TCT straight shank twist drill bit
Material: High Speed steel ( HSS 4241, 4341, M2, M35) + tungsten carbide tip
Surface treatment: black finished,polished,titanium coated,amber finished and etc
production:roll forged, fully ground
shank: straight shank
standard: DIN341
Point:118°, 135°
usage:drilling for stainless stee, metal, plastic , wood, poly wood and etc.
Sutable in hand drill, bench drill and etc.
size:
Drilling for stainless steel, metal ,wood, plastic and etc.
made by HSS + tungsten carbide tip. High quality.
Hardness: HRA90-91