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双头钻
doubleenddrillbit

HSS 4241, 4341, M2, M35 High speed steel double end drill bit

Material: High Speed steel (  HSS 4241, 4341, M2, M35)
Surface treatment: black finished,polished,titanium coated,amber finished and etc
production:roll forged, fully ground
shank: straight shank
standard:double end

Material: High Speed steel (  HSS 4241, 4341, M2, M35)
Surface treatment: black finished,polished,titanium coated,amber finished and etc
production:roll forged, fully ground
shank: straight shank
standard:double end

Point:118°, 135°

usage:drilling for stainless stee, metal, plastic , wood, poly wood and etc.

 

Sutable in hand drill, bench drill and etc.

doubleenddrillbit双头钻

 

 

 

Size:

 

HSS 4241, HSS 4341:

drilling for metal, plastic, wood and etc 。Always use roll forged, polished, titanium coated。Hardness:HRC61-63

 

HSS M2, HSS M35 :

drilling for Stainless Steel, metal, plastic, wood and etc 。Always use fully ground。Hardness:HRC63-66.