Dormer A100 HSS Jobber Drill Bit 4.30mm OL80mm WL47mm DORA100430

General description This high-speed steel (HSS) twist drill bit is designed for precise drilling in steel and cast iron. Dormer A100 Metric HSS jobber drills are suitable for use in the majority of general-purpose engineering applications. They have good self-centering capability on a wide range of materials and are suitable for both hand and machine use. Technical specifications Tip diameter: 4.30 mm Working length: 47 mm Overall length: 80 mm Material: High-Speed Steel (HSS) Point angle: 118° Shank: Cylindrical Cutting direction: Right-hand Maximum feed in steel (up to 800 N): 0.08 mm/revolution Nominal tolerance: h8 Cutting profile: Cross-ground with sharpened tip from 3.0 mm diameter Grooves: Standard spiral Coating: Dampfin surface treatment Packaging: 10 pieces per box Compatibility and accessories Compatible with standard drill chucks and drill presses Suitable for drilling in steel and cast iron Installation Insert the drill bit into a compatible drill chuck or machine Ensure