Twist drill bit, metal Ruko DIN 338 HSS-G golden
Twist drill HSS-G golden DIN 338 Ruko
DRL-SPRL-RUKO-2146040-DIN338-D4
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The twist drill bit creates a burr-free edge through very clean holes. It is possible to start the drilling immediately after attachment, with no pre-marking required. The fracture stability is increased by up to 50%, as the core diameter increases constantly in the shaft direction (from dia. 3.2 mm). 3-way milled clamping surfaces prevent the drill from spinning in the tool (from dia. 5.0 mm).
Datasheets(X)
For unalloyed and alloyed steels (up to approx. 900 N/mm² strength), for drilling thin-walled profiles and sheet metal up to 5.0 mm, plastics and wood.
Standard / drilling depth | DIN 338 / 5xD |
Diameter (Ø) | 4.0 mm |
Length (l1) | 75 mm |
Chip flute length (l2) | 43.0 mm |
Shank style | 3-face shank |
Surface | Golden/black oxidized |
Cutting material | HSS-G |
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