HSCo machine tap for through holes in nuts DIN 357
Machine screw tap HSCo blue DIN 357 form B
MATAP-THRGHO-HSCO-DIN357-BLUE-M4
ZEBRA
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Long service life
Very long threaded start (approx. 2/3 of the thread length) and up to 4x more teeth compared to conventional machine taps
Specially developed for machining nuts
The groove and thread geometry has been specially designed for machining nuts.
Product packaging made of 100 % PCR (recycled plastic from household waste), 100 % recyclable and Cradle to Cradle Certified® Bronze
Sufficient coolant and lubricant must be added when cutting threads.
Datasheets(X)
Before reversing the screw tap, the entire point of the tool must be removed from the drill hole. Failure to do so may cause cutting edges to chip or the tool to break.
Thread type | Metric thread |
Material to be processed | Steel |
Hole type | Clearance hole ≤ 1xD |
Suitable for machine type | Milling/drill center, Pedestal drilling machine |
Quality | ZEBRA-Premium |
Thread type x nominal diameter | M4 |
Pitch | 0.7 mm |
Length | 90 mm |
Shank diameter | 2.8 mm |
Size of square | 2.1 mm |
DIN | 357 |
Cutting material | HSCo |
Surface | Plain |
Form | 0 - not applicable |
Core hole diameter | 3.3 mm |
Shank style | Cylindrical with square drive |
Tolerance of screw taps | ISO 2 (6H) |
Suitable for tensile strength up to | 800 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) | 3 of 4 points |
Material of sub-group | General structural steels, Non-alloyed tempering steels, Tool steels, High-speed steels, Copper, low-alloyed, Aluminium alloys, Aluminium, Aluminium casting alloys (<10% silicon), Aluminium wrought alloys |
| Key |
| 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. |
| For M3-M5 | ||||||||||||
| Material designation | Tensile strength | M3 | M4 | M5 | ||||||||
| vc | n | f | n | f | n | f | ||||||
| from | to | from | to | from | to | from | to | |||||
| Steels | ||||||||||||
| General structural steels | < 800 N/mm² | 6 | 8 | 637 | 849 | 0,50 | 477 | 637 | 0,70 | 382 | 509 | 0,80 |
| Unalloyed quenched and tempered steels | < 800 N/mm² | 6 | 8 | 637 | 849 | 0,50 | 477 | 637 | 0,70 | 382 | 509 | 0,80 |
| Low-alloy quenched and tempered steels | < 800 N/mm² | 6 | 8 | 637 | 849 | 0,50 | 477 | 637 | 0,70 | 382 | 509 | 0,80 |
| Unalloyed quenched and tempered steels | < 800 N/mm² | 6 | 8 | 637 | 849 | 0,50 | 477 | 637 | 0,70 | 382 | 509 | 0,80 |
| Low-alloy quenched and tempered steels | < 800 N/mm² | 6 | 8 | 637 | 849 | 0,50 | 477 | 637 | 0,70 | 382 | 509 | 0,80 |
| Alloyed quenched and tempered steels | < 800 N/mm² | 4 | 6 | 424 | 637 | 0,50 | 318 | 477 | 0,70 | 255 | 382 | 0,80 |
| Nitriding steels | < 800 N/mm² | 4 | 6 | 424 | 637 | 0,50 | 318 | 477 | 0,70 | 255 | 382 | 0,80 |
| Tool steels | < 800 N/mm² | 4 | 6 | 424 | 637 | 0,50 | 318 | 477 | 0,70 | 255 | 382 | 0,80 |
| High-speed steels | < 800 N/mm² | 4 | 6 | 424 | 637 | 0,50 | 318 | 477 | 0,70 | 255 | 382 | 0,80 |
| For M12 | ||||||
| Material designation | Tensile strength | M12 | ||||
| vc | n | f | ||||
| from | to | from | to | |||
| Steels | ||||||
| General structural steels | < 800 N/mm² | 6 | 8 | 159 | 212 | 1,75 |
| Unalloyed quenched and tempered steels | < 800 N/mm² | 6 | 8 | 159 | 212 | 1,75 |
| Low-alloy quenched and tempered steels | < 800 N/mm² | 6 | 8 | 159 | 212 | 1,75 |
| Unalloyed quenched and tempered steels | < 800 N/mm² | 6 | 8 | 159 | 212 | 1,75 |
| Low-alloy quenched and tempered steels | < 800 N/mm² | 6 | 8 | 159 | 212 | 1,75 |
| Alloyed quenched and tempered steels | < 800 N/mm² | 4 | 6 | 106 | 159 | 1,75 |
| Nitriding steels | < 800 N/mm² | 4 | 6 | 106 | 159 | 1,75 |
| Tool steels | < 800 N/mm² | 4 | 6 | 106 | 159 | 1,75 |
| High-speed steels | < 800 N/mm² | 4 | 6 | 106 | 159 | 1,75 |
| For M6-M10 | ||||||||||||
| Material designation | Tensile strength | M6 | M8 | M10 | ||||||||
| vc | n | f | n | f | n | f | ||||||
| from | to | from | to | from | to | from | to | |||||
| Steels | ||||||||||||
| General structural steels | < 800 N/mm² | 6 | 8 | 318 | 424 | 1,00 | 239 | 318 | 1,25 | 191 | 255 | 1,50 |
| Unalloyed quenched and tempered steels | < 800 N/mm² | 6 | 8 | 318 | 424 | 1,00 | 239 | 318 | 1,25 | 191 | 255 | 1,50 |
| Low-alloy quenched and tempered steels | < 800 N/mm² | 6 | 8 | 318 | 424 | 1,00 | 239 | 318 | 1,25 | 191 | 255 | 1,50 |
| Unalloyed quenched and tempered steels | < 800 N/mm² | 6 | 8 | 318 | 424 | 1,00 | 239 | 318 | 1,25 | 191 | 255 | 1,50 |
| Low-alloy quenched and tempered steels | < 800 N/mm² | 6 | 8 | 318 | 424 | 1,00 | 239 | 318 | 1,25 | 191 | 255 | 1,50 |
| Alloyed quenched and tempered steels | < 800 N/mm² | 4 | 6 | 212 | 318 | 1,00 | 159 | 239 | 1,25 | 127 | 191 | 1,50 |
| Nitriding steels | < 800 N/mm² | 4 | 6 | 212 | 318 | 1,00 | 159 | 239 | 1,25 | 127 | 191 | 1,50 |
| Tool steels | < 800 N/mm² | 4 | 6 | 212 | 318 | 1,00 | 159 | 239 | 1,25 | 127 | 191 | 1,50 |
| High-speed steels | < 800 N/mm² | 4 | 6 | 212 | 318 | 1,00 | 159 | 239 | 1,25 | 127 | 191 | 1,50 |