Product Similar To:
T838 • Form C Semi-Bottoming Chamfer • Machine Screw and Fractional • DIN 371, 374, and 376 • Tension/Compression Holders
GOtap™ T838 Spiral-Flute HSS-E Taps • Blind Holes
Material Number6173263
ISO Catalog IDT838NF#06-40R2B-D1ANSI Catalog IDT838NF#06-40R2B-D1
- P Steel
- M Stainless Steel
- K Cast Iron
- 100076705
- Tapping: Blind Hole
- Class of Fit: 2B
- DIN number 371
- DIN number 374
- DIN number 376
- Chamfer Form C (2–3)
- 38618
- Flood Coolant: Tapping
- Manufacturer’s Specs: UNF
- Manufacturer’s Specs: UNC
- Tapping Helix Angle: 45°
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Material Number | 6173263 |
ISO Catalog ID | T838NF#06-40R2B-D1 |
ANSI Catalog ID | T838NF#06-40R2B-D1 |
Grade | KSU31 |
[D1-TDZ] Thread Diameter Size | 6 - 40 |
[L] Overall Length | 56 mm |
[L] Overall Length | 2.2 in |
[L3] Thread Length | 7 mm |
[L3] Thread Length | .28 in |
[L2] Useable Length | 20.7 mm |
[L2] Useable Length | .81 in |
[D] Adapter / Shank / Bore Diameter | 4 mm |
[D] Adapter / Shank / Bore Diameter | .157 in |
[Z] Number of Flutes | 3 |
Dimension Standard | DIN 371 |
Thread Tolerance Class ANSI | 2B |
Workpiece Materials
- Steel
- Stainless Steel
- Cast Iron
Uses and application
- 100076705
- Tapping: Blind Hole
- Class of Fit: 2B
- DIN number 371
- DIN number 374
- DIN number 376
- Chamfer Form C (2–3)
- 38618
- Flood Coolant: Tapping
- Manufacturer’s Specs: UNF
- Manufacturer’s Specs: UNC
- Tapping Helix Angle: 45°
Features and benefits
- KSU31 TiN
- KSP39 oxide
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Tolerance
shank tolerance | |
D inch | tolerance |
.141 | +0, -.0015 |
+0, -.0020 | |
+0, -.0030 |
shank tolerance | |
D mm | tolerance h9 |
1 | +0, -0,025 |
+0, -0,030 | |
+0, -0,036 | |
+0, -0,043 | |
+0, -0,052 |
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