Twist drill bit HSS DIN 345 type RN
Twist drill HSS DIN 345 type RN
DRL-TWST-MET-DIN345-MK-HSS-D22,0
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Precise tapping 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
Sustainable product packaging made of 100 % PCR (recycled plastic from household waste), 100 % recyclable and Cradle to Cradle Certified® Bronze
Datasheets(X)
Suitable for machine type | Pedestal drilling machine |
Material to be processed | Steel |
Quality | Würth-Standard |
Standard / drilling depth | DIN 345 / 5xD |
Diameter (Ø) | 22 mm |
Suitable for morse taper tools | MK 2 |
Length (l1) | 248 mm |
Chip flute length (l2) | 150 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 |
Cutting values | ||||||||||||
For dia. 10.0-16.0 | ||||||||||||
Material designation | Tensile strength | from dia. 10.0 | from dia. 12.0 | from dia. 16.0 | ||||||||
vc | n | f | n | f | n | f | ||||||
from | to | from | to | from | to | from | to | |||||
Steels | ||||||||||||
General structural steels | ≤ 850 N/mm² | 25 | 30 | 796 | 955 | 0,160 | 663 | 796 | 0,200 | 497 | 597 | 0,250 |
Unalloyed quenched and tempered steels | ≤ 850 N/mm² | 25 | 30 | 796 | 955 | 0,160 | 663 | 796 | 0,200 | 497 | 597 | 0,250 |
Low-alloy quenched and tempered steels | ≤ 850 N/mm² | 25 | 30 | 796 | 955 | 0,160 | 663 | 796 | 0,200 | 497 | 597 | 0,250 |
Unalloyed quenched and tempered steels | ≤ 1,000 N/mm² | 22 | 25 | 700 | 796 | 0,160 | 584 | 663 | 0,200 | 438 | 497 | 0,250 |
Low-alloy quenched and tempered steels | ≤ 1,000 N/mm² | 22 | 25 | 700 | 796 | 0,160 | 584 | 663 | 0,200 | 438 | 497 | 0,250 |
Alloyed quenched and tempered steels | ≤ 1,200 N/mm² | 10 | 16 | 318 | 509 | 0,120 | 265 | 424 | 0,150 | 199 | 318 | 0,180 |
Nitriding steels | ≤ 1,200 N/mm² | 10 | 16 | 318 | 509 | 0,120 | 265 | 424 | 0,150 | 199 | 318 | 0,180 |
Tool steels | ≤ 1,200 N/mm² | 10 | 16 | 318 | 509 | 0,120 | 265 | 424 | 0,150 | 199 | 318 | 0,180 |
High-speed steels | ≤ 1,200 N/mm² | 10 | 16 | 318 | 509 | 0,120 | 265 | 424 | 0,150 | 199 | 318 | 0,180 |
Cast metals | ||||||||||||
Cast iron | ≤ 350 HB | 28 | 32 | 891 | 1019 | 0,240 | 743 | 849 | 0,260 | 557 | 637 | 0,300 |
Spheroidal graphite and malleable iron | ≤ 350 HB | 22 | 25 | 700 | 796 | 0,240 | 584 | 663 | 0,260 | 438 | 497 | 0,300 |
Plastics | ||||||||||||
Plastics | ≤ 200 N/mm² | 20 | 30 | 637 | 955 | 0,120 | 531 | 796 | 0,150 | 398 | 597 | 0,180 |
For dia. 20.0-28.0 | ||||||||||||
Material designation | Tensile strength | from dia. 20.0 | from dia. 24.0 | from dia. 28.0 | ||||||||
vc | n | f | n | f | n | f | ||||||
from | to | from | to | from | to | from | to | |||||
Steels | ||||||||||||
General structural steels | ≤ 850 N/mm² | 25 | 30 | 398 | 477 | 0,280 | 332 | 398 | 0,320 | 284 | 341 | 0,360 |
Unalloyed quenched and tempered steels | ≤ 850 N/mm² | 25 | 30 | 398 | 477 | 0,280 | 332 | 398 | 0,320 | 284 | 341 | 0,360 |
Low-alloy quenched and tempered steels | ≤ 850 N/mm² | 25 | 30 | 398 | 477 | 0,280 | 332 | 398 | 0,320 | 284 | 341 | 0,360 |
Unalloyed quenched and tempered steels | ≤ 1,000 N/mm² | 22 | 25 | 350 | 398 | 0,280 | 292 | 332 | 0,320 | 250 | 284 | 0,360 |
Low-alloy quenched and tempered steels | ≤ 1,000 N/mm² | 22 | 25 | 350 | 398 | 0,280 | 292 | 332 | 0,320 | 250 | 284 | 0,360 |
Alloyed quenched and tempered steels | ≤ 1,200 N/mm² | 10 | 16 | 159 | 255 | 0,200 | 133 | 212 | 0,240 | 114 | 182 | 0,260 |
Nitriding steels | ≤ 1,200 N/mm² | 10 | 16 | 159 | 255 | 0,200 | 133 | 212 | 0,240 | 114 | 182 | 0,260 |
Tool steels | ≤ 1,200 N/mm² | 10 | 16 | 159 | 255 | 0,200 | 133 | 212 | 0,240 | 114 | 182 | 0,260 |
High-speed steels | ≤ 1,200 N/mm² | 10 | 16 | 159 | 255 | 0,200 | 133 | 212 | 0,240 | 114 | 182 | 0,260 |
Cast metals | ||||||||||||
Cast iron | ≤ 350 HB | 28 | 32 | 446 | 509 | 0,340 | 371 | 424 | 0,400 | 318 | 364 | 0,450 |
Spheroidal graphite and malleable iron | ≤ 350 HB | 22 | 25 | 350 | 398 | 0,340 | 292 | 332 | 0,400 | 250 | 284 | 0,450 |
Plastics | ||||||||||||
Plastics | ≤ 200 N/mm² | 20 | 30 | 318 | 477 | 0,200 | 265 | 398 | 0,240 | 227 | 341 | 0,260 |
For dia. 32.0-40.0 | ||||||||||||
Material designation | Tensile strength | from dia. 32.0 | from dia. 36.0 | from dia. 40.0 | ||||||||
vc | n | f | n | f | n | f | ||||||
from | to | from | to | from | to | from | to | |||||
Steels | ||||||||||||
General structural steels | ≤ 850 N/mm² | 25 | 30 | 249 | 298 | 0,400 | 221 | 265 | 0,440 | 199 | 239 | 0,500 |
Unalloyed quenched and tempered steels | ≤ 850 N/mm² | 25 | 30 | 249 | 298 | 0,400 | 221 | 265 | 0,440 | 199 | 239 | 0,500 |
Low-alloy quenched and tempered steels | ≤ 850 N/mm² | 25 | 30 | 249 | 298 | 0,400 | 221 | 265 | 0,440 | 199 | 239 | 0,500 |
Unalloyed quenched and tempered steels | ≤ 1,000 N/mm² | 22 | 25 | 219 | 249 | 0,400 | 195 | 221 | 0,440 | 175 | 199 | 0,500 |
Low-alloy quenched and tempered steels | ≤ 1,000 N/mm² | 22 | 25 | 219 | 249 | 0,400 | 195 | 221 | 0,440 | 175 | 199 | 0,500 |
Alloyed quenched and tempered steels | ≤ 1,200 N/mm² | 10 | 16 | 99 | 159 | 0,300 | 88 | 141 | 0,320 | 80 | 127 | 0,360 |
Nitriding steels | ≤ 1,200 N/mm² | 10 | 16 | 99 | 159 | 0,300 | 88 | 141 | 0,320 | 80 | 127 | 0,360 |
Tool steels | ≤ 1,200 N/mm² | 10 | 16 | 99 | 159 | 0,300 | 88 | 141 | 0,320 | 80 | 127 | 0,360 |
High-speed steels | ≤ 1,200 N/mm² | 10 | 16 | 99 | 159 | 0,300 | 88 | 141 | 0,320 | 80 | 127 | 0,360 |
Cast metals | ||||||||||||
Cast iron | ≤ 350 HB | 28 | 32 | 279 | 318 | 0,500 | 248 | 283 | 0,540 | 223 | 255 | 0,580 |
Spheroidal graphite and malleable iron | ≤ 350 HB | 22 | 25 | 219 | 249 | 0,500 | 195 | 221 | 0,540 | 175 | 199 | 0,580 |
Plastics | ||||||||||||
Plastics | ≤ 200 N/mm² | 20 | 30 | 199 | 298 | 0,300 | 177 | 265 | 0,320 | 159 | 239 | 0,360 |
For dia. 50.0-60.0 | |||||||||
Material designation | Tensile strength | from dia. 50.0 | from dia. 60.0 | ||||||
vc | n | f | n | f | |||||
from | to | from | to | from | to | ||||
Steels | |||||||||
General structural steels | ≤ 850 N/mm² | 25 | 30 | 159 | 191 | 0,600 | 133 | 159 | 0,700 |
Unalloyed quenched and tempered steels | ≤ 850 N/mm² | 25 | 30 | 159 | 191 | 0,600 | 133 | 159 | 0,700 |
Low-alloy quenched and tempered steels | ≤ 850 N/mm² | 25 | 30 | 159 | 191 | 0,600 | 133 | 159 | 0,700 |
Unalloyed quenched and tempered steels | ≤ 1,000 N/mm² | 22 | 25 | 140 | 159 | 0,600 | 117 | 133 | 0,700 |
Low-alloy quenched and tempered steels | ≤ 1,000 N/mm² | 22 | 25 | 140 | 159 | 0,600 | 117 | 133 | 0,700 |
Alloyed quenched and tempered steels | ≤ 1,200 N/mm² | 10 | 16 | 64 | 102 | 0,400 | 53 | 85 | 0,500 |
Nitriding steels | ≤ 1,200 N/mm² | 10 | 16 | 64 | 102 | 0,400 | 53 | 85 | 0,500 |
Tool steels | ≤ 1,200 N/mm² | 10 | 16 | 64 | 102 | 0,400 | 53 | 85 | 0,500 |
High-speed steels | ≤ 1,200 N/mm² | 10 | 16 | 64 | 102 | 0,400 | 53 | 85 | 0,500 |
Cast metals | |||||||||
Cast iron | ≤ 350 HB | 28 | 32 | 178 | 204 | 0,650 | 149 | 170 | 0,700 |
Spheroidal graphite and malleable iron | ≤ 350 HB | 22 | 25 | 140 | 159 | 0,650 | 117 | 133 | 0,700 |
Plastics | |||||||||
Plastics | ≤ 200 N/mm² | 20 | 30 | 127 | 191 | 0,400 | 106 | 159 | 0,500 |
Key |
vc = cutting speed [m/min] |
f = feed [mm/r] |
n = rotation speed [rpm] |
The suggested cutting values are reference values and must be adapted to the respective conditions. |
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