Dormer Jobber Drill Set, Set of 25

Contains Dormer HSS-E jobber drill bits from 1mm to 13mm in 0.5mm increments. Suitable for drilling hard materials, including tool steels. Recommended for difficult materials & applications. Specifications • DIN338 • Depth: 4 X D &b... - Manufacturers part number: A295225

• For use on machines or hand held applications
• Bronze finish identifies Cobalt based substrate and reduces built-up-edge
• Heavy Duty design provided increase strength for drilling difficult materials
• 135 degree split point provides self centering, low thrust and easier penetration
• High Speed Cobalt (HSCo) provides superior hot hardness when drilling