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Twist drill bit HSS DIN 345 type RN

Twist drill HSS DIN 345 type RN
DRL-TWST-MET-DIN345-MK-HSS-D25,5

Art.-no. 0625302550
EAN 4052712088438

Prices for customers after login
Twist drill bit HSS DIN 345 type RN

Art.-no. 0625302550

Prices for customers after login
Quantity
PU
x 1 pcs

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Affordable, steel morse taper drill bit for general, broad applications in steel up to 1,000 N/mm² and in cast iron for use in box column drills.

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

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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

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.
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
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. 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. 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

Art.-no.
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