Somta - page 39

29
CENTREDRILLS
CENTRE DRILL NOMENCLATURE
OVERALL LENGTH
FLUTE
LENGTH
PILOT
LENGTH
60°
118°
60° 120°
TYPE 'B'
TYPE 'R'
RADIUS
PILOT
DIAMETER
BODY DIAMETER
TYPE 'A'
1...,29,30,31,32,33,34,35,36,37,38 40,41,42,43,44,45,46,47,48,49,...148
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