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HSS Centre drills(combined drill and countersink)

Toolex
Centre Drill. BS/ASA Standards. Form A (60)


Product Ref: 105

BS ASA D x d (mm) D x d (") L l
- 000 3.17 x 0.51 1/8 x 0.020 31 0.6 - 0.8
- 00 3.17 x 0.63 1/8 x 0.025 31 0.8 - 1.0
- 0 3.17 x 0.79 1/8 x 1/32 31 1.1 - 1.3
1 1 3.17 x 1.19 1/8 x 3/64 31 1.5 - 1.7
2 - 4.76 x 1.58 3/16 x 1/16 47 2.0 - 2.4
- 2 4.76 x 1.98 3/16 x 5/64 47 2.5 - 2.9
3 - 6.35 x 2.38 1/4 x 3/32 50 2.9 - 3.4
- 3 6.35 x 2.77 1/4 x 7/64 50 3.5 - 4.0
4 4 7.93 x 3.17 5/19 x 1/8 54 3.9 - 4.4
5 5 11.11 x 4.76 7/16 x 3/16 70 6.1 - 6.6
- 6 12.70 x 5.55 1/2 x 7/32 76 7.2 - 7.8
6 7 15.87 x 6.35 5/8 x 1/4 82 8.0 - 8.6
7 8 19.05 x 7.93 3/4 x 5/16 89 10.1 - 10.8
- 9 22.22 x 8.73 7/8 x 11/32 92 11.2 - 11.9
- 10 25.40 x 9.52 1 x 3/8 95 12.2 - 12.9


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