Dormer A225 Centre Drill Bits HSS

The Dormer A225 HSS Centre Drill (BS 328) is designed for drilling components that require machining between centres. It features a straight conical body with a 60° included countersink and a 120° point, suitable for both hand and machine use. The tool is constructed from high-speed steel (non-coated) and conforms to BS 328 standards for shape and compatibility with standard drill chucks for HSS tools. It is designed to create precise centering holes in steel, cast iron, and alloy materials, and can be used in both CNC and conventional machines.

Features

• 120° point with 60° included countersink
• Double-ended for increased productivity
• Bright finish reduces sticking
• Premium HSS material for steel, aluminium, stainless
• Suitable for CNC and conventional machines
• Conforms to BS 328

Technical specifications

• Tip diameter 1/8 in
• Working length 3/64 in
• Overall length 1.5 in
• Body diameter 1/8 in
• Material: HSS, non-coated
• Standards: BS 328