Dormer High-Speed Steel (HSS) Jobber Drill Bit, 5mm Diameter, 86mm Overall Length, 135° Point Angle, Split-Point A1085.0

Dormer A1085.0 high-speed steel (HSS) jobber drill bit set offers a professional-grade solution for accurate and efficient drilling with an overall length of 86mm and a bit diameter of 5mm. Crafted from premium tempered HSS, these Drill Bits are engineered for high performance and durability in industrial, construction, engineering, laboratory, and manufacturing environments.

The set features a self-centering split-point tip design with a 135° point angle, which ensures excellent positional accuracy, reduces walking on the workpiece, and provides clean hole quality. The helix has been optimized with 5 helical flutes to facilitate rapid swarf removal, enabling faster and cleaner drilling operations in stainless steel, cast steel, grey cast iron, malleable cast iron, nickel-brass, aluminium alloy, graphite, and various plastics.

This comprehensive 10-piece set includes bits with cylindrical/straight shanks of 5mm size, compatible with a variety of hand drills and machines. The drills cut in a right-hand direction and have a drilling length of 52mm. These bits are blue surface treated for enhanced wear resistance and longevity.

The Dormer A108 series conforms to strict quality standards including BS 328, DIN 338 RN, and ISO 235, underlining their reliability and precision. Ideal applications include rapid drilling of plug, anchor, and clearance holes in multiple materials common in carpentry, construction, and engineering industries.

Constructed from high-quality tempered high-speed steel (HSS) for strength and durability. Precision 135° split-point tip reduces walking and ensures accurate hole placement. Efficient 5-flute helical design for quick chip evacuation during drilling.

Suitable for drilling stainless steel, cast iron, plastics, and other metals. Cylindrical/straight shank measuring 5mm for secure chuck gripping. Right-hand cutting direction optimized for performance. Complies with international standards BS 328, DIN 338 RN, and ISO 235.

Includes 10 pieces per set, providing versatility for various drilling needs. Blue surface treatment enhances corrosion resistance and durability.

This Dormer HSS jobber drill bit set is essential for industrial tasks requiring precision and efficiency. It supports multiple sectors including manufacturing, mechanical and fluid power, construction, and general industrial tool use. For more industrial-grade cutting and drilling solutions, explore the Dormer product range and related categories on EnvMart.