KEY
Drill Dimensions
d 1 = Drill Diameter d 2 = Shank Diameter l 1 = Overall Length l 2 = Drill Depth l 3 = Body Length
l 2
l 3
l 1
Drill Material
Carbide
HSS
High Speed Steel w/ 8% Cobalt
Solid Carbide
Drill Geometry
20º
2xd
H7-H9
130º
Length-to-Dia. Ratio
Achievable Hole Tolerance
Drill Point Angle
Helix Angle
158
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