Dormer High-Speed Steel (HSS) Drill Bit 1 Inch, 156mm Overall Length, 6.8mm Shank Size, 118° Point Angle A1106.8

Dormer A1106.8 high-speed steel (HSS) drill bit with a 1 inch (25.4mm) diameter, featuring a total length of 156mm and drilling length of 102mm, is engineered for precision and durability in industrial and mechanical tasks.

Manufactured from high-quality HSS material and steam-tempered with a bright finish, this drill bit resists wear and heat build-up, extending its operational life even in demanding conditions.

The tool features 4 helical flutes which enhance cutting efficiency by rapidly removing debris, ensuring a clean and precise hole. Its cylindrical shank design facilitates secure mounting in standard handheld or machine drills.

With a drill point angle of 118°, this bit is optimized for effective penetration and chip clearance, suitable for working with tough materials like steel and cast iron commonly encountered in construction, HVAC, and plumbing industries.

Compliant with BS 328, ISO 494, and DIN 340 RN standards, this drill bit meets rigorous quality and performance benchmarks. Constructed from high-speed steel (HSS) offering enhanced wear resistance. Four helical flutes for efficient chip removal and clean hole finishes.

Bright finish steam-tempered for longer tool life. 1 inch drill bit size suiting various heavy-duty drilling applications. 118° drill point angle to optimize cutting performance. Cylindrical shank type ensures compatibility with handheld tools.

Overall length of 156mm supports drilling in deeper or hard-to-reach areas. Meets international standards BS 328, ISO 494, and DIN 340 RN.

This Dormer drill bit is ideal for professional use in industrial manufacturing, mechanical workshops, construction sites, HVAC installations, and plumbing tasks requiring reliable and precise drilling tools.

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