Sutton T521 M3 x 0.5 Forming Tap Multi Coolant Groove B Lead - HSSE - TiN - JIS
Available
The Sutton T521 is a forming (roll) tap with multi coolant groove for metric coarse (M) threads, made from premium grade high speed steel (HSSE) with a gold titanium nitride (TiN) coating. This listing covers 6 sizes from M3 x 0.5 to M10 x 1.5.
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.
- B lead for 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 | Pitch (mm) | Tap hole min-max (mm) | l1 overall (mm) | l2 thread (mm) | l3 (mm) | d2 shank (mm) | sq square (mm) | Limit |
|---|---|---|---|---|---|---|---|---|---|
| T521 0300 | M3 x 0.5 | 0.5 | 2.72-2.80 | 46 | 9 | 19 | 4 | 3.2 | GH5 |
| T521 0400 | M4 x 0.7 | 0.7 | 3.65-3.71 | 52 | 10 | 21 | 5 | 4 | GH6 |
| T521 0500 | M5 x 0.8 | 0.8 | 4.59-4.66 | 60 | 11 | 24 | 5.5 | 4.5 | GH6 |
| T521 0600 | M6 x 1 | 1 | 5.49-5.57 | 62 | 12 | 31 | 6 | 4.5 | GH7 |
| T521 0800 | M8 x 1.25 | 1.25 | 7.34-7.44 | 70 | 18 | - | 6.2 | 5 | GH7 |
| T521 1000 | M10 x 1.5 | 1.5 | 9.18-9.30 | 75 | 19 | - | 7 | 5.5 | GH7 |
Key specifications
| Specification | Detail |
|---|---|
| Catalogue code | T521 |
| Type | Forming (roll) tap with multi coolant groove |
| Thread series | Metric coarse (M) |
| Material | HSSE |
| Finish | TiN |
| Designation | N |
| Standard | JIS |
| Sizes in this listing | 6 sizes, M3 x 0.5 to M10 x 1.5 |
Related products
Related Sutton taps: T520 Metric Coarse Forming Tap Multi Coolant Groove P Lead - HSSE - TiN - JIS, T515 Metric Coarse Forming Tap Single Coolant Groove B Lead - HSSE - TiN - JIS, T514 Metric Coarse Forming Tap Single Coolant Groove P Lead - HSSE - TiN - JIS.
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Sutton T521 Metric Coarse Forming Tap Multi Coolant Groove B Lead - HSSE - TiN - JIS: M3
SKU: A0131436 | Model: T5210300
This is the diameter size d1 M3 option of the Sutton T521 Metric Coarse Forming Tap Multi Coolant Groove B Lead - HSSE - TiN - JIS. Key details for this option: thread size M3 x 0.5, square size 3.2mm, overall length 46mm, pitch 0.5mm.
Sutton T521 Thread Forming Tap Multi Coolant - M - B Lead
The Sutton T521 is a forming (roll) tap with multi coolant groove for metric coarse (M) threads, made from premium grade high speed steel (HSSE) with a gold titanium nitride (TiN) coating. This listing covers 6 sizes from M3 x 0.5 to M10 x 1.5.
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).