| SAP Material Number | 6140730 |
| ISO Catalog Number | T838NF04375-20RH5-A |
| ANSI Catalog Number | T838NF04375-20RH5-A |
| Grade | KSP39 |
| [D1-TDZ] Thread Diameter Size | 7/16 - 20 |
| [L] Overall Length | 80.3000 mm |
| [L] Overall Length | 3.160 in |
| [L3] Thread Length | 22.4000 mm |
| [L3] Thread Length | .8800 in |
| [L2] Useable Length | 37.8000 mm |
| [L2] Useable Length | 1.490 in |
| [D] Adapter / Shank / Bore Diameter | 8.204 mm |
| [D] Adapter / Shank / Bore Diameter | .323 in |
| [Z] Number of Flutes | 3 |
| Tap Pitch Diameter Limit | H5 |
Tapping: Blind Hole
38618
Chamfer Form C (2–3)
Tapping Helix Angle: 45°
Flood Coolant: Tapping
Manufacturer’s Specs: UNF
Manufacturer’s Specs: UNC
Manufacturer’s Specs: ANSI
100076705
HSS-E substrate with black oxide surface treatment. Use in a variety of materials, including steel, stainless steel, and ductile iron. Not recommended for non-ferrous materials.
| shank tolerance | |
| D inch | tolerance |
| .141 .635 | +0, -.0015 |
| .635 1.51 | +0, -.0020 |
| 1.51 2.01 | +0, -.0030 |
| shank tolerance | |
| D mm | tolerance h9 |
| 1 3 | +0, -0,025 |
| 3 6 | +0, -0,030 |
| 6 10 | +0, -0,036 |
| 10 18 | +0, -0,043 |
| 18 30 | +0, -0,052 |
ISO Catalog Number
ANSI Catalog Number
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