Dormer High Speed Steel Drill Bit 1 in 112mm Overall Length Cylindrical Shank Bright Finish A1103.5

Dormer A1103.5 High Speed Steel Drill Bit with 1 inch drill size and 112mm overall length is ideal for mechanical and industrial drilling applications requiring precision and durability.

This drill bit features a cylindrical shank measuring 3.5mm in diameter with a bright finish that resists corrosion while providing a secure fit in drill chucks. Manufactured to meet DIN 340 RN, ISO 494, and BS 328 standards, the bit has 4 helical flutes which improve chip evacuation and reduce heat buildup during drilling.

The 118° drill point angle provides accurate centering for starting holes without wandering. The steam tempered finish increases wear resistance, making it suitable for steel and cast iron materials.

Its 112mm overall length supports deeper hole drilling, up to six times the diameter of the bit, making it a versatile choice for various machining tasks. High speed steel construction enhances durability in demanding applications.

4 helical flutes optimize cutting and chip clearance. Cylindrical shank with bright finish for corrosion resistance. Compatible with steel and cast iron materials. Manufactured according to DIN, ISO, and BS standards. Suitable for general-purpose machining.

Steam tempered for improved wear resistance. Drill point angle of 118° for accurate hole starting. This drill bit is widely used in industrial, manufacturing, and mechanical engineering sectors where reliable and precise drilling is essential.

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