Data Sheet

8888
03
Material: High
carbon
struc. steel
up to
700 N/mm²
High
carbon
struc. steel
over
700 N/mm²
Alloyed
steel
over
1000 N/mm²
Cast
iron
up to
250 N/mm²
Cast
iron
over
250 N/mm²
CuZn-
alloy
brittle
CuZn-
alloy
tough
Al-
alloy
up to
11% Si
Thermo-
plastics
Duro-
plastics
Sheet thickness: up to 4,0 up to 4,0 up to 4,0 up to 4,0 up to 4,0 up to 4,0 up to 4,0 up to 4,0 up to 4,0 up to 4,0
Vc = m/min 30 20 20 15 10 60 35 30 20 15
Cooling lubricant:
Cutting
spray
Cutting
spray
Cutting
spray
Cutting
spray
Air Air Air
Cutting
spray
Water Air
Size Ø mm n = r.p.m. n = r.p.m. n = r.p.m. n = r.p.m. n = r.p.m. n = r.p.m. n = r.p.m. n = r.p.m. n = r.p.m. n = r.p.m.
No. 1 3,0-14,0 3185-682 2123-455 2123-455 1592-341 1062-227 6369-1365 3715-796 3185-682 2123-455 1592-341
No. 2 4,0-20,0 1911-478 1274-318 1274-318 955-239 637-159 3822- 955 2229-557 1911-478 1274-318 955-239
No. 3 16,0-30,5 597-313 398-209 398-209 299-157 199-104 1194- 627 697-365 597-313 398-209 299-157
No. 4 24,0-40,0 398-239 265-159 265-159 199-119 133- 80 796- 478 464-279 398-239 265-159 199-119
No. 5 36,0-50,0 265-191 177-127 177-127 133- 96 88- 64 531- 382 310-223 265-191 177-127 133- 96
No. 6 40,0-61,0 239-157 159-104 159-104 119- 78 80- 52 478- 313 279-183 239-157 159-104 119- 78
No. 7 5,0-25,4 1911-376 1274-251 1274-251 955-188 637-125 3822- 752 2229-439 1911-376 1274-251 955-188
No. 8 5,0-31,0 1911-308 1274-205 1274-205 955-154 637-103 3822- 616 2229-360 1911-308 1274-205 955-154
No. 9 5,0-22,5 1911-425 1274-283 1274-283 955-212 637-142 3822- 849 2229-495 1911-425 1274-283 955-212
Table of cutting speeds
for tube and sheet drills