Z HSS Split Point Stub Drill Bit, D/AST Series Live Length Under Head: 10"

Length Under Head: 10"

We make our service wrenches from 4140 chromium molybdenum steel and harden them to 50–53 HRC

Clamping force at the jaws directly depends on the strength and integrity of the clamp’s three main rivets

Part Number: BIT-T/A54924

Length 6-1/4"

Z HSS Split Point Stub Drill Bit, D/AST Series Live Length Under Head: 10"Product Description Screw machine drills (also know as stub or stubby drills) are manufactured to National Aerospace Standard 907. The 135 degree split point is self centering and reduces thrust. Ideal for portable or machine drilling. Short, rugged construction performs well in a broad range of materials. Screw machine drills are popular in the automotive and construction industries. They are often used in screw machine setup where spindle clearance