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
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Datasheets(X)
Product code | 6748 |
Material to be processed | Steel |
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 |
Cutting values | |||||||
For dia. 1 to dia. 4.9 | |||||||
Material designation | Tensile strength | Refrigeration | 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 | 132 | 0,032 | 0,064 | 0,094 | 0,136 |
General structural steels | 500-850 N/mm² | E | 120 | 0,032 | 0,064 | 0,094 | 0,136 |
Carbon steels | < 800 N/mm² | E | 132 | 0,032 | 0,064 | 0,094 | 0,136 |
Unalloyed heat-treated steels | < 700 N/mm² | E | 96 | 0,032 | 0,064 | 0,094 | 0,136 |
Unalloyed heat-treated steels | 700-850 N/mm² | E | 96 | 0,032 | 0,064 | 0,094 | 0,136 |
Alloyed heat-treated steels | 850-1000 N/mm² | E | 108 | 0,032 | 0,064 | 0,094 | 0,136 |
Alloyed heat-treated steels | 800-1200 N/mm² | E | 90 | 0,032 | 0,064 | 0,094 | 0,136 |
Unalloyed case-hardening steels | < 750 N/mm² | E | 120 | 0,032 | 0,064 | 0,094 | 0,136 |
Alloyed case-hardening steels | 850-1200 N/mm² | E | 108 | 0,032 | 0,064 | 0,094 | 0,136 |
Nitriding steels | 1000-1200 N/mm² | E | 108 | 0,032 | 0,064 | 0,094 | 0,136 |
Unalloyed tool steels | < 850 N/mm² | E | 96 | 0,032 | 0,064 | 0,094 | 0,136 |
Tool steels for cold applications | 850-1100 N/mm² | E | 72 | 0,022 | 0,036 | 0,052 | 0,074 |
Tool steels for cold applications | 1100-1400 N/mm² | E | 72 | 0,022 | 0,036 | 0,052 | 0,074 |
Tool steels for hot applications | 1100-1400 N/mm² | E | 60 | 0,022 | 0,026 | 0,052 | 0,068 |
High-speed steels | 850-1200 N/mm² | E | 42 | 0,032 | 0,064 | 0,094 | 0,136 |
Spring steels | 800-1200 N/mm² | E | 84 | 0,026 | 0,034 | 0,052 | 0,074 |
Stainless steels | |||||||
Stainless steels (sulphurated) | < 700 N/mm² | E | 66 | 0,022 | 0,026 | 0,052 | 0,068 |
Stainless steels (austenitic) | < 700 N/mm² | E | 48 | 0,022 | 0,026 | 0,052 | 0,068 |
Stainless steels (martensitic) | < 1100 N/mm² | E | 46 | 0,022 | 0,026 | 0,052 | 0,068 |
Cast irons | |||||||
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 alloys (short-chipping) | < 600 N/mm² | E | 204 | 0,051 | 0,093 | 0,126 | 0,176 |
Copper alloys (long-chipping) | < 600 N/mm² | E | 163 | 0,051 | 0,093 | 0,126 | 0,176 |
Special copper alloys (< 200 HB) | < 200 HB | E | 163 | 0,051 | 0,093 | 0,126 | 0,176 |
Special copper alloys (> 300 HB) | < 800 N/mm² | E | 163 | 0,051 | 0,093 | 0,126 | 0,176 |
Bronze, short-chipping | < 600 N/mm² | E | 163 | 0,051 | 0,093 | 0,126 | 0,176 |
Brass, short-chipping | < 600 N/mm² | E | 204 | 0,051 | 0,093 | 0,126 | 0,176 |
Brass, long-chipping | < 600 N/mm² | E | 204 | 0,051 | 0,093 | 0,126 | 0,176 |
Bronze, long-chipping | < 850 N/mm² | E | 163 | 0,051 | 0,093 | 0,126 | 0,176 |
Aluminium (unalloyed, low-alloy) | < 400 N/mm² | E | 367 | 0,085 | 0,168 | 0,210 | 0,235 |
Aluminium alloys | < 400 N/mm² | E | 408 | 0,085 | 0,168 | 0,210 | 0,235 |
Cutting values | |||||||
For dia. 5 to dia. 8.9 | |||||||
Material designation | Tensile strength | Refrigeration | 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 | 132 | 0,158 | 0,198 | 0,220 | 0,220 |
General structural steels | 500-850 N/mm² | E | 120 | 0,158 | 0,198 | 0,220 | 0,220 |
Carbon steels | < 800 N/mm² | E | 132 | 0,158 | 0,198 | 0,220 | 0,220 |
Unalloyed heat-treated steels | < 700 N/mm² | E | 96 | 0,158 | 0,198 | 0,220 | 0,220 |
Unalloyed heat-treated steels | 700-850 N/mm² | E | 96 | 0,158 | 0,198 | 0,220 | 0,220 |
Alloyed heat-treated steels | 850-1000 N/mm² | E | 108 | 0,158 | 0,198 | 0,220 | 0,220 |
Alloyed heat-treated steels | 800-1200 N/mm² | E | 90 | 0,158 | 0,198 | 0,220 | 0,220 |
Unalloyed case-hardening steels | < 750 N/mm² | E | 120 | 0,158 | 0,198 | 0,220 | 0,220 |
Alloyed case-hardening steels | 850-1200 N/mm² | E | 108 | 0,158 | 0,198 | 0,220 | 0,220 |
Nitriding steels | 1000-1200 N/mm² | E | 108 | 0,158 | 0,198 | 0,220 | 0,220 |
Unalloyed tool steels | < 850 N/mm² | E | 96 | 0,158 | 0,198 | 0,220 | 0,220 |
Tool steels for cold applications | 850-1100 N/mm² | E | 72 | 0,116 | 0,144 | 0,166 | 0,166 |
Tool steels for cold applications | 1100-1400 N/mm² | E | 72 | 0,116 | 0,144 | 0,166 | 0,166 |
Tool steels for hot applications | 1100-1400 N/mm² | E | 60 | 0,084 | 0,110 | 0,122 | 0,122 |
High-speed steels | 850-1200 N/mm² | E | 42 | 0,158 | 0,198 | 0,220 | 0,220 |
Spring steels | 800-1200 N/mm² | E | 84 | 0,084 | 0,122 | 0,132 | 0,132 |
Stainless steels | |||||||
Stainless steels (sulphurated) | < 700 N/mm² | E | 66 | 0,084 | 0,110 | 0,122 | 0,122 |
Stainless steels (austenitic) | < 700 N/mm² | E | 48 | 0,084 | 0,110 | 0,122 | 0,122 |
Stainless steels (martensitic) | < 1100 N/mm² | E | 46 | 0,084 | 0,110 | 0,122 | 0,122 |
Cast irons | |||||||
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 alloys (short-chipping) | < 600 N/mm² | E | 204 | 0,194 | 0,256 | 0,259 | 0,264 |
Copper alloys (long-chipping) | < 600 N/mm² | E | 163 | 0,194 | 0,256 | 0,259 | 0,264 |
Special copper alloys (< 200 HB) | < 200 HB | E | 163 | 0,194 | 0,256 | 0,259 | 0,264 |
Special copper alloys (> 300 HB) | < 800 N/mm² | E | 163 | 0,194 | 0,256 | 0,259 | 0,264 |
Bronze, short-chipping | < 600 N/mm² | E | 163 | 0,194 | 0,256 | 0,259 | 0,264 |
Brass, short-chipping | < 600 N/mm² | E | 204 | 0,194 | 0,256 | 0,259 | 0,264 |
Brass, long-chipping | < 600 N/mm² | E | 204 | 0,194 | 0,256 | 0,259 | 0,264 |
Bronze, long-chipping | < 850 N/mm² | E | 163 | 0,194 | 0,256 | 0,259 | 0,264 |
Aluminium (unalloyed, low-alloy) | < 400 N/mm² | E | 367 | 0,253 | 0,317 | 0,334 | 0,352 |
Aluminium alloys | < 400 N/mm² | E | 408 | 0,253 | 0,317 | 0,334 | 0,352 |
Cutting values | |||||||
For dia. 9 to dia. 12.9 | |||||||
Material designation | Tensile strength | Refrigeration | 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 | 132 | 0,242 | 0,286 | 0,308 | 0,320 |
General structural steels | 500-850 N/mm² | E | 120 | 0,242 | 0,286 | 0,308 | 0,320 |
Carbon steels | < 800 N/mm² | E | 132 | 0,242 | 0,286 | 0,308 | 0,320 |
Unalloyed heat-treated steels | < 700 N/mm² | E | 96 | 0,242 | 0,286 | 0,308 | 0,320 |
Unalloyed heat-treated steels | 700-850 N/mm² | E | 96 | 0,242 | 0,286 | 0,308 | 0,320 |
Alloyed heat-treated steels | 850-1000 N/mm² | E | 108 | 0,242 | 0,286 | 0,308 | 0,320 |
Alloyed heat-treated steels | 800-1200 N/mm² | E | 90 | 0,242 | 0,286 | 0,308 | 0,320 |
Unalloyed case-hardening steels | < 750 N/mm² | E | 120 | 0,242 | 0,286 | 0,308 | 0,320 |
Alloyed case-hardening steels | 850-1200 N/mm² | E | 108 | 0,242 | 0,286 | 0,308 | 0,320 |
Nitriding steels | 1000-1200 N/mm² | E | 108 | 0,242 | 0,286 | 0,308 | 0,320 |
Unalloyed tool steels | < 850 N/mm² | E | 96 | 0,242 | 0,286 | 0,308 | 0,320 |
Tool steels for cold applications | 850-1100 N/mm² | E | 72 | 0,210 | 0,228 | 0,240 | 0,250 |
Tool steels for cold applications | 1100-1400 N/mm² | E | 72 | 0,210 | 0,228 | 0,240 | 0,250 |
Tool steels for hot applications | 1100-1400 N/mm² | E | 60 | 0,144 | 0,160 | 0,172 | 0,182 |
High-speed steels | 850-1200 N/mm² | E | 42 | 0,242 | 0,286 | 0,308 | 0,320 |
Spring steels | 800-1200 N/mm² | E | 84 | 0,166 | 0,172 | 0,182 | 0,182 |
Stainless steels | |||||||
Stainless steels (sulphurated) | < 700 N/mm² | E | 66 | 0,144 | 0,160 | 0,172 | 0,182 |
Stainless steels (austenitic) | < 700 N/mm² | E | 48 | 0,144 | 0,160 | 0,172 | 0,182 |
Stainless steels (martensitic) | < 1100 N/mm² | E | 46 | 0,144 | 0,160 | 0,172 | 0,182 |
Cast irons | |||||||
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 alloys (short-chipping) | < 600 N/mm² | E | 204 | 0,309 | 0,328 | 0,338 | 0,347 |
Copper alloys (long-chipping) | < 600 N/mm² | E | 163 | 0,309 | 0,328 | 0,338 | 0,347 |
Special copper alloys (< 200 HB) | < 200 HB | E | 163 | 0,309 | 0,328 | 0,338 | 0,347 |
Special copper alloys (> 300 HB) | < 800 N/mm² | E | 163 | 0,309 | 0,328 | 0,338 | 0,347 |
Bronze, short-chipping | < 600 N/mm² | E | 163 | 0,309 | 0,328 | 0,338 | 0,347 |
Brass, short-chipping | < 600 N/mm² | E | 204 | 0,309 | 0,328 | 0,338 | 0,347 |
Brass, long-chipping | < 600 N/mm² | E | 204 | 0,309 | 0,328 | 0,338 | 0,347 |
Bronze, long-chipping | < 850 N/mm² | E | 163 | 0,309 | 0,328 | 0,338 | 0,347 |
Aluminium (unalloyed, low-alloy) | < 400 N/mm² | E | 367 | 0,414 | 0,438 | 0,446 | 0,456 |
Aluminium alloys | < 400 N/mm² | E | 408 | 0,414 | 0,438 | 0,446 | 0,456 |
Cutting values | ||||||
For dia. 13 to dia. 16 | ||||||
Material designation | Tensile strength | Refrigeration | vc | f | ||
Dia. 13 to dia. 13.9 | Dia. 14 to dia. 14.9 | Dia. 15 to dia. 16 | ||||
Steels | ||||||
General structural steels | < 500 N/mm² | E | 132 | 0,342 | 0,354 | 0,376 |
General structural steels | 500-850 N/mm² | E | 120 | 0,342 | 0,354 | 0,376 |
Carbon steels | < 800 N/mm² | E | 132 | 0,342 | 0,354 | 0,376 |
Unalloyed heat-treated steels | < 700 N/mm² | E | 96 | 0,342 | 0,354 | 0,376 |
Unalloyed heat-treated steels | 700-850 N/mm² | E | 96 | 0,342 | 0,354 | 0,376 |
Alloyed heat-treated steels | 850-1000 N/mm² | E | 108 | 0,342 | 0,354 | 0,376 |
Alloyed heat-treated steels | 800-1200 N/mm² | E | 90 | 0,342 | 0,354 | 0,376 |
Unalloyed case-hardening steels | < 750 N/mm² | E | 120 | 0,342 | 0,354 | 0,376 |
Alloyed case-hardening steels | 850-1200 N/mm² | E | 108 | 0,342 | 0,354 | 0,376 |
Nitriding steels | 1000-1200 N/mm² | E | 108 | 0,342 | 0,354 | 0,376 |
Unalloyed tool steels | < 850 N/mm² | E | 96 | 0,342 | 0,354 | 0,376 |
Tool steels for cold applications | 850-1100 N/mm² | E | 72 | 0,262 | 0,286 | 0,296 |
Tool steels for cold applications | 1100-1400 N/mm² | E | 72 | 0,262 | 0,286 | 0,296 |
Tool steels for hot applications | 1100-1400 N/mm² | E | 60 | 0,206 | 0,216 | 0,228 |
High-speed steels | 850-1200 N/mm² | E | 42 | 0,342 | 0,354 | 0,376 |
Spring steels | 800-1200 N/mm² | E | 84 | 0,228 | 0,228 | 0,240 |
Stainless steels | ||||||
Stainless steels (sulphurated) | < 700 N/mm² | E | 66 | 0,206 | 0,216 | 0,228 |
Stainless steels (austenitic) | < 700 N/mm² | E | 48 | 0,206 | 0,216 | 0,228 |
Stainless steels (martensitic) | < 1100 N/mm² | E | 46 | 0,206 | 0,216 | 0,228 |
Cast irons | ||||||
Grey cast iron | < 180 HB | E | 92 | 0,400 | 0,408 | 0,418 |
Spheroidal graphite iron | < 180 HB | E | 86 | 0,300 | 0,310 | 0,320 |
Non-ferrous metals | ||||||
Copper alloys (short-chipping) | < 600 N/mm² | E | 204 | 0,382 | 0,392 | 0,402 |
Copper alloys (long-chipping) | < 600 N/mm² | E | 163 | 0,382 | 0,392 | 0,402 |
Special copper alloys (< 200 HB) | < 200 HB | E | 163 | 0,382 | 0,392 | 0,402 |
Special copper alloys (> 300 HB) | < 800 N/mm² | E | 163 | 0,382 | 0,392 | 0,402 |
Bronze, short-chipping | < 600 N/mm² | E | 163 | 0,382 | 0,392 | 0,402 |
Brass, short-chipping | < 600 N/mm² | E | 204 | 0,382 | 0,392 | 0,402 |
Brass, long-chipping | < 600 N/mm² | E | 204 | 0,382 | 0,392 | 0,402 |
Bronze, long-chipping | < 850 N/mm² | E | 163 | 0,382 | 0,392 | 0,402 |
Aluminium (unalloyed, low-alloy) | < 400 N/mm² | E | 367 | 0,520 | 0,530 | 0,538 |
Aluminium alloys | < 400 N/mm² | E | 408 | 0,520 | 0,530 | 0,538 |
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. |