HSCo machine tap, yellow ring, aluminium profile, blind hole DIN 371/376
Machine screw tap HSCo yellow form C
MATAP-BLIHO-HSCO-DIN371-YELLOW-M8
ZEBRA
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Cutting geometry precisely tailored to aluminium
Larger chip space and increased angle of twist
Reduced risk of outbreaks at the cutting edges of the tool
Optimized micro-geometry
Very good chip removal
The smoothed surface in the bare design minimizes material adhesions and guarantees very good chip removal.
- Sufficient coolant and lubricant must be added when cutting threads.
- For the machine tap/material assignments, see the overview tables
Datasheets(X)
Thread type | Metric thread |
Material to be processed | Non-ferrous metal |
Hole type | Blind hole ≤ 2.5xD |
Suitable for machine type | Milling/drill center |
Quality | ZEBRA-Premium |
Thread type x nominal diameter | M8 |
Pitch | 1.25 mm |
Length | 90 mm |
Shank diameter | 8 mm |
Size of square | 6.2 mm |
DIN | 371 |
Cutting material | HSCo |
Surface | Plain |
Form | C |
Core hole diameter | 6.8 mm |
Twist angle | 45° (right) |
Shank style | Cylindrical with square drive |
Tolerance of screw taps | ISO 2 (6H) |
Suitable for tensile strength up to | 1000 N/mm² |
Service life (points system) | 3 of 4 points |
Trueness to gauge (points system) | 4 of 4 points |
Versatility (points system) | 1 of 4 points |
Cutting behaviour (points system) | 3 of 4 points |
Chip formation (points system) | 4 of 4 points |
Material of sub-group | Aluminium |
Cutting values | ||||||||||||
For M3-M5 | ||||||||||||
Material name | Tensile strength | M3 | M4 | M5 | ||||||||
vc | n | f | n | f | n | f | ||||||
from | to | from | to | from | to | from | to | |||||
Non-ferrous metals | ||||||||||||
Aluminium and aluminium alloys | ≤ 450 N/mm² | 15 | 20 | 1592 | 2122 | 0,50 | 1194 | 1592 | 0,70 | 955 | 1273 | 0,80 |
Wrought aluminium alloys | ≤ 400 N/mm² | 15 | 20 | 1592 | 2122 | 0,50 | 1194 | 1592 | 0,70 | 955 | 1273 | 0,80 |
Aluminium cast alloys <= 10 % Si | ≤ 600 N/mm² | 10 | 12 | 1061 | 1273 | 0,50 | 796 | 955 | 0,70 | 637 | 764 | 0,80 |
Copper, low-alloy | ≤ 400 N/mm² | 15 | 20 | 1592 | 2122 | 0,50 | 1194 | 1592 | 0,70 | 955 | 1273 | 0,80 |
Brass, long-chipping | ≤ 600 N/mm² | 15 | 20 | 1592 | 2122 | 0,50 | 1194 | 1592 | 0,70 | 955 | 1273 | 0,80 |
Bronze, long-chipping | ≤ 1,000 N/mm² | 15 | 20 | 1592 | 2122 | 0,50 | 1194 | 1592 | 0,70 | 955 | 1273 | 0,80 |
Plastics, duroplastic | 6 | 8 | 637 | 849 | 0,50 | 477 | 637 | 0,70 | 382 | 509 | 0,80 | |
Plastics, thermoplastic | 6 | 8 | 637 | 849 | 0,50 | 477 | 637 | 0,70 | 382 | 509 | 0,80 |
For M6-M10 | ||||||||||||
Material name | Tensile strength | M6 | M8 | M10 | ||||||||
vc | n | f | n | f | n | f | ||||||
from | to | from | to | from | to | from | to | |||||
Non-ferrous metals | ||||||||||||
Aluminium and aluminium alloys | ≤ 450 N/mm² | 15 | 20 | 796 | 1061 | 1,00 | 597 | 796 | 1,25 | 477 | 637 | 1,50 |
Wrought aluminium alloys | ≤ 400 N/mm² | 15 | 20 | 796 | 1061 | 1,00 | 597 | 796 | 1,25 | 477 | 637 | 1,50 |
Aluminium cast alloys <= 10 % Si | ≤ 600 N/mm² | 10 | 12 | 531 | 637 | 1,00 | 398 | 477 | 1,25 | 318 | 382 | 1,50 |
Copper, low-alloy | ≤ 400 N/mm² | 15 | 20 | 796 | 1061 | 1,00 | 597 | 796 | 1,25 | 477 | 637 | 1,50 |
Brass, long-chipping | ≤ 600 N/mm² | 15 | 20 | 796 | 1061 | 1,00 | 597 | 796 | 1,25 | 477 | 637 | 1,50 |
Bronze, long-chipping | ≤ 1,000 N/mm² | 15 | 20 | 796 | 1061 | 1,00 | 597 | 796 | 1,25 | 477 | 637 | 1,50 |
Plastics, duroplastic | 6 | 8 | 318 | 424 | 1,00 | 239 | 318 | 1,25 | 191 | 255 | 1,50 | |
Plastics, thermoplastic | 6 | 8 | 318 | 424 | 1,00 | 239 | 318 | 1,25 | 191 | 255 | 1,50 |
For M12-M16 | ||||||||||||
Material name | Tensile strength | M12 | M14 | M16 | ||||||||
vc | n | f | n | f | n | f | ||||||
from | to | from | to | from | to | from | to | |||||
Non-ferrous metals | ||||||||||||
Aluminium and aluminium alloys | ≤ 450 N/mm² | 15 | 20 | 398 | 531 | 1,75 | 341 | 455 | 2,00 | 298 | 398 | 2,00 |
Wrought aluminium alloys | ≤ 400 N/mm² | 15 | 20 | 398 | 531 | 1,75 | 341 | 455 | 2,00 | 298 | 398 | 2,00 |
Aluminium cast alloys <= 10 % Si | ≤ 600 N/mm² | 10 | 12 | 265 | 318 | 1,75 | 227 | 273 | 2,00 | 199 | 239 | 2,00 |
Copper, low-alloy | ≤ 400 N/mm² | 15 | 20 | 398 | 531 | 1,75 | 341 | 455 | 2,00 | 298 | 398 | 2,00 |
Brass, long-chipping | ≤ 600 N/mm² | 15 | 20 | 398 | 531 | 1,75 | 341 | 455 | 2,00 | 298 | 398 | 2,00 |
Bronze, long-chipping | ≤ 1,000 N/mm² | 15 | 20 | 398 | 531 | 1,75 | 341 | 455 | 2,00 | 298 | 398 | 2,00 |
Plastics, duroplastic | 6 | 8 | 159 | 212 | 1,75 | 136 | 182 | 2,00 | 119 | 159 | 2,00 | |
Plastics, thermoplastic | 6 | 8 | 159 | 212 | 1,75 | 136 | 182 | 2,00 | 119 | 159 | 2,00 |
For M20 | ||||||
Material name | Tensile strength | M20 | ||||
vc | n | f | ||||
from | to | from | to | |||
Non-ferrous metals | ||||||
Aluminium and aluminium alloys | ≤ 450 N/mm² | 15 | 20 | 239 | 318 | 2,50 |
Wrought aluminium alloys | ≤ 400 N/mm² | 15 | 20 | 239 | 318 | 2,50 |
Aluminium cast alloys <= 10 % Si | ≤ 600 N/mm² | 10 | 12 | 159 | 191 | 2,50 |
Copper, low-alloy | ≤ 400 N/mm² | 15 | 20 | 239 | 318 | 2,50 |
Brass, long-chipping | ≤ 600 N/mm² | 15 | 20 | 239 | 318 | 2,50 |
Bronze, long-chipping | ≤ 1,000 N/mm² | 15 | 20 | 239 | 318 | 2,50 |
Plastics, duroplastic | 6 | 8 | 95 | 127 | 2,50 | |
Plastics, thermoplastic | 6 | 8 | 95 | 127 | 2,50 |
Legend |
vc = cutting speed [m/min] |
f = feed [mm/r] |
n = rotation speed [rpm] |
The suggested cutting values are reference values and must be adapted to the respective conditions. |