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My Account Product Search Product Catalog Metric Coarse Class 8.8Metric Set Screws 8.8Metric Coarse Class 10.9Metric Set Screws 10.9Metric Fine 8.8Metric Fine 10.9Grade 5 UNFGrade 5 Set Screws UNFGrade 5 UNCGrade 5 Set Screws UNCGrade 8 UNFGrade 8 UNCGrade C LocknutsGrade 9NylocsWashersSpecialsBrassCapscrewsFlangeFlange NutsGrade 8 UNC Plow BoltsKemtekLocknuts/ConelocksMetalfixRivetsRivnutsRivtecSpectrumStainless SteelStudsWing Nuts
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Metric Tap id Drill Chart

This technical information has been supplied by boltdepot.com

Tap
Metric Drill
US Drill
3mm x 0.6
2.5mm
-
4mm x 0.7
3.4mm
-
5mm x 0.8
4.3mm
-
6mm x 1.0
5.2mm
-
7mm x 1.0
6.1mm
15/64
8mm x 1.25
6.9mm
17/64
8mm x 1.0
7.1mm
-
10mm x 1.5
8.7mm
-
10mm x 1.25
8.9mm
11/32
10mm x 1.0
9.1mm
-
12mm x 1.75
10.5mm
-
12mm x 1.5
10.7mm
27/64
14mm x 2.0
12.2mm
-
14mm x 1.5
12.7mm
-
16mm x 2.0
14.2mm
35/64
16mm x 1.5
14.7mm
-
Drill sizes are for 75% depth of thread.