7.5mm Jobber Drill Bit Carded – Silver Series

Description

Features:

M2 HSS Fully ground M2 HSS material increases drill life
118 Degree Split Point cuts faster and reduces wandering

Specifications:
Size 7.5 mm
Overall Length 117 mm
Flute Length 75 mm
Stainless Steel rpm 489
Tool Steel rpm 733
Cast Iron rpm 978
Malleable Iron rpm 1100
Medium Carbon Steel rpm 1222
Free Cutting Steel rpm 1711
Alum, Brass, Plastic rpm 2445
Wood rpm 3667
Feed per rpm (mm / rev) .15-.25