Twist drill bit, metal Ruko DIN 338 HSS-R black oxidised
Twist drill HSS-R black oxidised DIN 338 Ruko
DRL-SPRL-RUKO-201078-DIN338-D7,8
Art.-no.
1971002414
EAN 4062856567386
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Powerful, rolled and steam-treated twist drill bit made of high-performance high-speed steel.
The manufacturing process (no structural interruption) solidifies the material and thus makes it more elastic. This means that it offers increased fracture resistance and is suitable for robust drilling units.
Product information
Datasheets(X)
Standard / drilling depth | DIN 338 / 5xD |
Diameter (Ø) | 7.8 mm |
Length (l1) | 117 mm |
Chip flute length (l2) | 75.0 mm |
Shank style | Cylindrical |
Surface | Plain |
Cutting material | HSS-R |