4-Facet Point, R Thinning Point, Self-Centering Point, X Thinning Point, 4 Facet Point
#39, 22.50 mm, 27/32", #13 x #21, 2.25 mm
79.00 mm, 4-7/8", 4-5/16", 212.00 mm, 8-25/32"
ASME B94.11M-1993, NAS 907 Type B, DIN 338, DIN, NAS 907 Type J
Cobalt High Speed Steel, Cobalt (8%); High Speed Steel, Cobalt, High Speed Steel, Cobalt (5%); High Speed Steel
1-3/32", 1/32", 6.9 mm, 2.9 mm, 14.7 mm
135°, 140°, 60°, 118°, 120°