1/2 (12.7mm) Outer Diameter

Shopping Options

Bolt Hole Size / Inner DIameter

1. For 1/4" or 6mm Bolts (45)

Length Decimal/Fraction/Metric

1. 0.1095 in.---7/64---2.77mm (1)
2. 0.125 in.-----1/8----3.18mm (2)
3. 0.141 in.----9/64---3.58mm (1)
4. 0.156 in.----5/32---3.96mm (1)
5. 0.172 in.---11/64---4.37mm (1)
6. 0.1875 in.---3/16---4.76mm (2)
7. 0.203 in.---13/64---5.16mm (1)
8. 0.219 in.----7/32----5.56mm (1)
9. 0.2345 in.--15/64--5.95mm (1)
10. 0.250 in.-----1/4----6.35mm (2)
11. 0.2655 in.--17/64--6.75mm (1)
12. 0.281 in.----9/32---7.14mm (1)
13. 0.297 in.---19/64---7.54mm (1)
14. 0.3125 in.---5/16---7.94mm (2)
15. 0.328 in.---21/64---8.33mm (1)
16. 0.344 in.---11/32---8.74mm (1)
17. 0.375 in.-----3/8----9.53mm (2)
18. 0.406 in.---13/32---10.31mm (2)
19. 0.4375 in.---7/16---11.11mm (2)
20. 0.469 in.---15/32---11.91mm (1)
21. 0.500 in.-----1/2----12.7mm (2)
22. 0.531 in.---17/32---13.49mm (1)
23. 0.5625 in.---9/16---14.29mm (1)
24. 0.625 in.-----5/8----15.88mm (2)
25. 0.6875 in.--11/16--17.46mm- (1)
26. 0.750 in.----3/4-----19.05mm (3)
27. 0.875 in.----7/8-----22.23mm (1)
28. 0.9375 in.--15/16--23.81mm (1)
29. 1.0625 in.-1-1/16--27mm- (1)
30. 1.125 in.---1-1/8---28.58mm (2)
31. 1.1875 in.--1-3/16-30.16mm (1)
32. 1.250 in.---1-1/4---31.75mm (2)

Metal Alloy

1. Aluminum 6061-T6 (44)
2. Brass (1)