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Product Specification

IS 6708 - 1977

Pilot Drill Body Diameter Overall Length
1.6 4.0 37.5
2.0 5.0 42.0
2.5 6.3 47.0
3.15 8.0 52.0
4.0 10.0 59.0
5.0 12.5 66.0
6.3 16.0 74.0
8.0 20.0 83.0
10.0 25.0 103.0

BS 328 - Part :2 : 1950

B.S. No. Pilot Drill Body Diameter Overall Length
1 3/64 1/8 1.1/2
2 1/16 3/16 1.3/4
3 3/32 1/8 2
4 1/8 5/16 2.1/4
5 3/16 7/16 2.1/2
6 1/4 5/8 3
7 5/16 3/4 3.1/2

IS 6709 - 1977

Pilot Drill Body Diameter Bell Diameter Overall Length
1.6 6.3 3.35 47.0
2.0 8.0 4.25 52.0
2.5 10.0 5.30 59.0
3.15 11.2 6.80 63.0
4 14.0 8.50 70.0
5 18.0 10.60 78.0
6.3 20.0 13.20 83.0
8 25.0 17.0 103.0
10 31.5 21.20 126.0

We also manufacture as per customer specification.

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