Dormer A976 HSS-E High Performance Extra Long Drill Bit 4.7mm 185mm Pack of 1

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Dormer A976 HSS-E High Performance Extra Long Drill Bit 4.7mm 185mm Pack of 1

This extra-long drill bit from the Dormer A976 PFX series is engineered specifically for drilling very deep holes or for applications where you need extended reach to access tight or awkward positions. Manufactured from premium HSS-E (high-speed steel with cobalt) with a bright finish, it delivers exceptional heat resistance and edge retention, making it ideal for demanding materials such as stainless steel and high-strength alloys. The specially designed flute geometry ensures efficient swarf removal even when drilling to depths several times the bit diameter, reducing the risk of jamming or overheating.

- Overall length: 185mm for superior reach in deep-hole drilling applications

- Diameter: 4.7mm, suitable for precision work and general engineering tasks

- Material: HSS-E (cobalt high-speed steel) for enhanced hardness and thermal stability

- Finish: Bright finish that minimizes friction and improves chip flow

- Point geometry: Self-centring split point reduces walking and eliminates the need for pilot drilling

- Flute design: Optimised for effective chip evacuation in deep bores

- Application: Recommended for use on CNC machines, pillar drills, and hand drilling where extra length is required

- Pack quantity: 1 drill bit per pack, individually checked for quality

Whether you are a professional engineer or a dedicated machinist, this Dormer A976 drill bit offers the reach and durability to tackle challenging deep-hole jobs reliably.

GTIN: 7320760279892