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Spacers by Outer Diameter

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  1. Aluminum Spacer 1/2 OD x 8mm or 5/16 ID x .402 Long

    Aluminum Spacer 1/2 OD x .319 ID x .402 Long

    $1.50 As low as: $0.21

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  2. Aluminum Spacer 1/2 OD x 8mm or 5/16 ID x .403 Long

    Aluminum Spacer 1/2 OD x .319 ID x .403 Long

    $1.07 As low as: $0.103

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  3. Aluminum Spacer 1/2 OD x 8mm or 5/16 ID x .405 Long

    Aluminum Spacer 1/2 OD x .319 ID x .405 Long

    $1.50 As low as: $0.36

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  4. Aluminum Spacer 1/2 OD x 5/16 or 8mm ID x 13/32 Long

    Aluminum Spacer 1/2 OD x .319 ID x 13/32 Long

    $1.50 As low as: $0.145

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  5. Aluminum Spacer 1/2 OD x 8mm or 5/16 ID x .410 Long

    Aluminum Spacer 1/2 OD x .319 ID x .410 Long

    $2.08 As low as: $0.22

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  6. Aluminum Spacer 1/2 OD x 5/16 or 8mm ID x 7/16 Long

    Aluminum Spacer 1/2 OD x .319 ID x 7/16 Long

    $1.35 As low as: $0.14

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  7. Aluminum Spacer 1/2 OD x 5/16 or 8mm ID x .450 Long

    Aluminum Spacer 1/2 OD x .319 ID x .450 Long

    $0.96 As low as: $0.13

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  8. Aluminum Spacer 1/2 OD x 5/16 or 8mm ID x 15/32 Long

    Aluminum Spacer 1/2 OD x .319 ID x 15/32 Long

    $1.57 As low as: $0.153

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  9. Aluminum Spacer 1/2 OD x .319 ID x 1/2 Long

    Aluminum Spacer 1/2 OD x .319 ID x 1/2 Long

    $1.42 As low as: $0.13

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  10. Aluminum Spacer 1/2 OD x 5/16 or 8mm ID x 17/32 Long

    Aluminum Spacer 1/2 OD x .319 ID x 17/32 Long

    $1.85 As low as: $0.17

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  11. Aluminum Spacer 1/2 OD x 8mm or 5/16 ID x 14M Long

    Aluminum Spacer 1/2 OD x .319 ID x 14M Long

    $1.20 As low as: $0.139

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  12. Aluminum Spacer 1/2 OD x .319 ID x 14.1M Long

    Aluminum Spacer 1/2 OD x .319 ID x 14.1M Long

    $1.20 As low as: $0.53

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  13. Aluminum Spacer 1/2 OD x 5/16 or 8mm ID x 9/16 Long

    Aluminum Spacer 1/2 OD x .319 ID x 9/16 Long

    $1.68 As low as: $0.163

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  14. Aluminum Spacer 1/2 OD x 5/16 or 8mm ID x 5/8 Long

    Aluminum Spacer 1/2 OD x .319 ID x 5/8 Long

    $1.54 As low as: $0.16

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  15. Aluminum Spacer 1/2 OD x 5/16 or 8mm ID x 11/16 Long

    Aluminum Spacer 1/2 OD x .319 ID x 11/16 Long

    $1.82 As low as: $0.178

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  16. Aluminum Spacer 1/2 OD x 5/16 or 8mm ID x 3/4 Long

    Aluminum Spacer 1/2 OD x .319 ID x 3/4 Long

    $1.67 As low as: $0.173

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  17. Aluminum Spacer 1/2 OD x 5/16 or 8mm ID x 3/4 Long

    Aluminum Spacer 1/2 OD x .319 ID x 3/4 Long-Seconds

    $1.12 As low as: $0.131

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  18. Aluminum Spacer 1/2 OD x 5/16 or 8mm ID x 20mm Long

    Aluminum Spacer 1/2 OD x .319 ID x 20mm Long

    $1.98 As low as: $0.192

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  19. Aluminum Spacer 1/2 OD x 5/16 or 8mm ID x 13/16 Long

    Aluminum Spacer 1/2 OD x .319 ID x 13/16 Long

    $1.98 As low as: $0.192

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  20. Aluminum Spacer 1/2 OD x 5/16 or 8mm ID x 7/8 Long

    Aluminum Spacer 1/2 OD x .319 ID x 7/8 Long

    $1.80 As low as: $0.187

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  21. Aluminum Spacer 1/2 OD x 5/16 or 8mm ID x 15/16 Long

    Aluminum Spacer 1/2 OD x .319 ID x 15/16 Long

    $2.12 As low as: $0.206

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  22. Aluminum Spacer 1/2 OD x 5/16 or 8mm ID x 1.000 Long

    Aluminum Spacer 1/2 OD x .319 ID x 1.000 Long

    $1.92 As low as: $0.20

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  23. Aluminum Spacer 1/2 OD x 5/16 or 8mm ID x 1-1/16 Long

    Aluminum Spacer 1/2 OD x .319 ID x 1-1/16 Long

    $2.55 As low as: $0.234

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  24. Aluminum Spacer 1/2 OD x 5/16 or 8mm ID x 1-1/8 Long

    Aluminum Spacer 1/2 OD x .319 ID x 1-1/8 Long

    $2.34 As low as: $0.228

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  25. Aluminum Spacer 1/2 OD x 5/16 or 8mm ID x 1 5/32

    Aluminum Spacer 1/2 OD x .319 ID x 1 5/32

    $2.50 As low as: $0.284

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Items 26 to 50 of 57 total

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Currently Shopping by:

  1. Category: 1/2" (12.7mm) Outer Diameter Remove This Item
  2. Bolt Hole Size / Inner DIameter: For 5/16" or 8mm Bolts Remove This Item
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Outer Diameter
  1. 1/2 in.---------12.7mm (57)
Length Decimal/Fraction/Metric
  1. 0.0625 in.---1/16--1.59mm (1)
  2. 0.078 in.----5/64---1.97mm (1)
  3. 0.094 in.----3/32---2.38mm (1)
  4. 0.118 in.-------------3mm (2)
  5. 0.125 in.-----1/8----3.18mm (1)
  6. 0.141 in.----9/64---3.58mm (1)
  7. 0.156 in.----5/32---3.96mm (1)
  8. 0.172 in.---11/64---4.37mm (1)
  9. 0.1875 in.---3/16---4.76mm (1)
  10. 0.203 in.---13/64---5.16mm (1)
  11. 0.219 in.----7/32----5.56mm (1)
  12. 0.2345 in.--15/64--5.95mm (1)
  13. 0.250 in.-----1/4----6.35mm (1)
  14. 0.2655 in.--17/64--6.75mm (1)
  15. 0.281 in.----9/32---7.14mm (1)
  16. 0.297 in.---19/64---7.54mm (1)
  17. 0.3125 in.---5/16---7.94mm (1)
  18. 0.328 in.---21/64---8.33mm (1)
  19. 0.344 in.---11/32---8.74mm (1)
  20. 0.354 in.-------------9mm (1)
  21. 0.375 in.-----3/8----9.53mm (1)
  22. 0.380 in.-------------9.65mm (1)
  23. 0.394 in.-------------10mm (2)
  24. 0.402 in.-------------10.21mm (1)
  25. 0.403 in.-------------10.24mm (1)
  26. 0.405 in.-------------10.28mm (1)
  27. 0.406 in.---13/32---10.31mm (1)
  28. 0.410 in.-------------10.41mm (1)
  29. 0.4375 in.---7/16---11.11mm (1)
  30. 0.450 in.-------------11.43mm (1)
  31. 0.469 in.---15/32---11.91mm (1)
  32. 0.500 in.-----1/2----12.7mm (1)
  33. 0.531 in.---17/32---13.49mm (1)
  34. 0.551 in.-------------14mm (1)
  35. 0.555 in.-------------14.1mm (1)
  36. 0.5625 in.---9/16---14.29mm (1)
  37. 0.625 in.-----5/8----15.88mm (1)
  38. 0.6875 in.--11/16--17.46mm- (1)
  39. 0.750 in.----3/4-----19.05mm (2)
  40. 0.788 in.-------------20mm (1)
  41. 0.8125 in.--13/16--20.64mm (1)
  42. 0.875 in.----7/8-----22.23mm (1)
  43. 0.9375 in.--15/16--23.81mm (1)
  44. 1 inch---------1-----25.4mm (1)
  45. 1.0625 in.-1-1/16--27mm- (1)
  46. 1.125 in.---1-1/8---28.58mm (1)
  47. 1.156 in.--1-5/32---29.36mm (1)
  48. 1.181 in.-------------30mm (1)
  49. 1.1875 in.--1-3/16-30.16mm (1)
  50. 1.250 in.---1-1/4---31.75mm (1)
  51. 1.3125 in.-1-5/16--33.34mm (1)
  52. 1.375 in.---1-3/8---34.93mm (1)
  53. 1.4375 in.--1-7/16-36.51mm (1)
  54. 1.500 in.---1-1/2---38.1mm (1)
Metal Alloy
  1. Aluminum 6061-T6 (55)
  2. Steel (2)
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