Combined drills and countersinks-bell type


Combined drills and countersinks-bell type Usage: Working core in end plane of part with axis. Feature: The corporation makes core driller for straight, oblique and spiral grooves. Featuring easy operation, high speed and good offtake of chips,
search-engine-tool


NO.		 Size d d1 d2 L l
INCH （mm） INCH （mm） INCH （mm） INCH （mm） INCH （mm）
001 11 3/64 1.19 1/8 3.18 0.10 2.5 1-1/4 32 3/64 1.19
002 12 1/16 1.59 3/16 4.76 0.15 3.8 1-7/8 48 1/16 1.59
003 13 3/32 2.38 1/4 6.35 0.20 5.1 2 51 3/32 2.38
004 14 7/64 2.78 5/16 7.94 0.25 6.4 2-1/8 54 7/64 2.78
005 15 5/32 3.97 7/16 11.11 0.35 8.1 2-3/4 70 5/32 3.97
006 16 3/16 4.76 1/2 12.70 0.40 10.2 3 76 3/16 4.76
007 17 7/32 5.56 5/8 15.88 0.50 12.7 3-1/4 83 7/32 5.56
008 18 1/4 6.35 3/4 19.05 0.60 15.2 3-1/2 89 1/4 6.35

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