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5 Pce 10-31mm 90 Degree HSS Co5 Triple Flute Countersink Set
Shallower flutes achieve a stronger cross section allowing the tap to withstand greater cutting forces
extending tool life
The coating allows higher speed and feed rates and tool life is greatly increased
Bordo reduced shank HSS drills are ground and then a black finish is achieved by steam tempering
Metric 315mm M2 HSS Bright Finish Extra Long Jobber Drill Size:14 x 315mm M2 HSS Bright Finish Extra Long Jobber Drill 5 Pce 10-31mm 90 DegreeHSS Extra Long Twist Drill 135 Split Point (crankshaft point). Split point is self centering and the short distance from the drill axis to the outer corners results in faster penetration, reducing the need for end thrust. Bright Finish Twist Drills have no surface treatment and are supplied in the as ground condition. These tools are suitable for general purpose use, particularly for non ferrous applications. 1 2' Reduced Shank
US$ 499.00
US$ 375.00
US$ 375.00