Machine tap Speedtap 4.0-Ultra Hard Steel 63 HRC, straight grooved For metric ISO fine thread DIN 13
SC ST4.0 Ultra 63 HRC 6HX straight TiCN MF
MATAP-ST4.0-SC-HS-TICN-MF20X1,5
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Datasheets(X)
 | |
Product code | 4655MF |
Thread type | Metric fine thread |
Material to be processed | Hard and tough material |
Hole type | Clearance/blind hole ≤ 1.5xD |
Thread type x nominal diameter | MF20 |
Pitch | 1.5 mm |
Length (l1) | 105 mm |
Thread length (l2) | 37 mm |
Shank diameter (d2) | 16 mm |
Size of square (a) | 12 mm |
Core hole diameter | 18.6 mm |
Number of teeth | 6 PCS |
Cutting material | SC |
Surface | TiCN |
Form | C |
Shank style | Cylindrical with square drive |
Tolerance of screw taps | ISO 2X (6HX) |
Tolerance of shank diameter | h9 |
Coolant supply | External |
Material of sub-group | Hardox, Steels > 45 HRC |
| Cutting values for Speedtap 4.0 thread tools | ||||||||||
| For MF8x1-MF12x1.5 | ||||||||||
| Material designation | Tensile strength | vc | MF8x1 | MF10x1 | MF12x1 | MF12x1.5 | ||||
| n | f | n | f | n | f | n | f | |||
| Steels | 42-54 HRC | 2,5 | 99 | 1 | 80 | 1 | 66 | 1 | 66 | 1,5 |
| Steels | 55-59 HRC | 2 | 80 | 1 | 64 | 1 | 53 | 1 | 53 | 1,5 |
| Steels | 60-63 HRC | 1,8 | 72 | 1 | 57 | 1 | 48 | 1 | 48 | 1,5 |
| 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. | |
| Cutting values for Speedtap 4.0 thread tools | ||||||||
| For MF14x1.5-MF20x1.5 | ||||||||
| Material designation | Tensile strength | vc | MF14 x 1.5 | MF16 x 1.5 | MF20 x 1.5 | |||
| n | f | n | f | n | f | |||
| Steels | 42-54 HRC | 2,5 | 57 | 1,5 | 50 | 1,5 | 40 | 1,5 |
| Steels | 55-59 HRC | 2,0 | 45 | 1,5 | 40 | 1,5 | 32 | 1,5 |
| Steels | 60-63 HRC | 1,8 | 41 | 1,5 | 36 | 1,5 | 29 | 1,5 |
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