Sutton T790 #10 x 24 TPI Spiral Flute Tap R15 Ti - PM-HSS Co - TiCN - DIN 2184-1
Available
The Sutton T790 is a spiral flute tap (R15 spiral, Ti designation) for UNJC threads, made from powder metallurgy, 8% cobalt high speed steel (PM-HSS Co) with a TiCN coating. This listing covers 3 sizes from #4 x 40 TPI to #10 x 24 TPI.
The 15° right-hand spiral flute suits blind holes in tough, short chipping materials, up to 1.5 x D in depth. The slow helix does not transport chips well, so it has no advantage in soft or long chipping materials, especially deeper than 1.5 x d1. The chamfer is Form C (3 x P), generally for blind holes.
The thread tolerance is 3BX. The tap is built to DIN 2184-1.
Where this product is used
- For Titanium based alloys.
Design features
- Powder metallurgy, 8% cobalt high speed steel (PM-HSS Co). The cobalt keeps strength and hardness at very high cutting temperatures, which suits heavy duty tapping of materials up to 45 HRC.
- TiCN coating for abrasive materials such as cast iron and aluminium alloys, and adhesive materials such as copper and copper-based alloys.
- 2 to 3 flutes, depending on size.
- 15° right-hand spiral flute.
- Form C chamfer, 3 x P.
- Thread tolerance 3BX.
- Unique cutting geometry for highly efficient swarf ejection.
- Optimised micro-finish for optimal process reliability and excellent thread quality.
- DIN 2184-1 construction.
Sizes
Dimensions are in millimetres. Item numbers are the Sutton catalogue numbers. If you are not sure which tapping drill to use, try our tap drill size selector.
| Item no. | Thread size | TPI | Tapping drill (mm) | l1 overall (mm) | l2 thread (mm) | l3 (mm) | d2 shank (mm) | sq square (mm) | l4 square length (mm) | Flutes |
|---|---|---|---|---|---|---|---|---|---|---|
| T790 0284 | #4 x 40 TPI | 40 | 2.3 | 56 | 5 | 18 | 3.5 | 2.7 | 6 | 2 |
| T790 0351 | #6 x 32 TPI | 32 | 2.8 | 56 | 6 | 19 | 4 | 3 | 6 | 3 |
| T790 0483 | #10 x 24 TPI | 24 | 3.9 | 70 | 8 | 20 | 6 | 4.9 | 8 | 3 |
Key specifications
| Specification | Detail |
|---|---|
| Catalogue code | T790 |
| Type | Spiral flute tap |
| Thread series | UNJC |
| Material | PM-HSS Co |
| Finish | TiCN |
| Designation | Ti |
| Spiral | R15 (15° right-hand) |
| Chamfer | Form C / 3 x P |
| Thread tolerance | 3BX |
| Standard | DIN 2184-1 |
| Flutes | 2 to 3 |
| Sizes in this listing | 3 sizes, #4 x 40 TPI to #10 x 24 TPI |
Related products
Related Sutton taps: T790 UNJC Spiral Flute Tap R15 Ti 1/4 to 3/8 - PM-HSS Co - TiCN - DIN 2184-1.
Resources
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#10 x 24 UNJC
Model Number: T7900483
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#6 x 32 UNJC
Model Number: T7900351
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#4 x 40 UNJC
Model Number: T7900284
