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13pcs HSS twist drill bit set-fully ground-bright finish
![13pcs HSS twist drill bit set-fully ground-bright finish 13pcs HSS twist drill bit set-fully ground-bright finish](https://image.seohost.cn/storage/6910/product/20220801/20220801163430_278714.jpg)
specification
13pcs HSS twist drill bit set-fully ground-bright finish
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: 1.5,2,2.5,3,3.2,3.5,4,4.2,4.5,5,5.5,6,6.5mm