Alpha Metric Jobber Drill Bits 4.9mm - 10pc

Regular Price $65.34 Special Price $45.20

In Stock

10PC

QCode: 129459

SKU

9LM049-10

Details

Alpha Metric Jobber TiN Drill Bits by Sterling are of the highest quality when it comes to drilling. The Alpha Metric drill bit are made of fully ground M2 HSS for increased drilling life. The Titanuim Nitride coating reduces heat and increases lubricity for extended life. The 135 degree split point cuts faster and reduces wandering. Independent testing has revealed Alpha Titanium Nitride drill bits last significantly longer than other leading brands.

TECHNICAL DATA

Overall Length	86mm
Flute Length	52mm
Stainless Steel RPM	815
Tool Steel RPM	1222
Cast Iron RPM	1630
Malleable Iron RPM	1833
Medium Carbon Steel RPM	2037
Free Cutting Steel RPM	2852
Alum, Brass, Plastic RPM	4074
Wood RPM	6112
Feed per RPM (mm / rev)	.15-.25
Standard pack Qty	10