Product Similar To :
T622 • Metric DIN 2174 • Form C Semi-Bottoming Entry Taper
Beyond™ Forming Taps HSS-E-PM • Blind and Through Holes
Material Number4154648
ISO Catalog IDT622M040X070R6HX-D74ANSI Catalog IDT622M040X070R6HX-D74
- N Non-Ferrous
- Tapping: Through Hole 
- Tapping: Blind Hole 
- Class of Fit: 6HX 
- Chamfer Form C (2–3) 
- HSS-E-PM 
- Manufacturer’s Specs: M 
- Manufacturer’s Specs: MF 
- Flood Coolant: Tapping 
- DIN number 2174 
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| Material Number | 4154648 | 
| ISO Catalog ID | T622M040X070R6HX-D74 | 
| ANSI Catalog ID | T622M040X070R6HX-D74 | 
| Grade | KSN28 | 
| [D1-TDZ] Thread Diameter Size | M4 X 0.7 | 
| [L] Overall Length | 63 mm | 
| [L] Overall Length | 2.48 in | 
| [L3] Thread Length | 7 mm | 
| [L3] Thread Length | 0.276 in | 
| [L2] Useable Length | 21 mm | 
| [L2] Useable Length | 0.827 in | 
| [D] Adapter / Shank / Bore Diameter | 4.5 mm | 
| [D] Adapter / Shank / Bore Diameter | 0.177 in | 
| [Z] Number of Flutes | 4 | 
| Number of Lube Grooves | 4 | 
| Dimension Standard | DIN 2174 | 
| Thread Tolerance Class ISO | 6HX-I | 
Workpiece Materials
- Non-Ferrous
Uses and application
- Tapping: Through Hole 
- Tapping: Blind Hole 
- Class of Fit: 6HX 
- Chamfer Form C (2–3) 
- HSS-E-PM 
- Manufacturer’s Specs: M 
- Manufacturer’s Specs: MF 
- Flood Coolant: Tapping 
- DIN number 2174 
Grades
KSN28
Coated HSS-E-PM. PVD — powder metal HSS-E substrate with DLC coating. Use for form tapping aluminium. Not recommended for steel.
Features and benefits
- KSP21 TiN for tapping steel.
- KSN28 DLC for tapping aluminum.
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Tolerance
Tolerances
| shank tolerance | |
| D | tolerance h9 | 
| 1 | +0, -0,025 | 
| 3,5 | +0, -0,030 | 
| 7 | +0, -0,036 | 
| 11 | +0, -0,043 | 
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