Dormer A022 HSS TiN Coated Stub Drill Bit 4.2mm Pack of 10

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Dormer A022 HSS TiN Coated Stub Drill Bit 4.2mm Pack of 10

This pack of ten 4.2mm stub drill bits from Dormer delivers exceptional performance for precise and efficient drilling in demanding materials. The titanium nitride coating significantly increases surface hardness and reduces friction, allowing for faster cutting speeds and extended tool life. Combined with a stub length design that offers superior rigidity and reduced deflection, these bits are ideal for accurate hole creation in high-tensile steels, cast iron, and non-ferrous metals. The high-speed steel substrate ensures consistent durability, while the straight shank provides reliable grip in standard chucks. Whether used in production runs or maintenance work, this set offers dependable results with minimal vibration and chatter.

- Titanium nitride (TiN) coating for enhanced wear resistance and reduced heat buildup

- High-speed steel (HSS) construction for toughness and long-lasting sharpness

- Stub length geometry minimises breakage and increases drilling accuracy

- 4.2mm diameter suited for precision fastening and assembly tasks

- Straight shank compatible with most drill chucks and machine tools

- Pack of ten bits offers excellent value for frequent use

- Suitable for drilling in steel, stainless steel, aluminium, and plastics

- Manufactured by Dormer, a trusted name in professional cutting tools

Perfect for engineers, machinists, and tradespeople seeking consistent drilling quality.

GTIN: 7320760589229