Twist drill bits HSS DIN 338 type RN TIN head
Twist drill bit HSS DIN 338 type RN TiN
DRL-TWST-MET-DIN338-HSS-TIN-D8,0MM
ZEBRA
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Precise & Quick drilling
- The sturdy twist drill with its short design provides for precise drilling.
- Very precise tip and the related precise cutting geometry, a constant drilled-hole quality is ensured, ideal for core hole drilling.
- Optimized crosswise drill point narrowing provides 20% lower feed force saving compared with conventional drill bit.
Self-centering
The crosswise grinding ensures an excellent centering effect even on domed surfaces, eliminating the need for center-punching or piloting.
Long tool life
The TiN coating increase the heat resistance up to 600º, which provides 3 times more tool life in comparison with a non-coated HSS drill
Product packaging made of 100% PCR (recycled plastic from household waste), 100% recyclable and Cradle to Cradle Certified® Bronze
The Ø 13.0 mm drill shank is reduced to Ø 12.7 mm.
Datasheets(X)
Material to be processed | Steel |
Standard / drilling depth | DIN 338 / 5xD |
Diameter (Ø) | 8 mm |
Length (l1) | 117 mm |
Chip flute length (l2) | 75 mm |
Shank style | Cylindrical |
Surface | TiN |
Cutting material | HSS |
Type | RN |
Angle of the tip | 130 Degree |
Service life (points system) | 4 of 4 points |
Drilling speed (point system) | 3 of 4 points |
Bore hole quality (point system) ( ) | 4 of 4 points |
Versatility (points system) | 2 of 4 points |
Drilling behaviour (point system) | 3 of 4 points |
Suitable for drill (points system) | 3 of 4 points |
Suitable for cordless drills (points system) | 3 of 4 points |
Suitable for upright drilling machine (points system) | 3 of 4 points |
Suitable for milling-drilling centre (points system) | 2 of 4 points |
Self-centring | Yes |
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