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.