Sutton T787 3/8 x 24 TPI Spiral Flute Tap L12 Ti - PM-HSS Co - TiCN - DIN 2184-1
Available
The Sutton T787 is a spiral flute tap (L12 spiral, Ti designation) for UNJF threads, made from powder metallurgy, 8% cobalt high speed steel (PM-HSS Co) with a TiCN coating. This listing covers 3 sizes from 1/4 x 28 TPI to 3/8 x 24 TPI.
The 12° left-hand spiral with right-hand cutting curls and carries the chips forward of the tap, like a gun tap, and the helical flutes keep the thread pitch where another hole crosses the tapped hole. It suits through holes, including interrupted holes.
The tap is built to DIN 2184-1.
Where this product is used
- Blind holes.
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.
- 3 flutes.
- 12° left-hand spiral flute.
- 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| T787 0635 | 1/4 x 28 TPI | 28 | 5.6 | 80 | 19 | 30 | 7 | 5.5 | 8 | 3 |
| T787 0794 | 5/16 x 24 TPI | 24 | 7 | 90 | 22 | 34 | 8 | 6.2 | 9 | 3 |
| T787 0953 | 3/8 x 24 TPI | 24 | 8.6 | 100 | 24 | 35 | 10 | 7 | 10 | 3 |
Key specifications
| Specification | Detail |
|---|---|
| Catalogue code | T787 |
| Type | Spiral flute tap |
| Thread series | UNJF |
| Material | PM-HSS Co |
| Finish | TiCN |
| Designation | Ti |
| Spiral | L12 (12° left-hand) |
| Standard | DIN 2184-1 |
| Flutes | 3 |
| Sizes in this listing | 3 sizes, 1/4 x 28 TPI to 3/8 x 24 TPI |
Related products
Related Sutton taps: T791 UNJF Spiral Flute Tap R15 Ti - PM-HSS Co - TiCN - DIN 2184-1, T795 UNJF Spiral Flute Tap R10 Ni - PM-HSS Co - TiCN - DIN 2184-1.
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Sutton T787 UNJF Spiral Flute Tap L12 Ti - PM-HSS Co - TiCN - DIN 2184-1: 3/8 x 24 UNJF
SKU: A0131496 | Model: T7870953
Tap Size 3/8 x 24 UNJF. Sutton T787 Spiral Flute Tap - L12 Ti - UNJF
The Sutton T787 is a spiral flute tap (L12 spiral, Ti designation) for UNJF threads, made from powder metallurgy, 8% cobalt high speed steel (PM-HSS Co) with a TiCN coating. This listing covers 3 sizes from 1/4 x 28 TPI to 3/8 x 24 TPI.
The 12° left-hand spiral with right-hand cutting curls and carries the chips forward of the tap, like a gun tap, and the helical flutes keep the thread pitch where another hole crosses the tapped hole. It suits through holes, including interrupted holes.
The tap is built to DIN 2184-1.