HSS Double End Twist Drill

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HSS Double End Twist Drill (mm)

Diameter Total Length Flute Length
2.0-2.4 38 7.5
2.5-2.6 43 9.5
2.7-3.0 46 10.6
3.1-3.3 49 11.2
3.4-3.7 52 12.5
3.8-4.2 55 14
4.3-4.7 58 15.5
4.8-5.3 62 17
5.4-6.0 66 19
6.1-6.7 70 21.2
6.8-7.5 74 23.6
7.6-8.5 79 25
8.6-9.6 84 25
9.7-10.0 89 25
7/64" 1-7/8" 1/2"
1/8" 2" 1/2"
9/64 2" 1/2"
5/32" 2-1/16" 1/2"
3/16" 2-3/16" 1/2"
7/32" 2-3/8" 1/2"
1/4" 2-1/2" 1/2"
30# 2" 1/2"
20# 2-1/8" 1/2"
11# 2-1/4" 1/2"
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