Hole Chart – Metric2017-06-09T17:46:13+00:00

Tap and Clearance Hole Chart – Metric

Metric Drill ChartNightShade Electronics
ns-electric.com
Machine Screw SizeTap DrillsClearance Hole Diameters
Aluminum
Brass & Plastic
75% Thread
Stainless Steel
Steels & Iron
50% Thread
All Materials
Close FitFree Fit
NameMajor Dia.
(mm)
Thread Pitch
(mm)
Drill Size (mm)Closest American Drill SizeDrill Size (mm)Closest American Drill SizeDrill Size (mm)Closest American Drill SizeDrill Size (mm)Closest American Drill Size
M1.51.50.351.15561.25551.601/161.6552
M1.61.60.351.25551.35541.70511.7550
M1.81.80.351.45531.551/161.90492.005/64
M220.451.551/161.70512.10452.244
0.401.60521.7550
M2.22.20.451.75501.90482.303/322.441
M2.52.50.452.05462.20442.65372.757/64
M330.602.40412.60373.151/83.3030
0.502.50392.7036
M3.53.50.62.9323.1313.7273.8524
M440.753.25303.5284.2194.417
0.73.3303.528
M4.54.50.753.75254224.751359
M551.004.00214.4011/645.2555.507/32
0.904.10204.4017
0.804.20194.5016
M5.55.50.904.60144.90105.8016.10B
M661.005.0085.4046.30E6.60G
0.755.2545.507/32
M771.006.00B6.40E7.40L7.70N
0.756.25D6.50F
M881.256.80H7.20J8.40Q8.80S
1.007.00J7.40L
M991.257.80N8.20P9.503/89.9025/64
1.008.00O8.4021/64
M10101.508.50R9.00T10.50Z11.007/16
1.258.8011/329.2023/64
1.009.00T9.40U
M11111.509.503/810.00X11.6029/6412.1015/32
M12121.7510.3013/3210.9027/6412.601/213.2033/64
1.5010.50Z11.007/16
1.2510.8027/6411.207/16
M14142.0012.1015/3212.701/214.7537/6415.5039/64
1.5012.501/213.0033/64
1.2512.801/213.2033/64
M15151.5013.5017/3214.0035/6415.755/816.5021/32
M16162.0014.0035/6414.7537/6416.7521/3217.5011/16
1.5014.5037/6415.0019/32
M17171.5015.5039/6416.005/818.0045/6418.5047/64
M18182.5015.5039/6416.5041/6419.003/420.0025/32
2.0016.005/816.7521/32
1.5016.5021/3217.0043/64
M19192.5016.5021/3217.5011/1620.0025/3221.0053/64
M20202.5017.5011/1618.5023/3221.0053/6422.0055/64
2.0018.0045/6418.5047/64
1.5018.5047/6419.003/4