Sutton T144 M10 x 1.5 Spiral Point Tap H - PM-HSS Co - Steam Oxide - DIN 371
Available
The Sutton T144 is a spiral point (gun) tap (H designation) for metric coarse (M) threads, made from powder metallurgy, 8% cobalt high speed steel (PM-HSS Co) with a blue steam-oxide finish. This listing covers 6 sizes from M3 x 0.5 to M10 x 1.5.
The gun (spiral point) nose curls the chip forward, ahead of the tap and out of the hole, so chip clogging is avoided and coolant can flow without problems. It suits through holes. The H designation is for hard materials that form short chips, with a low rake angle and low thread relief. The chamfer is Form B (4.5 x P), for through holes in medium and long chipping materials.
The thread tolerance is 6HX. The tap is built to DIN 371: reinforced shank with square drive.
Where this product is used
- Suitable for harder materials up to 45 HRC.
- Through holes.
- Depths up to 3 x d1.
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.
- Blue steam-oxide finish for ferrous metals; it helps prevent chip build-up on the cutting edges and carries lubricant well.
- 3 flutes.
- Form B chamfer, 4.5 x P.
- Thread tolerance 6HX.
- The H designation is for hard materials that form short chips, with a low rake angle and low thread relief.
- DIN 371 construction, reinforced shank with square drive.
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 | Pitch (mm) | Tapping drill (mm) | l1 overall (mm) | l2 thread (mm) | l3 (mm) | d2 shank (mm) | sq square (mm) | l4 square length (mm) | Flutes |
|---|---|---|---|---|---|---|---|---|---|---|
| T144 0300 | M3 x 0.5 | 0.5 | 2.5 | 56 | 11 | 18 | 3.5 | 2.7 | 6 | 3 |
| T144 0400 | M4 x 0.7 | 0.7 | 3.3 | 63 | 13 | 21 | 4.5 | 3.4 | 6 | 3 |
| T144 0500 | M5 x 0.8 | 0.8 | 4.2 | 70 | 16 | 25 | 6 | 4.9 | 8 | 3 |
| T144 0600 | M6 x 1 | 1 | 5 | 80 | 19 | 30 | 6 | 4.9 | 8 | 3 |
| T144 0800 | M8 x 1.25 | 1.25 | 6.8 | 90 | 22 | 35 | 8 | 6.2 | 9 | 3 |
| T144 1000 | M10 x 1.5 | 1.5 | 8.5 | 100 | 24 | 39 | 10 | 8 | 11 | 3 |
Key specifications
| Specification | Detail |
|---|---|
| Catalogue code | T144 |
| Type | Spiral point (gun) tap |
| Thread series | Metric coarse (M) |
| Material | PM-HSS Co |
| Finish | Steam Oxide |
| Designation | H |
| Chamfer | Form B / 4.5 x P |
| Thread tolerance | 6HX |
| Standard | DIN 371 |
| Flutes | 3 |
| Sizes in this listing | 6 sizes, M3 x 0.5 to M10 x 1.5 |
Related products
Related Sutton taps: T145 Metric Coarse Spiral Point Tap H - PM-HSS Co - Steam Oxide - DIN 376, T146 Metric Coarse Spiral Point Tap H - PM-HSS Co - TiCN - DIN 371, T147 Metric Coarse Spiral Point Tap H - PM-HSS Co - TiCN - DIN 376, T140 Metric Coarse Spiral Point Tap NH - PM-HSSE V3 - TiAlN - DIN 371, T148 Metric Coarse Spiral Point Tap H IK - PM-HSS Co - TiCN - DIN 371.
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M3
Model Number: T1440300
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M4
Model Number: T1440400
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M5
Model Number: T1440500
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M6
Model Number: T1440600
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M8
Model Number: T1440800
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M10
Model Number: T1441000
