Dormer A100 HSS Jobber Drill Bit 6.40mm

Dormer A100 Metric HSS jobber drills are designed for general-purpose engineering tasks, offering good self-centering capabilities across a wide range of materials. Suitable for use in both hand and machine applications, these drills are intended for drilling in steel and cast iron. They feature a 118° conventional tip and a cross-ground cutting profile, with a durable high-speed steel composition and a steam-treated coating to reduce built-up edge and improve lubricity. The drills comply with DIN 338, Type N, and come in a cylindrical shank format, provided in boxes of 10 pieces. The maximum drilling depth is 4 times the diameter, making them versatile for standard drilling tasks in common metals.

Features

• Tip diameter 6.40 mm
• Working length 63 mm
• Overall length 101 mm
• 118° point with HSS
• DIN 338, Type N, cylindrical shank

Overview

Designed for general purpose engineering applications, these drills provide good self-centering capability on a wide range of materials and are suitable for both hand and machine use. They are intended for drilling in steel and cast iron, with a cross-ground cutting profile and a standard spiral groove. The drills feature steam-treated coating to reduce built-up edge and improve lubricity, and a Patented Silver ring for clear diameter marking. They are compatible with standard drill chucks and drill presses, and the maximum drilling depth is 4xD.

Ensure the drill is securely tightened before use.