Twist drill bit HSS DIN 1869 R1 type RN
Twist drill HSS DIN 1869 R1 type RN
DRL-TWST-MET-DIN1869-R1-HSS-D7,0
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- Vapour-plated surface for excellent adhesive properties of cooling lubricants and a reduced tendency towards the buildup of material deposits
- Product packaging made of 100 % PCR (recycled plastic from household waste), 100 % recyclable and Cradle to Cradle Certified® Bronze
When using the drill bit in accordance with DIN 1869, it is recommended to create a pilot hole with a depth of 1xD to 2xD. Our extra-short precision drill bit in accordance with DIN 1897 (art. no. 062470…) is ideal for this task.
Datasheets(X)
Suitable for machine type | Drill |
Material to be processed | Steel |
Quality | Würth-Standard |
Standard / drilling depth | DIN 1869 / 20xD |
Diameter (Ø) | 7 mm |
Length (l1) | 225 mm |
Chip flute length (l2) | 155 mm |
Shank diameter | 7 mm |
Shank style | Cylindrical |
Surface | Vaporised |
Cutting material | HSS |
Type | RN |
Angle of the tip | 118 Degree |
Service life (points system) | 2 of 4 points |
Drilling speed (point system) | 2 of 4 points |
Bore hole quality (point system) ( ) | 2 of 4 points |
Versatility (points system) | 2 of 4 points |
Drilling behaviour (point system) | 3 of 4 points |
Suitable for drill (points system) | 2 of 4 points |
Suitable for cordless drills (points system) | 2 of 4 points |
Suitable for upright drilling machine (points system) | 2 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. 4.0-6.0 | ||||||||||||
Material designation | Tensile strength | from dia. 4.0 | from dia. 5.0 | from dia. 6.0 | ||||||||
vc | n | f | n | f | n | f | ||||||
from | to | from | to | from | to | from | to | |||||
Steels | ||||||||||||
General structural steels | ≤ 850 N/mm² | 25 | 30 | 1989 | 2387 | 0,060 | 1592 | 1910 | 0,080 | 1326 | 1592 | 0,100 |
Unalloyed quenched and tempered steels | ≤ 850 N/mm² | 25 | 30 | 1989 | 2387 | 0,060 | 1592 | 1910 | 0,080 | 1326 | 1592 | 0,100 |
Low-alloy quenched and tempered steels | ≤ 850 N/mm² | 25 | 30 | 1989 | 2387 | 0,060 | 1592 | 1910 | 0,080 | 1326 | 1592 | 0,100 |
Unalloyed quenched and tempered steels | ≤ 1,000 N/mm² | 22 | 25 | 1751 | 1989 | 0,060 | 1401 | 1592 | 0,080 | 1167 | 1326 | 0,100 |
Low-alloy quenched and tempered steels | ≤ 1,000 N/mm² | 22 | 25 | 1751 | 1989 | 0,060 | 1401 | 1592 | 0,080 | 1167 | 1326 | 0,100 |
Alloyed quenched and tempered steels | ≤ 1,200 N/mm² | 10 | 16 | 796 | 1273 | 0,050 | 637 | 1019 | 0,060 | 531 | 849 | 0,080 |
Nitriding steels | ≤ 1,200 N/mm² | 10 | 16 | 796 | 1273 | 0,050 | 637 | 1019 | 0,060 | 531 | 849 | 0,080 |
Tool steels | ≤ 1,200 N/mm² | 10 | 16 | 796 | 1273 | 0,050 | 637 | 1019 | 0,060 | 531 | 849 | 0,080 |
High-speed steels | ≤ 1,200 N/mm² | 10 | 16 | 796 | 1273 | 0,050 | 637 | 1019 | 0,060 | 531 | 849 | 0,080 |
Cast metals | ||||||||||||
Cast iron | ≤ 350 HB | 28 | 32 | 2228 | 2546 | 0,060 | 1783 | 2037 | 0,080 | 1485 | 1698 | 0,100 |
Spheroidal graphite and malleable iron | ≤ 350 HB | 22 | 25 | 1751 | 1989 | 0,060 | 1401 | 1592 | 0,080 | 1167 | 1326 | 0,100 |
Plastics | ||||||||||||
Plastics | ≤ 200 N/mm² | 20 | 30 | 1592 | 2387 | 0,050 | 1273 | 1910 | 0,060 | 1061 | 1592 | 0,080 |
For dia. 8.0-13.0 | ||||||||||||
Material designation | Tensile strength | from dia. 8.0 | from dia. 10.0 | from dia. 13.0 | ||||||||
vc | n | f | n | f | n | f | ||||||
from | to | from | to | from | to | from | to | |||||
Steels | ||||||||||||
General structural steels | ≤ 850 N/mm² | 25 | 30 | 995 | 1194 | 0,120 | 796 | 955 | 0,140 | 612 | 735 | 0,160 |
Unalloyed quenched and tempered steels | ≤ 850 N/mm² | 25 | 30 | 995 | 1194 | 0,120 | 796 | 955 | 0,140 | 612 | 735 | 0,160 |
Low-alloy quenched and tempered steels | ≤ 850 N/mm² | 25 | 30 | 995 | 1194 | 0,120 | 796 | 955 | 0,140 | 612 | 735 | 0,160 |
Unalloyed quenched and tempered steels | ≤ 1,000 N/mm² | 22 | 25 | 875 | 995 | 0,120 | 700 | 796 | 0,140 | 539 | 612 | 0,160 |
Low-alloy quenched and tempered steels | ≤ 1,000 N/mm² | 22 | 25 | 875 | 995 | 0,120 | 700 | 796 | 0,140 | 539 | 612 | 0,160 |
Alloyed quenched and tempered steels | ≤ 1,200 N/mm² | 10 | 16 | 398 | 637 | 0,100 | 318 | 509 | 0,100 | 245 | 392 | 0,120 |
Nitriding steels | ≤ 1,200 N/mm² | 10 | 16 | 398 | 637 | 0,100 | 318 | 509 | 0,100 | 245 | 392 | 0,120 |
Tool steels | ≤ 1,200 N/mm² | 10 | 16 | 398 | 637 | 0,100 | 318 | 509 | 0,100 | 245 | 392 | 0,120 |
High-speed steels | ≤ 1,200 N/mm² | 10 | 16 | 398 | 637 | 0,100 | 318 | 509 | 0,100 | 245 | 392 | 0,120 |
Cast metals | ||||||||||||
Cast iron | ≤ 350 HB | 28 | 32 | 1114 | 1273 | 0,120 | 891 | 1019 | 0,140 | 686 | 784 | 0,160 |
Spheroidal graphite and malleable iron | ≤ 350 HB | 22 | 25 | 875 | 995 | 0,120 | 700 | 796 | 0,140 | 539 | 612 | 0,160 |
Plastics | ||||||||||||
Plastics | ≤ 200 N/mm² | 20 | 30 | 796 | 1194 | 0,100 | 637 | 955 | 0,100 | 490 | 735 | 0,120 |
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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