HELICAL BITS FOR METAL HAWERA HSS-CO DIN 338

HELICAL BITS FOR METAL HAWERA HSS-CO DIN 338

Precision drill bit for strong and hard steels

REFERENCE	Diameter	Working length	Length total
145156	2,5	30	57
145157	3	33	61
145161	3,5	39	70
145162	4	43	75
145167	5	52	86

Fast-cutting alloy steel (5 % Co):
Marked resistance to heat and wear.

Spiral angle 35°:
Optimal evacuation of chips.

Self-centering properties of the cross bit tip:
Start of drilling without previous punching.

Recommended for working in:
Alloy and non-alloy steel with a strength up to 1,000 N/mm², stainless steel V2A/V4A, grey cast iron, cast steel, acid-resistant refractory steels.

Information for the user:
Recommended for use in drilling support or column drill; Work with refrigerant.
Helical drill bit made of ultra-fast alloyed steel according to DIN 338, cobalt content 5 %; right cutting helical bit type N, 135° bit head, cross-sharpened according to DIN 1412C, diameter tolerance h 8; Fully rectified steel drill bit, surface finish according to special manufacturing standard.