Precise Metric H.S.S. Screw Machine Length Stub Drills - Sizes 7.70mm to 12.40mm

Precise Metric H.S.S. Screw Machine Length Stub Drills - Sizes 7.70mm to 12.40mm

• H.S.S. - High Speed Steel
• Hardness: 58 to 60 RC
• Primarily designed for machining operations in screw machines.
• Short length offers increased rigidity for machine drilling of steel, cast steel, cast iron, or non-ferrous and non-metallic materials.
• Use with hand held manual drills and either portable or stationary machines.
• Standard two flute design.
• Standard spiral, helical flutes.
• Precision ground flutes.
• Cylindrically ground.
• 118° point angle and standard web thickness.
• Steam tempered.
• Black or bright finish depending upon our stock.
• Workpiece Material Range: Steel, Cast Iron, Plastics