Bolt size to wrench size chart

Bolt size to wrench size chart

Fractional bolt size to wrench size

1/4 -> 7/16 wrench
5/16 -> 1/2 wrench
3/8 -> 9/16 wrench
7/16 -> 5/8 wrench
1/2 -> 3/4 wrench
9/16 -> 1-3/16 wrench
5/8 -> 1-5/16 wrench
3/4 -> 1- 1/8 wrench
7/8 -> 1- 5/16 wrench

8.8 DIN Metric bolt size to wrench size

M4 x .70 -> 7mm wrench
M5 x .80 -> 8mm wrench
M6 x 1.0 ->10mm wrench
M7 x 1.0 ->11mm wrench
M8 x 1.0 Fine -> 13mm wrench
M8 x 1.25 Standard ->13mm wrench
M10 x 1.0 Extra Fine ->17mm wrench
M10 x 1.25 Fine ->17mm wrench
M10 x 1.50 Standard ->16mm wrench
M12 x 1.25 Extra Fine ->19mm wrench
M12 x 1.50 Fine ->19mm wrench
M12 x 1.75 Standard ->19mm wrench
M14 x 1.50 Fine ->21mm wrench
M14 x 2.0 Standard ->21mm wrench
M16 x 2.0 ->24mm wrench
M18 x 2.5 ->27mm wrench
M20 x 2.5 ->30mm wrench
M22 x 2.5 ->32mm wrench
M24 x 3.0 ->36m wrench

10.9 DIN Metric bolt size to wrench size

M6 x 1 ->10mm wrench
M7 x 1.0 ->11mm wrench
M8 x 1.125 ->13mm wrench
M10 x 1.0 Extra Fine -> 17mm wrench
M10 x 1.25 Fine -> 17mm wrench
M10 x 1.50 Standard ->d 17mm wrench
M12 x 1.50 Fine -> 19mm wrench
M12 x 1.75 -> 19mm wrench
M14 x 2.00 -> 21mm wrench
M16 x 2.00 -> 24mm wrench
M20 x 2.50 -> 30mm wrench
M24 x 3.00 -> 36mm wrench