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Center Drills HSS 3.15mm
Length: 50mm
Shank: 8mm
Point: 3.15mm
Material: High-Speed Steel (DIN371 M2 6542 HSS)
High-quality drills
Great for all types of mild steel, aluminium, stainless
Centre drills are double-ended drills with a 60' stepped point, held in a drill chuck or collet chuck in a lathe or drill press they create an accurate pilot for a drill bit. Also, an accurate centre hole in the face of a job for a live centre to be inserted to support the end of the job, whilst turning it.
Longer jobs generally require a live centre from the tailstock of the lathe to support the job, which prevents chatter and run out.