Sutton T526 #5 x 40 TPI Forming Tap Single Coolant Groove P Lead - HSSE - TiN - JIS
Available
The Sutton T526 is a forming (roll) tap with single coolant groove for UNC threads, made from premium grade high speed steel (HSSE) with a gold titanium nitride (TiN) coating. This listing covers 7 sizes from #4 x 40 TPI to 5/16 x 18 TPI.
A forming tap has no flutes and does not cut: it rolls the thread by displacing the metal, so it makes no chips and suits blind and through holes. Forming needs more machine power because of the torque involved, the rolled thread is stronger than a cut thread because the grain structure stays uniform through the thread form, and the tapping drill size differs from that of a cutting tap.
The tap is built to JIS (Japanese Industrial Standards).
Where this product is used
- For cold forming of threads in materials with good flow characteristics.
- Suitable for material with >10% elongation.
- Through or blind holes.
- Depths up to approx. 3 x d1.
Design features
- Premium grade high speed steel (HSSE). The vanadium grade gives high wear resistance and toughness for most tapping applications.
- Gold titanium nitride (TiN) coating for 3 to 8 times longer tool life than uncoated tools, with higher speeds and feeds.
- JIS (Japanese Industrial Standards) construction.
Sizes
Dimensions are in millimetres. Item numbers are the Sutton catalogue numbers. The tap hole column is the hole diameter range to prepare before forming the thread.
| Item no. | Thread size | TPI | Tap hole min-max (mm) | l1 overall (mm) | l2 thread (mm) | l3 (mm) | d2 shank (mm) | sq square (mm) | Limit |
|---|---|---|---|---|---|---|---|---|---|
| T526 0284 | #4 x 40 TPI | 40 | 2.49-2.59 | 46 | 11 | 23 | 3 | 2.5 | GH5 |
| T526 0318 | #5 x 40 TPI | 40 | 2.82-2.92 | 46 | 9 | 23 | 4 | 3.2 | GH5 |
| T526 0351 | #6 x 32 TPI | 32 | 3.11-3.19 | 48 | 9 | 23 | 4 | 3.2 | GH6 |
| T526 0483 | #10 x 24 TPI | 24 | 4.27-4.38 | 60 | 11 | 25 | 5.5 | 4.5 | GH6 |
| T526 0549 | #12 x 24 TPI | 24 | 4.93-5.04 | 62 | 11 | 24 | 6 | 4.5 | GH6 |
| T526 0635 | 1/4 x 20 TPI | 20 | 5.67-5.80 | 62 | 14 | 31 | 6 | 4.5 | GH7 |
| T526 0794 | 5/16 x 18 TPI | 18 | 7.18-7.32 | 70 | 22 | - | 6.1 | 5 | GH7 |
Key specifications
| Specification | Detail |
|---|---|
| Catalogue code | T526 |
| Type | Forming (roll) tap with single coolant groove |
| Thread series | UNC |
| Material | HSSE |
| Finish | TiN |
| Designation | N |
| Standard | JIS |
| Sizes in this listing | 7 sizes, #4 x 40 TPI to 5/16 x 18 TPI |
Related products
Related Sutton taps: T527 UNC Forming Tap Single Coolant Groove B Lead - HSSE - TiN - JIS.
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Sutton T526 UNC Forming Tap Single Coolant Groove P Lead - HSSE - TiN - JIS: #5
SKU: A0131443 | Model: T5260318
This is the diameter size #5 option of the Sutton T526 UNC Forming Tap Single Coolant Groove P Lead - HSSE - TiN - JIS. Key details for this option: thread size #5 x 40 TPI, square size 3.2mm, overall length 46mm.