11/32" Tin Coated Jobber Length Drill Bit Tin coated jobber drills have super hard titanium nitride surface treatment improves drill life, chip ejection, and productivity; decreases horsepower requirements..
11/32" Tin Coated Jobber Length Drill Bit Tin coated jobber drills have super hard titanium nitride surface treatment improves drill life, chip ejection, and productivity; decreases horsepower requirements..