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Speeddrill+ Universal solid carbide twist drill bit DIN 6537K, short 3xD, 2 drill heels - DRL-SDPLUS-3XD-UV-SC-HA-D4,0MM Speeddrill+ Universal solid carbide twist drill bit DIN 6537K, short 3xD, 2 drill heels - DRL-SDPLUS-3XD-UV-SC-HA-D4,0MM
Speeddrill+ Universal solid carbide twist drill bit DIN 6537K, short 3xD, 2 drill heels - DRL-SDPLUS-3XD-UV-SC-HA-D4,0MM - 1
Speeddrill+ Universal solid carbide twist drill bit DIN 6537K, short 3xD, 2 drill heels - DRL-SDPLUS-3XD-UV-SC-HA-D4,0MM - 2

Speeddrill+ Universal solid carbide twist drill bit DIN 6537K, short 3xD, 2 drill heels

Twist drill bit SD+ DIN6537 3xD type N ALTINDUR pl
DRL-SDPLUS-3XD-UV-SC-HA-D4,0MM

Art.-no. 5443932037
EAN 4065746516952
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Speeddrill+ Universal solid carbide twist drill bit DIN 6537K, short 3xD, 2 drill heels

Art.-no. 5443932037

Prices for customers after login
Quantity
PU
x 1 pcs

Exclusively for trade customers

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

Würth Catalogue

Datasheets(X)

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Product code

6728

Material to be processed

Steel, Cast metal, Stainless steel, Copper, Brass, Aluminium

Standards

DIN 6537

Design

Short

Surface

ALTINDUR

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

No

Diameter (d1)

4.0 mm

Shank style

Cylindrical DIN 6535-HA

Length (l1)

66 mm

Chip flute length (l2)

24 mm

Tolerance of cutting edge diameter

h7

Shank diameter (d2)

6 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

For dia. 17 to dia. 20
Material designation Tensile strength Cooling vc f
Dia. 17 to dia. 17.9 Dia. 18 to dia. 18.9 Dia. 19 to dia. 20
Steels
General structural steels < 500 N/mm² E 98 0,360 0,370 0,380
General structural steels 500-850 N/mm² E 92 0,360 0,370 0,380
Carbon steels < 850 N/mm² E 98 0,360 0,370 0,380
Unalloyed quenched and tempered steels < 800 N/mm² E 69 0,360 0,370 0,380
Alloyed quenched and tempered steels 850-1,000 N/mm² E 81 0,360 0,370 0,380
Alloyed quenched and tempered steels 1,000-1,200 N/mm² E 63 0,360 0,370 0,380
Unalloyed case-hardening steels < 750 N/mm² E 96 0,360 0,370 0,380
Alloyed case-hardening steels 800-1,200 N/mm² E 87 0,360 0,370 0,380
Nitriding steels 1,000-1,200 N/mm² E 81 0,360 0,370 0,380
Unalloyed tool steels < 850 N/mm² E 69 0,360 0,370 0,380
Tool steels for cold applications < 850 N/mm² E 69 0,360 0,370 0,380
Tool steels for cold applications 850-1,100 N/mm² E 56 0,274 0,284 0,294
Tool steels for hot applications 1,100-1,400 N/mm² E 35 0,230 0,240 0,250
Spring steels 800-1,200 N/mm² E 58 0,250 0,260 0,270
Stainless steels
Stainless steels < 850 N/mm² E 48 0,262 0,274 0,286
Stainless steels > 850 N/mm² E 42 0,262 0,274 0,286
Cast metals
Grey cast iron < 180 HB E 92 0,438 0,448 0,458
Spheroidal graphite iron < 180 HB E 86 0,370 0,370 0,374
Non-ferrous metals
Copper (unalloyed, low-alloy) < 450 N/mm² E 151 0,446 0,456 0,466
Copper alloys (short-chipping) < 600 N/mm² E 189 0,446 0,456 0,466
Copper alloys (long-chipping) < 600 N/mm² E 151 0,446 0,456 0,466
Special copper alloys (< 200 HB) < 200 HB E 151 0,446 0,456 0,466
Special copper alloys (> 300 HB) < 800 N/mm² E 151 0,446 0,456 0,466
Short-chipping bronze < 600 N/mm² E 151 0,446 0,456 0,466
Short-chipping brass < 600 N/mm² E 189 0,446 0,456 0,466
Long-chipping brass < 600 N/mm² E 189 0,446 0,456 0,466
Long-chipping bronze < 850 N/mm² E 151 0,446 0,456 0,466
Aluminium (unalloyed, low-alloy) < 400 N/mm² E 340 0,565 0,574 0,584
Aluminium alloys < 400 N/mm² E 377 0,565 0,574 0,584
For dia. 13 to dia. 16.9
Material designation Tensile strength Cooling vc f
Dia. 13 to dia. 13.9 Dia. 14 to dia. 14.9 Dia. 15 to dia. 15.9 Dia. 16 to dia. 16.9
Steels
General structural steels < 500 N/mm² E 98 0,300 0,310 0,330 0,350
General structural steels 500-850 N/mm² E 92 0,300 0,310 0,330 0,350
Carbon steels < 850 N/mm² E 98 0,300 0,310 0,330 0,350
Unalloyed quenched and tempered steels < 800 N/mm² E 69 0,300 0,310 0,330 0,350
Alloyed quenched and tempered steels 850-1,000 N/mm² E 81 0,300 0,310 0,330 0,350
Alloyed quenched and tempered steels 1,000-1,200 N/mm² E 63 0,300 0,310 0,330 0,350
Unalloyed case-hardening steels < 750 N/mm² E 96 0,300 0,310 0,330 0,350
Alloyed case-hardening steels 800-1,200 N/mm² E 87 0,300 0,310 0,330 0,350
Nitriding steels 1,000-1,200 N/mm² E 81 0,300 0,310 0,330 0,350
Unalloyed tool steels < 850 N/mm² E 69 0,300 0,310 0,330 0,350
Tool steels for cold applications < 850 N/mm² E 69 0,300 0,310 0,330 0,350
Tool steels for cold applications 850-1,100 N/mm² E 56 0,230 0,250 0,260 0,270
Tool steels for hot applications 1,100-1,400 N/mm² E 35 0,180 0,190 0,200 0,210
Spring steels 800-1,200 N/mm² E 58 0,200 0,200 0,210 0,210
Stainless steels
Stainless steels < 850 N/mm² E 48 0,206 0,216 0,228 0,240
Stainless steels > 850 N/mm² E 42 0,206 0,216 0,228 0,240
Cast metals
Grey cast iron < 180 HB E 92 0,400 0,408 0,418 0,428
Spheroidal graphite iron < 180 HB E 86 0,300 0,310 0,320 0,330
Non-ferrous metals
Copper (unalloyed, low-alloy) < 450 N/mm² E 151 0,382 0,392 0,402 0,411
Copper alloys (short-chipping) < 600 N/mm² E 189 0,382 0,392 0,402 0,411
Copper alloys (long-chipping) < 600 N/mm² E 151 0,382 0,392 0,402 0,411
Special copper alloys (< 200 HB) < 200 HB E 151 0,382 0,392 0,402 0,411
Special copper alloys (> 300 HB) < 800 N/mm² E 151 0,382 0,392 0,402 0,411
Short-chipping bronze < 600 N/mm² E 151 0,382 0,392 0,402 0,411
Short-chipping brass < 600 N/mm² E 189 0,382 0,392 0,402 0,411
Long-chipping brass < 600 N/mm² E 189 0,382 0,392 0,402 0,411
Long-chipping bronze < 850 N/mm² E 151 0,382 0,392 0,402 0,411
Aluminium (unalloyed, low-alloy) < 400 N/mm² E 340 0,520 0,530 0,538 0,547
Aluminium alloys < 400 N/mm² E 377 0,520 0,530 0,538 0,547
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.
For dia. 1 to dia. 4.9
Material designation Tensile strength Cooling vc f
Dia. 1 to dia. 1.9 Dia. 2 to dia. 2.9 Dia. 3 to dia. 3.9 Dia. 4 to dia. 4.9
Steels
General structural steels < 500 N/mm² E 98 0,032 0,064 0,094 0,136
General structural steels 500-850 N/mm² E 92 0,032 0,064 0,094 0,136
Carbon steels < 850 N/mm² E 98 0,032 0,064 0,094 0,136
Unalloyed quenched and tempered steels < 800 N/mm² E 69 0,032 0,064 0,094 0,136
Alloyed quenched and tempered steels 850-1,000 N/mm² E 81 0,032 0,064 0,094 0,136
Alloyed quenched and tempered steels 1,000-1,200 N/mm² E 63 0,032 0,064 0,094 0,136
Unalloyed case-hardening steels < 750 N/mm² E 96 0,032 0,064 0,094 0,136
Alloyed case-hardening steels 800-1,200 N/mm² E 87 0,032 0,064 0,094 0,136
Nitriding steels 1,000-1,200 N/mm² E 81 0,032 0,064 0,094 0,136
Unalloyed tool steels < 850 N/mm² E 69 0,032 0,064 0,094 0,136
Tool steels for cold applications < 850 N/mm² E 69 0,032 0,064 0,094 0,136
Tool steels for cold applications 850-1,100 N/mm² E 56 0,022 0,036 0,052 0,074
Tool steels for hot applications 1,100-1,400 N/mm² E 35 0,022 0,026 0,052 0,068
Spring steels 800-1,200 N/mm² E 58 0,026 0,034 0,052 0,074
Stainless steels
Stainless steels < 850 N/mm² E 48 0,022 0,026 0,052 0,068
Stainless steels > 850 N/mm² E 42 0,022 0,026 0,052 0,068
Cast metals
Grey cast iron < 180 HB E 92 0,048 0,090 0,132 0,210
Spheroidal graphite iron < 180 HB E 86 0,026 0,052 0,078 0,126
Non-ferrous metals
Copper (unalloyed, low-alloy) < 450 N/mm² E 151 0,051 0,093 0,126 0,176
Copper alloys (short-chipping) < 600 N/mm² E 189 0,051 0,093 0,126 0,176
Copper alloys (long-chipping) < 600 N/mm² E 151 0,051 0,093 0,126 0,176
Special copper alloys (< 200 HB) < 200 HB E 151 0,051 0,093 0,126 0,176
Special copper alloys (> 300 HB) < 800 N/mm² E 151 0,051 0,093 0,126 0,176
Short-chipping bronze < 600 N/mm² E 151 0,051 0,093 0,126 0,176
Short-chipping brass < 600 N/mm² E 189 0,051 0,093 0,126 0,176
Long-chipping brass < 600 N/mm² E 189 0,051 0,093 0,126 0,176
Long-chipping bronze < 850 N/mm² E 151 0,051 0,093 0,126 0,176
Aluminium (unalloyed, low-alloy) < 400 N/mm² E 340 0,085 0,168 0,210 0,235
Aluminium alloys < 400 N/mm² E 377 0,085 0,168 0,210 0,235
For dia. 9 to dia. 12.9
Material designation Tensile strength Cooling vc f
Dia. 9 to dia. 9.9 Dia. 10 to dia. 10.9 Dia. 11 to dia. 11.9 Dia. 12 to dia. 12.9
Steels
General structural steels < 500 N/mm² E 98 0,232 0,250 0,270 0,280
General structural steels 500-850 N/mm² E 92 0,232 0,250 0,270 0,280
Carbon steels < 850 N/mm² E 98 0,232 0,250 0,270 0,280
Unalloyed quenched and tempered steels < 800 N/mm² E 69 0,232 0,250 0,270 0,280
Alloyed quenched and tempered steels 850-1,000 N/mm² E 81 0,232 0,250 0,270 0,280
Alloyed quenched and tempered steels 1,000-1,200 N/mm² E 63 0,232 0,250 0,270 0,280
Unalloyed case-hardening steels < 750 N/mm² E 96 0,232 0,250 0,270 0,280
Alloyed case-hardening steels 800-1,200 N/mm² E 87 0,232 0,250 0,270 0,280
Nitriding steels 1,000-1,200 N/mm² E 81 0,232 0,250 0,270 0,280
Unalloyed tool steels < 850 N/mm² E 69 0,232 0,250 0,270 0,280
Tool steels for cold applications < 850 N/mm² E 69 0,232 0,250 0,270 0,280
Tool steels for cold applications 850-1,100 N/mm² E 56 0,200 0,200 0,210 0,220
Tool steels for hot applications 1,100-1,400 N/mm² E 35 0,136 0,140 0,150 0,160
Spring steels 800-1,200 N/mm² E 58 0,158 0,150 0,160 0,160
Stainless steels
Stainless steels < 850 N/mm² E 48 0,144 0,160 0,172 0,182
Stainless steels > 850 N/mm² E 42 0,144 0,160 0,172 0,182
Cast metals
Grey cast iron < 180 HB E 92 0,368 0,350 0,360 0,370
Spheroidal graphite iron < 180 HB E 86 0,236 0,230 0,234 0,240
Non-ferrous metals
Copper (unalloyed, low-alloy) < 450 N/mm² E 151 0,309 0,328 0,338 0,347
Copper alloys (short-chipping) < 600 N/mm² E 189 0,309 0,328 0,338 0,347
Copper alloys (long-chipping) < 600 N/mm² E 151 0,309 0,328 0,338 0,347
Special copper alloys (< 200 HB) < 200 HB E 151 0,309 0,328 0,338 0,347
Special copper alloys (> 300 HB) < 800 N/mm² E 151 0,309 0,328 0,338 0,347
Short-chipping bronze < 600 N/mm² E 151 0,309 0,328 0,338 0,347
Short-chipping brass < 600 N/mm² E 189 0,309 0,328 0,338 0,347
Long-chipping brass < 600 N/mm² E 189 0,309 0,328 0,338 0,347
Long-chipping bronze < 850 N/mm² E 151 0,309 0,328 0,338 0,347
Aluminium (unalloyed, low-alloy) < 400 N/mm² E 340 0,414 0,438 0,446 0,456
Aluminium alloys < 400 N/mm² E 377 0,414 0,438 0,446 0,456
For dia. 5 to dia. 8.9
Material designation Tensile strength Cooling vc f
Dia. 5 to dia. 5.9 Dia. 6 to dia. 6.9 Dia. 7 to dia. 7.9 Dia. 8 to dia. 8.9
Steels
General structural steels < 500 N/mm² E 98 0,158 0,190 0,210 0,210
General structural steels 500-850 N/mm² E 92 0,158 0,190 0,210 0,210
Carbon steels < 850 N/mm² E 98 0,158 0,190 0,210 0,210
Unalloyed quenched and tempered steels < 800 N/mm² E 69 0,158 0,190 0,210 0,210
Alloyed quenched and tempered steels 850-1,000 N/mm² E 81 0,158 0,190 0,210 0,210
Alloyed quenched and tempered steels 1,000-1,200 N/mm² E 63 0,158 0,190 0,210 0,210
Unalloyed case-hardening steels < 750 N/mm² E 96 0,158 0,190 0,210 0,210
Alloyed case-hardening steels 800-1,200 N/mm² E 87 0,158 0,190 0,210 0,210
Nitriding steels 1,000-1,200 N/mm² E 81 0,158 0,190 0,210 0,210
Unalloyed tool steels < 850 N/mm² E 69 0,158 0,190 0,210 0,210
Tool steels for cold applications < 850 N/mm² E 69 0,158 0,190 0,210 0,210
Tool steels for cold applications 850-1,100 N/mm² E 56 0,116 0,136 0,158 0,184
Tool steels for hot applications 1,100-1,400 N/mm² E 35 0,084 0,106 0,116 0,126
Spring steels 800-1,200 N/mm² E 58 0,084 0,116 0,126 0,136
Stainless steels
Stainless steels < 850 N/mm² E 48 0,084 0,110 0,122 0,122
Stainless steels > 850 N/mm² E 42 0,084 0,110 0,122 0,122
Cast metals
Grey cast iron < 180 HB E 92 0,220 0,252 0,262 0,274
Spheroidal graphite iron < 180 HB E 86 0,132 0,178 0,184 0,190
Non-ferrous metals
Copper (unalloyed, low-alloy) < 450 N/mm² E 151 0,194 0,256 0,259 0,264
Copper alloys (short-chipping) < 600 N/mm² E 189 0,194 0,256 0,259 0,264
Copper alloys (long-chipping) < 600 N/mm² E 151 0,194 0,256 0,259 0,264
Special copper alloys (< 200 HB) < 200 HB E 151 0,194 0,256 0,259 0,264
Special copper alloys (> 300 HB) < 800 N/mm² E 151 0,194 0,256 0,259 0,264
Short-chipping bronze < 600 N/mm² E 151 0,194 0,256 0,259 0,264
Short-chipping brass < 600 N/mm² E 189 0,194 0,256 0,259 0,264
Long-chipping brass < 600 N/mm² E 189 0,194 0,256 0,259 0,264
Long-chipping bronze < 850 N/mm² E 151 0,194 0,256 0,259 0,264
Aluminium (unalloyed, low-alloy) < 400 N/mm² E 340 0,253 0,317 0,334 0,352
Aluminium alloys < 400 N/mm² E 377 0,253 0,317 0,334 0,352

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