Dormer HSS Jobber Drill Bit 11mm Diameter, 142mm Overall Length, 5 Flutes A10811.0

Dormer brand A10811.0 HSS Jobber Drill Bit set comprises 5 pieces of 11mm diameter drill bits with an overall length of 142mm. Manufactured from tempered High-Speed Steel, these drill bits are engineered for precision drilling in demanding industrial applications including stainless steel, cast steel, grey and malleable cast iron, nickel-brass, aluminium alloy, and plastics. The 135° split-point design ensures fast, accurate hole starts with excellent positional accuracy.

The helix shape of the drill bits has been optimized for stiffness and rapid removal of swarf, enhancing drilling efficiency and bit longevity. The set’s cylindrical straight shanks of 11mm diameter are compatible with most hand and machine drills. These bits are highly versatile for metalworking, construction, and manufacturing tasks, with a drilling length of 94mm ideal for many industrial uses.

The Dormer A108 series drill bits conform to DIN 338 RN, ISO 235, and BS 328 standards, assuring professional-grade quality and reliability. Suitable for both handheld and machine use, this set provides rapid, clean holes in steel, stainless steel, iron, plastics, and wood, excluding masonry applications. The blue surface treatment adds corrosion resistance and durability.

This set contains five drill bits, each clearly size-marked for easy identification and precision. Manufactured in France, the Dormer HSS Jobber Drill Bits suit industrial, laboratory, construction, HVAC, manufacturing, and water treatment applications requiring reliable drilling performance. These tools meet the needs of professionals demanding accuracy and quality in their drilling operations.

High-speed steel construction ensures durability and long life. Split-point design for improved centering and hole quality. Helical flutes provide efficient chip evacuation during drilling. Compatible with hand and machine drills for versatile use.

Conforms to DIN 338 RN, ISO 235, and BS 328 industry standards. 5 piece set with 11mm shank for secure tool mounting. Ideal for use on stainless steel, cast iron, aluminium, and plastics. Blue coated surface increases corrosion resistance.

Produced in France with high manufacturing quality control. Suitable for industrial, manufacturing, and construction applications. Explore the extensive range of Dormer Drill Bits and tooling at EnvMart for professional quality and performance.