Filter
Top Products
Notes
SOCKET/WRENCH SELECTION TABLE
(U.S. STANDARD)
SOCKET/WRENCH SELECTION TABLE
(METRIC)
Specifications Socket or Wrench Size Specifications Socket or Wrench Size
Bolt
Diameter
Decimal
Equivalent
Bolt Nut
Bolt
Diameter
U.S.
Decimal
Equivalent
Bolt Nut
1/4 in .250 in 3/8 in 7/16 in 6 mm .2362 in 10 mm 10 mm
5/16 in .3125 in 1/2 in 9/16 in 8 mm .3150 in 14 mm 14 mm
3/8 in .375 in 9/16 in 5/8 in 10 mm .3937 in 17 mm 17 mm
7/16 in .4375 in 5/8 in 3/4 in 12 mm .4724 in 19 mm 19 mm
1/2 in .500 in 3/4 in 13/16 in 14 mm .5512 in 22 mm 22 mm
9/16 in .5625 in 7/8 in 7/8 in 16 mm .6299 in 24 mm 24 mm
5/8 in .625 in 15/16 in 1 in 18 mm .7087 in 27 mm 27 mm
3/4 in .750 in 1-1/8 in 1-1/8 in 22 mm .8661 in 32 mm 32 mm
7/8 in .875 in 1-5/16 in 1-5/16 in 24 mm .9449 in 36 mm 36 mm
1 in 1.000 in 1-1/2 in 1-1/2 in