탭 드릴 사이즈.

호칭===피치==정밀(100%)=일반(90%)=헐거움(85%)
M1====0.25==0.73======0.76=====0.77
M1.2==0.25==0.93======0.96=====0.97
M1.4==0.3===1.08======1.11=====1.12
M2====0.4===1.57======1.61=====1.63
M2.5==0.45==2.01======2.06=====2.09
M3====0.5===2.46======2.51=====2.54
M3.5==0.6===2.85======2.92=====2.95
M4====0.7===3.24======3.32=====3.36
M4.5==0.75==2.69======3.77=====3.81
M5====0.8===4.13======4.22=====4.26
M6====1=====4.92======5.03=====5.08
M7====1=====5.92======6.03=====6.08
M8====1.25==6.65======6.78=====6.85
M9====1.25==7.65======7.78=====7.85
M10===1.5===8.38======8.54=====8.62
M11===1.5===9.38======9.54=====9.62
M12===1.75==10.1======10.3=====10.4
M14===2=====11.8======12.1=====12.2
M16===2=====13.8======14.1=====14.2
M18===2.5===15.3======15.6=====15.7
M20===2.5===17.3======17.6=====17.7
M22===2.5===19.3======19.6=====19.7
M24===3=====20.8======21.1=====21.2
M27===3=====23.8======24.1=====24.2
M30===3.5===26.2======26.6=====26.8