Dormer HSS Jobber Drill Bit 12mm Shank Size, 151mm Overall Length, 5 Flutes Helical Split-Point, 135° Point Angle A10812.0

Dormer A10812.0 HSS Jobber Drill Bits are precision-engineered cutting tools designed for industrial and mechanical drilling tasks requiring accuracy and durability. Each drill bit features a 12mm shank diameter and overall length of 151mm, made from high-speed steel (HSS) to provide excellent hardness and wear resistance.

These drill bits incorporate 5 helical flutes that efficiently clear swarf and debris from the drilling site, enhancing cutting performance and tool life. The 135° split-point tip is self-centering, minimizing walking and ensuring precise hole placement. The cylindrical straight shank design ensures compatibility with hand drills and machine drill chucks.

The bits are compliant with internationally recognized standards including ISO 235, BS 328, and DIN 338 RN, ensuring reliable and consistent performance across various applications. They are suitable for drilling a wide range of materials such as stainless steel, cast steel, grey cast iron, malleable cast iron, nickel-brass, aluminium alloys, plastics, and graphite.

Manufactured with premium tempered HSS steel for longevity. 5-flute helical design for rapid swarf removal and stiff structure. 135° split-point for self-centering and accurate drilling. Right-hand cutting direction suitable for most drilling operations.

Shank size: 12mm, overall bit length: 151mm, drilling length: 101mm.

These drill bits are optimal for use in industrial, manufacturing, construction, and engineering environments where precision hole-making is essential. They provide a robust solution for machinery maintenance and tooling tasks requiring dependable drill bits.

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