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25pcs HSS twist fully ground drill bit set in robust metal box
![25pcs HSS twist fully ground drill bit set in robust metal box 25pcs HSS twist fully ground drill bit set in robust metal box](https://image.seohost.cn/storage/6910/product/20220802/20220802103425_872027.jpg)
specification
25pcs HSS twist fully ground drill bit set in robust metal box
DIN 338 HSS twist drill, fully ground with bright finish
118/135 degree point both are availabe
This type of HSS drill bits are ideal for drilling on mild steel, copper, Aluminium, Zinc alloy etc.
Parallet shank
Specification: 1,1.5,2,2.5,3,3.5,4,4.5,5,5.5,6,6.5,7,7.5,8,8.5,9,9.5,10,10.5,11,11.5,12,12.5,13mm