| SAP Material Number | 5212240 |
| ISO Catalog Number | T621NF04375-20R3BX-D6 |
| ANSI Catalog Number | T621NF04375-20R3BX-D6 |
| Grade | KP6525 |
| [D1-TDZ] Thread Diameter Size | 7/16 - 20 |
| [L] Overall Length | 100.0000 mm |
| [L] Overall Length | 3.937 in |
| [L3] Thread Length | 15.0000 mm |
| [L3] Thread Length | .5910 in |
| [L2] Useable Length | 41.0000 mm |
| [L2] Useable Length | 1.614 in |
| [D] Adapter / Shank / Bore Diameter | 8.0 mm |
| [D] Adapter / Shank / Bore Diameter | .315 in |
| [Z] Number of Flutes | 3 |
| Dimension Standard | DIN 376 |
| Thread Tolerance Class ANSI | 3BX |
Tapping: Through Hole
HSS-E-PM
Chamfer Form D (3.5–5)
Tapping Helix Angle: L15°
DIN number 371
DIN number 376
Class of Fit: 3BX
Manufacturer’s Specs: UNC
Manufacturer’s Specs: UNF
Tapping: Through Coolant
Coated HSS-E-PM. PVD — heat- and wear-resistant high vanadium — cobalt powder metal HSS substrate coated with wear-resistant TiCN base layer and low-friction TiN top layer. Use in steel, cast iron, and cast aluminum with silicon.
| shank tolerance | |
| D fractional | tolerance h6 + / - |
| 3 6 | +0, -0,008 |
| 6 10 | +0, -0,009 |
| 10 18 | +0, -0,011 |
| shank tolerance | |
| D fractional | tolerance h6 + / - |
| .250–.375 | +0, -.0004 |
| .438–.625 | +0, -.0004 |
ISO Catalog Number
ANSI Catalog Number
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