Hole for 3/8" Bolts

Shopping Options

Outer Diameter

1. 1/2 in.---------12.7mm (15)
2. 5/8 in.---------15.9mm (16)
3. 3/4 in.---------19.05mm (20)

Length Decimal/Fraction/Metric

1. 0.125 in.-----1/8----3.18mm (3)
2. 0.156 in.----5/32---3.96mm (1)
3. 0.1875 in.---3/16---4.76mm (3)
4. 0.250 in.-----1/4----6.35mm (3)
5. 0.3125 in.---5/16---7.94mm (4)
6. 0.375 in.-----3/8----9.53mm (3)
7. 0.4375 in.---7/16---11.11mm (3)
8. 0.500 in.-----1/2----12.7mm (3)
9. 0.5625 in.---9/16---14.29mm (1)
10. 0.625 in.-----5/8----15.88mm (3)
11. 0.750 in.----3/4-----19.05mm (4)
12. 0.755 in.------------ (1)
13. 0.8125 in.--13/16--20.64mm (1)
14. 0.875 in.----7/8-----22.23mm (3)
15. 1 inch---------1-----25.4mm (4)
16. 1.125 in.---1-1/8---28.58mm (3)
17. 1.250 in.---1-1/4---31.75mm (3)
18. 1.375 in.---1-3/8---34.93mm (2)
19. 1.500 in.---1-1/2---38.1mm (3)

Metal Alloy

1. Aluminum 6061-T6 (51)