex Size: 5/8 inch AF
    Finish: Plated
    NZ$ 3.75 each
    NZ$ 3.35 each
  • 14-0251 Bolt
    14-0251 Bolt
    Diameter ⌀: 7/16 inch
    Length UH: 2&3/4 inch
    Thread Form: UNF 20tpi
    Hex Size: 5/8 inch AF
    Finish: Plated
    NZ$ 3.75 each
    NZ$ 3.35 each
  • 14-0252 Bolt
    14-0252 Bolt
    Diameter ⌀: 7/16 inch
    Length UH: 3 inch
    Thread Form: UNF 20tpi
    Hex Size: 5/8 inch AF
    Finish: Plated
    NZ$ 6.05 each
    NZ$ 5.45 each
  • 14-0254 Bolt
    14-0254 Bolt
    Diameter ⌀: 7/16 inch
    Length UH: 3&1/2 inch
    Thread Form: UNF 20tpi
    Hex Size: 5/8 inch AF
    Finish: Plated
    NZ$ 6.05 each
    NZ$ 5.45 each
  • 14-0255 Bolt
    14-0255 Bolt
    Diameter ⌀: 7/16 inch
    Length UH: 4 inch
    Thread Form: UNF 20tpi
    Hex Size: 5/8 inch AF
    Finish: Plated
    NZ$ 6.05 each
    NZ$ 5.45 each
  • 14-0258 Bolt
    14-0258 Bolt
    Diameter ⌀: 1/2 inch
    Length UH: 1 inch
    Thread Form: UNF 20tpi
    Hex Size: 3/4 inch AF
    Finish: Plated
    NZ$ 3.40 each
    NZ$ 3.05 each
  • 14-0259 Bolt
    14-0259 Bolt
    Diameter ⌀: 1/2 inch
    Length UH: 1&3/4 inch
    Thread Form: UNF 20tpi
    Hex Size: 3/4 inch AF
    Finish: Plated
    NZ$ 3.95 each
    NZ$ 3.60 each
  • 14-0261 Bolt
    14-0261 Bolt
    Diameter ⌀: 1/2 inch
    Length UH: 2&1/4 inch
    Thread Form: UNF 20tpi
    Hex Size: 3/4 inch AF
    Finish: Plated
    NZ$ 4.90 each
    NZ$ 4.40 each
  • 14-0262 Bolt
    14-0262 Bolt
    Diameter ⌀: 1/2 inch
    Length UH: 2&1/2 inch
    Thread Form: UNF 20tpi
    Hex Size: 3/4 inch AF
    Finish: Plated
    NZ$ 4.90 each
    NZ$ 4.40 each
  • 14-0503 Screw
    14-0503 Screw
    Diameter ⌀: 1/4 inch
    Length OA: 5/8 inch
    Thread Form: UNF 28tpi
    Head Style: Countersunk Posidriv
    Finish: Plated
    NZ$ 2.00 each
    NZ$ 1.80 each
  • 14-0604 Screw
    14-0604 Screw
    Diameter ⌀: 1/4 inch
    Length UH: 1/2 inch
    Thread Form: UNF 28tpi
    Head Style: Fillister Posidriv
    Finish: Plated
    NZ$ 1.25 each
    NZ$ 1.15 each
  • 14-0605 Screw
    14-0605 Screw
    Diameter ⌀: 1/4 inch
    Length UH: 5/8 inch
    Thread Form: UNF 28tpi
    Head Style: Fillister Posidriv
    Finish: Plated
    NZ$ 1.45 each
    NZ$ 1.30 each
  • 14-1018 Screw
    14-1018 Screw
    Diameter ⌀: 5/16 inch
    Length UH: 3/4 inch
    Thread Form: UNF 24tpi
    Head Style: Allen Cap
    Finish: Plated
    NZ$ 1.40
    NZ$ 1.25
  • 14-1019 Screw
    14-1019 Screw
    Diameter ⌀: 5/16 inch
    Length UH: 7/8 inch
    Thread Form: UNF 24tpi
    Head Style: Allen Cap
    Finish: Plated
    NZ$ 1.40
    NZ$ 1.25
  • 14-1022 Screw
    14-1022 Screw
    Diameter ⌀: 5/16 inch
    Length UH: 1&1/2 inch
    Thread Form: UNF 24tpi
    Head Style: Allen Cap
    Finish: Plated
    NZ$ 2.45
    NZ$ 2.20
  • 14-1034 Bolt
    14-1034 Bolt
    Diameter ⌀: 3/8 inch
    Length UH: 1&1/4 inch
    Thread Form: UNF 24tpi
    Head Style: Allen Cap
    Finish: Plated
    NZ$ 2.15
    NZ$ 1.90
  • 14-2203 Screw
    14-2203 Screw
    Diameter ⌀: 1/4 inch
    Length UH: 3/8 inch
    Thread Form: UNF 28tpi
    Head Style: Pan Pozidriv
    Finish: Plated
    NZ$ 1.70
    NZ$ 1.55
  • 14-2205 Screw
    14-2205 Screw
    Diameter ⌀: 1/4 inch
    Length UH: 5/8 inch
    Thread Form: UNF 28tpi
    Head Style: Pan Pozidriv
    Finish: Chrome Plated
    NZ$ 2.25
    NZ$ 2.00
  • 14-2206 Screw
    14-2206 Screw
    Diameter ⌀: 1/4 inch
    Length UH: 3/4 inch
    Thread Form: UNF 28tpi
    Head Style: Pan Pozidriv
    Finish: Plated
    NZ$ 1.05
    NZ$ 0.95
  • 14-2219 Screw
    14-2219 Screw
    Diameter ⌀: 5/16 inch
    Length UH: 1/2 inch
    Thread Form: UNF 24tpi
    Head Style: Pan Pozidriv
    Finish: Chrome Plated
    Fits: T140 Silver Jubilee
    NZ$ 2.15
    NZ$ 1.90
  • 21-0541 Bolt
    21-0541 Bolt
    Kickstart Pedal Bolt
    Triumph
    NZ$ 9.45
    NZ$ 8.50
  • 21-0543 Drain Plug
    21-0543 Drain Plug
    Level Drain Plug
    Gearbox
    Diameter ⌀: 1/4 inch
    Length UH: 1/4 inch
    Thread Form: UNF 28tpi
    Hex Size: 7/16 inch AF
    aka: S543
    NZ$ 1.90
    NZ$ 1.70
  • 21-0578 Grub Screw
    21-0578 Grub Screw
    Grub Screw
    Steering Lock Triumph
    Diameter ⌀: 1/4 inch
    Length UH: snap off
    Thread Form: UNF 28tpi
    aka: S578
    NZ$ 3.75
    NZ$ 3.40
  • 21-0579 Bolt
    21-0579 Bolt
    Right Side Bolt
    Swing Arm Pivot
    Triumph T100
    NZ$ 17.40
    NZ$ 15.65
  • 21-0580 Bolt
    21-0580 Bolt
    Left Side Bolt
    Swing Arm Pivot
    Triumph T100
    NZ$ 4.85
    NZ$ 4.35
  • 21-0588 Bolt
    21-0588 Bolt
    Rocker Box to Frame Bolt
    1971 Triumph 650
    Diameter ⌀: 7/16 inch
    Length UH: 1&1/4 inch
    Thread Form: UNF 20tpi
    Hex Size: 5/8 inch AF
    Finish: Plated
    NZ$ 3.15
    NZ$ 2.85
  • 21-0589
    21-0589
    BOLT,HANDLEBAR MOUNT
    NZ$ 4.30
    NZ$ 3.90
  • 21-0590
    21-0590
    BOLT,INSTR MT,UNF,T100/120
    NZ$ 4.55
    NZ$ 4.10
  • 21-0620
    21-0620
    BOLT,SWINGARM,T120/T150
    NZ$ 54.95
    NZ$ 49.45
  • 21-0671
    21-0671
    BOLT,3/8X24X3.875
    NZ$ 2.95
    NZ$ 2.65
  • 21-0684 Bolt
    21-0684 Bolt
    Pinch Bolt
    Top Yoke
    Triumph BSA
    NZ$ 3.10
    NZ$ 2.80
  • 21-0761 Screw
    21-0761 Screw
    Diameter ⌀: 1/4 inch
    Length UH: 5/8 inch
    Thread Form: UNF 28tpi
    Head Style: Pan Head Posidriv
    Finish: Plated
    NZ$ 1.05
    NZ$ 0.95
  • 21-0762 Screw
    21-0762 Screw
    Instrument Panel Screw
    Diameter ⌀: 1/4 inch
    Length UH: 3/8 inch
    Thread Form: UNF 28tpi
    Head Style: Pan Head Posidriv
    Finish: Plated
    NZ$ 2.05
    NZ$ 1.85
  • 21-0767 Screw
    21-0767 Screw
    Side Panel Screw BSA
    Diameter ⌀: 1/4 inch
    Length UH: 7/16 inch
    Thread Form: UNF 28tpi
    Head Style: Slotted Button Head
    Finish: Plated
    NZ$ 5.35
    NZ$ 4.80
  • 21-0774 Screw
    21-0774 Screw
    Diameter ⌀: 3/16 inch
    Length UH: 5/8 inch
    Thread Form: 10-32 UNF 28tpi
    Head Style: Fillister Posidriv
    Finish: Plated
    NZ$ 0.80
    NZ$ 0.70
  • 21-1805 Bolt
    21-1805 Bolt
    Oil Cooler Bolt
    Triumph BSA Triple
    Diameter ⌀: 5/16 inch
    Length UH: 2&1/8 inch
    Thread Form: UNF 24tpi
    Hex Size: 1/2 inch AF
    Finish: Plated
    NZ$ 1.90
    NZ$ 1.70
  • 21-1811 Screw
    21-1811 Screw
    Diameter ⌀: 1/4 inch
    Length OA: 9/16 inch
    Thread Form: UNF 28tpi
    Head Style: Slotted Countersunk
    Finish: Plated
    NZ$ 1.60
    NZ$ 1.45
  • 21-1822 Bolt
    21-1822 Bolt
    Mounting Bolt
    Diameter ⌀: 5/16 inch
    Length UH: 1/2 inch
    Thread Form: UNF 24tpi
    Hex Size: 1/2 inch AF
    Finish: Plated
    NZ$ 0.95
    NZ$ 0.85
  • 21-1823 Bolt
    21-1823 Bolt
    Centre Tank Bolt
    Diameter ⌀: 5/16 inch
    Length UH: 3&3/4 inch
    Thread Form: UNF 24tpi
    Hex Size: 1/2 inch AF
    Finish: Plated
    NZ$ 5.85
    NZ$ 5.25

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