Solid carbide twist drill bit, DIN 6537K DIN 6537K
Twist drill bit SD DIN 6537K type N TiAlN-S Uni
DRL-TWST-DIN6537K-UV-SC-TNS-HB-D2,6MM
Art.-no. 5443000702
EAN 4055375898505
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For universal applications. Highly robust with universal application thanks to its straight main cutter. Its special grinding ensures optimal chipping, high centring accuracy and low cutting forces.
Product information
Datasheets(X)
 | |
Product code | 6727 |
Material to be processed | Steel, Cast metal, Stainless steel, Copper, Brass, Aluminium, Plastic |
Standards | DIN 6537 |
Design | Short |
Surface | TiAlN-S |
Max. drilling depth (D) | 3xD |
Cutting material | SC |
Number of guiding chamfers | 2 PCS |
Angle of the tip | 140 Degree |
Number of cutting edges | 2 PCS |
Coolant supply | External |
Diameter (d1) | 2.6 mm |
Shank style | Cylindrical DIN 6535-HB |
Length (l1) | 55 mm |
Chip flute length (l2) | 20 mm |
Tolerance of cutting edge diameter | h7 |
Shank diameter (d2) | 4 mm |
Tolerance of shank diameter | h6 |
Material of sub-group | General structural steels, Non-alloyed tempering steels < 1000 N/mm², Alloyed tempering steels < 1000 N/mm², Nitriding steels < 1300 N/mm², Grey cast iron, Malleable cast iron, Stainless steels < 850 N/mm², Stainless steels > 850 N/mm², Copper, Brass, Aluminium, Plastics |
| Cutting values for Speeddrill solid carbide high-performance drill, 3xd1 with no internal cooling | |||||||
| For dia. from 1 to 8.9 mm | |||||||
| Specifications | Tensile strength | Cooling | vc | f | |||
| Dia. from 1 to 1.9 mm | Dia. from 2 to 2.9 mm | Dia. from 3 to 5.9 mm | Dia. from 6 to 8.9 mm | ||||
| Structural steels for general use | < 500 N/mm² | E | 105 | 0,06 | 0,09 | 0,16 | 0,22 |
| 500-850 N/mm² | E | 90 | 0,06 | 0,09 | 0,16 | 0,22 | |
| Machining steels | < 850 N/mm² | E | 105 | 0,06 | 0,09 | 0,16 | 0,22 |
| 850-1,000 N/mm² | E | 90 | 0,06 | 0,09 | 0,16 | 0,22 | |
| Non-alloyed heat-treated steels | < 700 N/mm² | E | 85 | 0,05 | 0,08 | 0,15 | 0,21 |
| 700-850 N/mm² | E | 85 | 0,05 | 0,08 | 0,15 | 0,21 | |
| 850-1,000 N/mm² | E | 85 | 0,03 | 0,05 | 0,08 | 0,12 | |
| Alloyed heat-treated steels | 850-1,000 N/mm² | E | 85 | 0,03 | 0,05 | 0,08 | 0,12 |
| 1,000-1,200 N/mm² | E | 80 | 0,03 | 0,05 | 0,08 | 0,12 | |
| Unalloyed hardened steels | < 750 N/mm² | E | 100 | 0,06 | 0,09 | 0,16 | 0,22 |
| Alloyed hardened steels | < 1,000 N/mm² | E | 90 | 0,06 | 0,09 | 0,16 | 0,22 |
| 1,000-1,200 N/mm² | E | 85 | 0,05 | 0,08 | 0,15 | 0,21 | |
| Nitriding steels | < 1,000 N/mm² | E | 85 | 0,03 | 0,05 | 0,08 | 0,12 |
| 1,000-1,200 N/mm² | E | 85 | 0,03 | 0,05 | 0,08 | 0,12 | |
| Tool steels | < 850 N/mm² | E | 65 | 0,03 | 0,05 | 0,08 | 0,12 |
| 850-1,100 N/mm² | E | 55 | 0,03 | 0,05 | 0,08 | 0,12 | |
| Spring steels | < 1,200 N/mm² | E | 45 | 0,03 | 0,05 | 0,08 | 0,12 |
| Cast iron | < 180 HB | T/E | 120 | 0,08 | 0,13 | 0,20 | 0,25 |
| > 180 HB | T/E | 100 | 0,08 | 0,13 | 0,20 | 0,25 | |
| Malleable spheroidal graphite cast iron | > 180 HB | E | 100 | 0,05 | 0,08 | 0,13 | 0,18 |
| > 260 HB | E | 95 | 0,05 | 0,08 | 0,13 | 0,18 | |
| Legend |
| T = dry |
| E = emulsion |
| vc = cutting velocity [m/min] |
| f = feed [mm/r] |
| The recommended cutting values are reference values and must be adapted to the respective conditions. |
| Cutting values for Speeddrill solid carbide high-performance drill, 3xd1 with no internal cooling | ||||||
| For dia. from 9 to 20 mm | ||||||
| Specifications | Tensile strength | Cooling | vc | f | ||
| Dia. from 9 to 11.9 mm | Dia. from 12 to 15.9 mm | Dia. from 16 to 20 mm | ||||
| Structural steels for general use | < 500 N/mm² | E | 105 | 0,28 | 0,34 | 0,40 |
| 500-850 N/mm² | E | 90 | 0,28 | 0,34 | 0,40 | |
| Machining steels | < 850 N/mm² | E | 105 | 0,28 | 0,34 | 0,40 |
| 850-1,000 N/mm² | E | 90 | 0,28 | 0,34 | 0,40 | |
| Non-alloyed heat-treated steels | < 700 N/mm² | E | 85 | 0,27 | 0,32 | 0,38 |
| 700-850 N/mm² | E | 85 | 0,27 | 0,32 | 0,38 | |
| 850-1,000 N/mm² | E | 85 | 0,15 | 0,20 | 0,26 | |
| Alloyed heat-treated steels | 850-1,000 N/mm² | E | 85 | 0,15 | 0,20 | 0,26 |
| 1,000-1,200 N/mm² | E | 80 | 0,15 | 0,20 | 0,26 | |
| Unalloyed hardened steels | < 750 N/mm² | E | 100 | 0,28 | 0,34 | 0,40 |
| Alloyed hardened steels | < 1,000 N/mm² | E | 90 | 0,28 | 0,34 | 0,40 |
| 1,000-1,200 N/mm² | E | 85 | 0,27 | 0,32 | 0,38 | |
| Nitriding steels | < 1,000 N/mm² | E | 85 | 0,15 | 0,20 | 0,26 |
| 1,000-1,200 N/mm² | E | 85 | 0,15 | 0,20 | 0,26 | |
| Tool steels | < 850 N/mm² | E | 65 | 0,15 | 0,20 | 0,26 |
| 850-1,100 N/mm² | E | 55 | 0,15 | 0,20 | 0,26 | |
| Spring steels | < 1,200 N/mm² | E | 45 | 0,15 | 0,20 | 0,26 |
| Cast iron | < 180 HB | T/E | 120 | 0,35 | 0,40 | 0,46 |
| > 180 HB | T/E | 100 | 0,35 | 0,40 | 0,46 | |
| Malleable spheroidal graphite cast iron | > 180 HB | E | 100 | 0,23 | 0,30 | 0,36 |
| > 260 HB | E | 95 | 0,23 | 0,30 | 0,36 | |