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> 1/2" high performance titanium bright 135 jobber drill
1/2" high performance titanium bright 135 jobber drill
Size 1/2" High Performance Titanium Coated Bright Finish 135 degree split point Jobber Drills
Drilling Application RPM s & Feed Rates: For drilling in standard steels, hardened steels, alloy steels, cast steel alloyed and Non-alloyed, grey cast iron, graphite, malleable cast iron and most stainless steels. Starting cutting speeds for this drill for carbon steels is 1050 RPM S at .009 Feed Rate, Alloy steels to 34RC is 595 RPM s at .0079 feed rate and Stainless Steels to 23RC at 540 RPM s at .0079 feed rate.
