Welcome to Würth Aerospace Solutions For trade customers only

Speeddrill+ Universal solid carbide twist drill bit DIN 6537L, extra-long 8xD, 4 drill heels, with internal cooling

Twist drill bit SD+ DIN6537 8xD Type N IC ALTINDUR pl
DRL-SDPLUS-8XD-UV-IC-SC-HB-D8,5MM

Art.-no. 5443934055
EAN 4065746523998

Prices for customers after login
Speeddrill+ Universal solid carbide twist drill bit DIN 6537L, extra-long 8xD, 4 drill heels, with internal cooling

Art.-no. 5443934055

Prices for customers after login
Quantity
PU
x 1 pcs

Exclusively for trade customers

Register now and access more than 125,000 products

Solid carbide high-performance drill bit with internal cooling channels for universal applications. High degree of stability and universal application with straight main cutting edge. Special geometry for optimum chip breaking, high centring accuracy and low cutting forces.
Product information

Datasheets(X)

Certificates/ Documents

 | 

 | 

Product code

6748

Material to be processed

Steel
Cast metal
Stainless steel
Copper
Brass
Aluminium

Standards

CS

Design

Extra long

Surface

ALTINDUR

Max. drilling depth (D)

8xD

Cutting material

SC

Number of guiding chamfers

4 PCS

Angle of the tip

135 Degree

Number of cutting edges

2 PCS

Coolant supply

Internal

Diameter (d1)

8.5 mm

Shank style

Cylindrical DIN 6535-HB

Length (l1)

142 mm

Chip flute length (l2)

95 mm

Tolerance of cutting edge diameter

h7

Shank diameter (d2)

10 mm

Tolerance of shank diameter

h5

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
Stainless steels < 850 N/mm²
Stainless steels > 850 N/mm²
Copper
Brass
Aluminium

Cutting values
For dia. 1 to dia. 4.9
Material designationTensile strengthRefrigerationvcf
Dia. 1 to dia. 1.9Dia. 2 to dia. 2.9Dia. 3 to dia. 3.9Dia. 4 to dia. 4.9
Steels
General structural steels< 500 N/mm²E1320,0320,0640,0940,136
General structural steels500-850 N/mm²E1200,0320,0640,0940,136
Carbon steels< 800 N/mm²E1320,0320,0640,0940,136
Unalloyed heat-treated steels< 700 N/mm²E960,0320,0640,0940,136
Unalloyed heat-treated steels700-850 N/mm²E960,0320,0640,0940,136
Alloyed heat-treated steels850-1000 N/mm²E1080,0320,0640,0940,136
Alloyed heat-treated steels800-1200 N/mm²E900,0320,0640,0940,136
Unalloyed case-hardening steels< 750 N/mm²E1200,0320,0640,0940,136
Alloyed case-hardening steels850-1200 N/mm²E1080,0320,0640,0940,136
Nitriding steels1000-1200 N/mm²E1080,0320,0640,0940,136
Unalloyed tool steels< 850 N/mm²E960,0320,0640,0940,136
Tool steels for cold applications850-1100 N/mm²E720,0220,0360,0520,074
Tool steels for cold applications1100-1400 N/mm²E720,0220,0360,0520,074
Tool steels for hot applications1100-1400 N/mm²E600,0220,0260,0520,068
High-speed steels850-1200 N/mm²E420,0320,0640,0940,136
Spring steels800-1200 N/mm²E840,0260,0340,0520,074
Stainless steels
Stainless steels (sulphurated)< 700 N/mm²E660,0220,0260,0520,068
Stainless steels (austenitic)< 700 N/mm²E480,0220,0260,0520,068
Stainless steels (martensitic)< 1100 N/mm²E460,0220,0260,0520,068
Cast irons
Grey cast iron< 180 HBE920,0480,0900,1320,210
Spheroidal graphite iron< 180 HBE860,0260,0520,0780,126
Non-ferrous metals
Copper alloys (short-chipping)< 600 N/mm²E2040,0510,0930,1260,176
Copper alloys (long-chipping)< 600 N/mm²E1630,0510,0930,1260,176
Special copper alloys (< 200 HB)< 200 HBE1630,0510,0930,1260,176
Special copper alloys (> 300 HB)< 800 N/mm²E1630,0510,0930,1260,176
Bronze, short-chipping< 600 N/mm²E1630,0510,0930,1260,176
Brass, short-chipping< 600 N/mm²E2040,0510,0930,1260,176
Brass, long-chipping< 600 N/mm²E2040,0510,0930,1260,176
Bronze, long-chipping< 850 N/mm²E1630,0510,0930,1260,176
Aluminium (unalloyed, low-alloy)< 400 N/mm²E3670,0850,1680,2100,235
Aluminium alloys< 400 N/mm²E4080,0850,1680,2100,235
Cutting values
For dia. 5 to dia. 8.9
Material designationTensile strengthRefrigerationvcf
Dia. 5 to dia. 5.9Dia. 6 to dia. 6.9Dia. 7 to dia. 7.9Dia. 8 to dia. 8.9
Steels
General structural steels< 500 N/mm²E1320,1580,1980,2200,220
General structural steels500-850 N/mm²E1200,1580,1980,2200,220
Carbon steels< 800 N/mm²E1320,1580,1980,2200,220
Unalloyed heat-treated steels< 700 N/mm²E960,1580,1980,2200,220
Unalloyed heat-treated steels700-850 N/mm²E960,1580,1980,2200,220
Alloyed heat-treated steels850-1000 N/mm²E1080,1580,1980,2200,220
Alloyed heat-treated steels800-1200 N/mm²E900,1580,1980,2200,220
Unalloyed case-hardening steels< 750 N/mm²E1200,1580,1980,2200,220
Alloyed case-hardening steels850-1200 N/mm²E1080,1580,1980,2200,220
Nitriding steels1000-1200 N/mm²E1080,1580,1980,2200,220
Unalloyed tool steels< 850 N/mm²E960,1580,1980,2200,220
Tool steels for cold applications850-1100 N/mm²E720,1160,1440,1660,166
Tool steels for cold applications1100-1400 N/mm²E720,1160,1440,1660,166
Tool steels for hot applications1100-1400 N/mm²E600,0840,1100,1220,122
High-speed steels850-1200 N/mm²E420,1580,1980,2200,220
Spring steels800-1200 N/mm²E840,0840,1220,1320,132
Stainless steels
Stainless steels (sulphurated)< 700 N/mm²E660,0840,1100,1220,122
Stainless steels (austenitic)< 700 N/mm²E480,0840,1100,1220,122
Stainless steels (martensitic)< 1100 N/mm²E460,0840,1100,1220,122
Cast irons
Grey cast iron< 180 HBE920,2200,2520,2620,274
Spheroidal graphite iron< 180 HBE860,1320,1780,1840,190
Non-ferrous metals
Copper alloys (short-chipping)< 600 N/mm²E2040,1940,2560,2590,264
Copper alloys (long-chipping)< 600 N/mm²E1630,1940,2560,2590,264
Special copper alloys (< 200 HB)< 200 HBE1630,1940,2560,2590,264
Special copper alloys (> 300 HB)< 800 N/mm²E1630,1940,2560,2590,264
Bronze, short-chipping< 600 N/mm²E1630,1940,2560,2590,264
Brass, short-chipping< 600 N/mm²E2040,1940,2560,2590,264
Brass, long-chipping< 600 N/mm²E2040,1940,2560,2590,264
Bronze, long-chipping< 850 N/mm²E1630,1940,2560,2590,264
Aluminium (unalloyed, low-alloy)< 400 N/mm²E3670,2530,3170,3340,352
Aluminium alloys< 400 N/mm²E4080,2530,3170,3340,352
Cutting values
For dia. 9 to dia. 12.9
Material designationTensile strengthRefrigerationvcf
Dia. 9 to dia. 9.9Dia. 10 to dia. 10.9Dia. 11 to dia. 11.9Dia. 12 to dia. 12.9
Steels
General structural steels< 500 N/mm²E1320,2420,2860,3080,320
General structural steels500-850 N/mm²E1200,2420,2860,3080,320
Carbon steels< 800 N/mm²E1320,2420,2860,3080,320
Unalloyed heat-treated steels< 700 N/mm²E960,2420,2860,3080,320
Unalloyed heat-treated steels700-850 N/mm²E960,2420,2860,3080,320
Alloyed heat-treated steels850-1000 N/mm²E1080,2420,2860,3080,320
Alloyed heat-treated steels800-1200 N/mm²E900,2420,2860,3080,320
Unalloyed case-hardening steels< 750 N/mm²E1200,2420,2860,3080,320
Alloyed case-hardening steels850-1200 N/mm²E1080,2420,2860,3080,320
Nitriding steels1000-1200 N/mm²E1080,2420,2860,3080,320
Unalloyed tool steels< 850 N/mm²E960,2420,2860,3080,320
Tool steels for cold applications850-1100 N/mm²E720,2100,2280,2400,250
Tool steels for cold applications1100-1400 N/mm²E720,2100,2280,2400,250
Tool steels for hot applications1100-1400 N/mm²E600,1440,1600,1720,182
High-speed steels850-1200 N/mm²E420,2420,2860,3080,320
Spring steels800-1200 N/mm²E840,1660,1720,1820,182
Stainless steels
Stainless steels (sulphurated)< 700 N/mm²E660,1440,1600,1720,182
Stainless steels (austenitic)< 700 N/mm²E480,1440,1600,1720,182
Stainless steels (martensitic)< 1100 N/mm²E460,1440,1600,1720,182
Cast irons
Grey cast iron< 180 HBE920,3680,3500,3600,370
Spheroidal graphite iron< 180 HBE860,2360,2300,2340,240
Non-ferrous metals
Copper alloys (short-chipping)< 600 N/mm²E2040,3090,3280,3380,347
Copper alloys (long-chipping)< 600 N/mm²E1630,3090,3280,3380,347
Special copper alloys (< 200 HB)< 200 HBE1630,3090,3280,3380,347
Special copper alloys (> 300 HB)< 800 N/mm²E1630,3090,3280,3380,347
Bronze, short-chipping< 600 N/mm²E1630,3090,3280,3380,347
Brass, short-chipping< 600 N/mm²E2040,3090,3280,3380,347
Brass, long-chipping< 600 N/mm²E2040,3090,3280,3380,347
Bronze, long-chipping< 850 N/mm²E1630,3090,3280,3380,347
Aluminium (unalloyed, low-alloy)< 400 N/mm²E3670,4140,4380,4460,456
Aluminium alloys< 400 N/mm²E4080,4140,4380,4460,456
Cutting values
For dia. 13 to dia. 16
Material designationTensile strengthRefrigerationvcf
Dia. 13 to dia. 13.9Dia. 14 to dia. 14.9Dia. 15 to dia. 16
Steels
General structural steels< 500 N/mm²E1320,3420,3540,376
General structural steels500-850 N/mm²E1200,3420,3540,376
Carbon steels< 800 N/mm²E1320,3420,3540,376
Unalloyed heat-treated steels< 700 N/mm²E960,3420,3540,376
Unalloyed heat-treated steels700-850 N/mm²E960,3420,3540,376
Alloyed heat-treated steels850-1000 N/mm²E1080,3420,3540,376
Alloyed heat-treated steels800-1200 N/mm²E900,3420,3540,376
Unalloyed case-hardening steels< 750 N/mm²E1200,3420,3540,376
Alloyed case-hardening steels850-1200 N/mm²E1080,3420,3540,376
Nitriding steels1000-1200 N/mm²E1080,3420,3540,376
Unalloyed tool steels< 850 N/mm²E960,3420,3540,376
Tool steels for cold applications850-1100 N/mm²E720,2620,2860,296
Tool steels for cold applications1100-1400 N/mm²E720,2620,2860,296
Tool steels for hot applications1100-1400 N/mm²E600,2060,2160,228
High-speed steels850-1200 N/mm²E420,3420,3540,376
Spring steels800-1200 N/mm²E840,2280,2280,240
Stainless steels
Stainless steels (sulphurated)< 700 N/mm²E660,2060,2160,228
Stainless steels (austenitic)< 700 N/mm²E480,2060,2160,228
Stainless steels (martensitic)< 1100 N/mm²E460,2060,2160,228
Cast irons
Grey cast iron< 180 HBE920,4000,4080,418
Spheroidal graphite iron< 180 HBE860,3000,3100,320
Non-ferrous metals
Copper alloys (short-chipping)< 600 N/mm²E2040,3820,3920,402
Copper alloys (long-chipping)< 600 N/mm²E1630,3820,3920,402
Special copper alloys (< 200 HB)< 200 HBE1630,3820,3920,402
Special copper alloys (> 300 HB)< 800 N/mm²E1630,3820,3920,402
Bronze, short-chipping< 600 N/mm²E1630,3820,3920,402
Brass, short-chipping< 600 N/mm²E2040,3820,3920,402
Brass, long-chipping< 600 N/mm²E2040,3820,3920,402
Bronze, long-chipping< 850 N/mm²E1630,3820,3920,402
Aluminium (unalloyed, low-alloy)< 400 N/mm²E3670,5200,5300,538
Aluminium alloys< 400 N/mm²E4080,5200,5300,538
Key
E = emulsion
vc = cutting speed [m/min]
f = feed [mm/r]
The suggested cutting values are reference values and must be adapted to the respective conditions.

Art.-no.
Cust. Mat. No.

Hazardous Material

Product information

Datasheets()

Datasheets ()

CAD data  | 

Certificates/ Documents

 | 

 | 

Technical information