Khoan nòng súng đến 50D Garant 123750

Liên hệ
Solid carbide HPC deep-hole drill plain shank DIN 6535 HA 50×D


Spiral fluted, with 4 guide chamfers and internal cooling channels. New generation of high performance deep hole drills in the HPC range. With 135° point angle and special fg6 cutting edge tolerance for optimum generation of deep holes. High roundness and alignment accuracy of the deep hole.


Maximum drilling depth:
Flute length (see table) less 1.5×nominal ⌀.


To achieve good process reliability with 40×D and 50×D deep-hole drills it is absolutely essential to drill a 6×D pilot hole with a pilot drill No.122736 and a 20×D co-pilot hole with a co-pilot drill No. 123691.
The generation of a pilot hole improves process reliability. See also pages 120/121.

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