Brand Drillco Product Series 400A Category Heavy Duty Jobber Length Drills (NAS Type B) Size Number Material High Speed Steel (HSS) Material Type M2 Finish/Coating Black Oxide Shank Straight Point 135º Split Point Description This Heavy Duty High Speed Steel Jobber Length Drill boasts a construction optimized for efficient drilling in stainless steel and other hard ferrous materials. With a 135 degree split point to reduce thrust demands and minimize wandering, it meets NAS Type B specifications for added assurance. Moreover, a steam oxide surface treatment enhances its strength and lubricity. Origin USA
