Hammond & Co. Gundrill Product Rotation
Автор: Hammond & Co
Загружено: 2013-08-23
Просмотров: 983
Описание:
Gundrills made to order from 3mm to 40mm diameter, up to 3m long. Available on express delivery.
Before drilling commences the gun drill must be suported by a guide bush or pre-drilled start hole. Coolant is delivered directly to the cutting edges through the hollow shank and the chips are evacuated back along the V configuration of the tip and shank.
The periphery of the cutting tip is contoured in such a way as to provide both support pads and lubrication galleries. The forces generated by the single sided cutting action act directly on the support pads creating a burnished surface finish and size control down to IT7 tolerances.
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