Solid carbide jobber drill, SuperLine, 7 x D, shank according to DIN 6535-HE, with internal cooling Design: Right cutting, with special grinding. Normal angle of rake, core thickness thicker than normal and without core gradient. The drill has a very good self-centring behaviour and produces short chips, even from long-chipping materials. Application: For accurate holes with narrow Ø tolerances and good surfaces. Suitable for drilling deep holes up to 7 x D with high cutting values. Particularly suitable for long and short-chipping materials such as construction and case-hardening steels, steel castings, tempered steels, carbon steels, bronzes, castings, high alloy AlSi alloys and alloy steels up to 1200 N/mm² in strength. With twisted internal cooling through the bar. The coolant directly accesses the blades and flushes the chips out of the hole.
Specifikationer
EAN-kod:
4031093796491
Katalogsida:
1128
Tillv. artnr:
9056120093000
Förpackningsstorlek:
1
Förpackningsenhet:
Styck
Vikt:
0.101kg
Ø d1 = m7:
9,30mm
Spirallängd I2:
87,0mm
Skaftlängd I3:
40mm
Totallängd I1:
139mm
Skaft-Ø d2 = h 6:
10mm
Stål < 1000 N/mm² f:
0,250mm/v
Fabrikat:
GÜHRING
Stål < 700 N/mm²:
130
Stål < 1000 N/mm²:
120
Stål < 1400 N/mm²:
105
Rostfritt Ferrit/Martens.:
60
Rostfritt Austenitiskt:
55
Rostfritt Duplex:
45
Gjutjärn GG/GTS:
180
Gjutjärn GGG:
144
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