Twist drill bit HSS DIN 345 type RN
Twist drill HSS DIN 345 type RN
DRL-TWST-MET-DIN345-MK-HSS-D25,5
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Precise spot drilling without centring, even on curved surfaces
Optimised split point
Excellent adhesive properties of cooling lubricants and a reduced tendency towards the buildup of material deposits
Vapour-plated surface
Product packaging made from 100 % PCR (recycled plastic from household waste) and 100 % recyclable
Datasheets(X)
Suitable for machine type | Pedestal drilling machine |
Material to be processed | Steel, Cast iron |
Quality | Würth-Standard |
Standard / drilling depth | DIN 345 / 5xD |
Diameter (Ø) | 25.5 mm |
Suitable for morse taper tools | MK 3 |
Length (l1) | 286 mm |
Chip flute length (l2) | 165 mm |
Shank style | Morse taper |
Surface | Vaporised |
Cutting material | HSS |
Type | RN |
Angle of the tip | 118 Degree |
Service life (points system) | 3 of 4 points |
Drilling speed (point system) | 3 of 4 points |
Bore hole quality (point system) ( ) | 3 of 4 points |
Versatility (points system) | 2 of 4 points |
Drilling behaviour (point system) | 3 of 4 points |
Suitable for upright drilling machine (points system) | 4 of 4 points |
Suitable for milling-drilling centre (points system) | 1 of 4 points |
Self-centring | Yes |
Suitable for tensile strength up to | 1000 N/mm² |
Material of sub-group | General structural steels, Non-alloyed tempering steels, Cast iron, Ductile iron, Malleable cast iron, Magnesium alloys, Copper, low-alloyed, Brass, short-chipping, Brass, long-chipping, Plastics, thermoset, Plastics, thermoplastic |
| Cutting values |
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