Drilling Guide

5/6/2012


 
Metric English

 
Fastener
mm
Drill for
clearance hole
mm
Drill for
tapping
mm
   
Fastener
 
Drill for
clearance hole
in
Drill for
tapping 

 
22.251.6 6-329/64#36

 
2.52.752.05 8-3211/64#29

 
33.252.5 10-2413/64#25

 
44.253.25 10-3213/64#21

 
55.254.25 1/4-2017/64#7

 
66.255 5/16-1821/64#F

 
88.256.75 3/8-1625/645/16"

 
1010.258.5 7/16-1429/64#T

 
1212.2510.25 1/2-1333/6427/64"

 
1616.2614 5/8-1141/6417/32"

 
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