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Products
​​Ex works PRICES substantially below imported products. ​​​
2 week delivery, 2/3 day EXPRESS
RE-TIPPING & RE-GRINDING services
Design and engineering qualities refined over 50 years
Gun Drill Design
Before drilling commences the gun drill must be supported by a guide bush or pre-drilled start hole. Coolant is delivered directly to the cutting edges through the tubular shank and the chips are evacuated via the V configuration of the tip and shank.
The periphery of the cutting tip is contoured in such a way as to provide the support pads and lubrication galleries. The forces generated by the tungsten carbide tip and harden steel shank. the periphery of the cutting tip is contoured in such a way as to provide both support pads and lubrication galleries. The generated forces create a burnished surface finish, and size control to within IT7 tolerances.
TIN and TIALN coated tips are available, with many sizes held in stock.
A regrinding and retipping service is available at our Hemel Hempstead plant for gun drills, Ventec drills and Speedfeed drills.
Manufacturing Spec
Cutting Geometry
Cutting Parameters
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