Sutton T375 M5 x 0.8 Spiral Flute Tap Synchro R50 IK - PM-HSSE V3 - TiCN
Available
The Sutton T375 is a spiral flute tap (R50 spiral, HSC designation, internal coolant, synchro) for metric coarse (M) threads, made from powder metallurgy, vanadium grade high speed steel (PM-HSSE V3) with a TiCN coating. This listing covers 9 sizes from M5 x 0.8 to M20 x 2.5.
The 50° right-hand spiral flute suits blind holes in long chipping materials: the high helix angle curls the chips and transports them back out of the hole. The tap cuts on reversal, so the flutes have rake on both front and back faces. The chamfer is Form C (2.5 x P), generally for blind holes.
The thread tolerance is 6HX. The internal coolant duct (IK) delivers coolant through the tap to the cutting zone.
Where this product is used
- Suitable for materials up to 850 N/mm2.
- Blind holes up to 2 x d1.
Design features
- Powder metallurgy, vanadium grade high speed steel (PM-HSSE V3). The very fine and uniform grain structure allows high hardness while keeping good toughness, for materials up to 40 HRC and difficult-to-machine materials such as stainless steels.
- TiCN coating for abrasive materials such as cast iron and aluminium alloys, and adhesive materials such as copper and copper-based alloys.
- 3 to 4 flutes, depending on size.
- 50° right-hand spiral flute.
- Form C chamfer, 2.5 x P.
- Thread tolerance 6HX.
- For high speed and precision tapping.
- For rigid tapping in CNC machines with synchronised feed.
- h6 endmill shank.
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 |
|---|---|---|---|---|---|---|---|---|---|---|
| T375 0500 | M5 x 0.8 | 0.8 | 4.2 | 70 | 8 | 25 | 6 | 4.9 | 8 | 3 |
| T375 0600 | M6 x 1 | 1 | 5 | 80 | 10 | 30 | 6 | 4.9 | 8 | 3 |
| T375 0800 | M8 x 1.25 | 1.25 | 6.8 | 90 | 13 | 35 | 8 | 6.2 | 9 | 3 |
| T375 1000 | M10 x 1.5 | 1.5 | 8.5 | 100 | 15 | 39 | 10 | 8 | 11 | 3 |
| T375 1200 | M12 x 1.75 | 1.75 | 10.3 | 110 | 18 | 42 | 12 | 9 | 12 | 4 |
| T375 1400 | M14 x 2 | 2 | 12 | 110 | 20 | 49 | 14 | 11 | 14 | 4 |
| T375 1600 | M16 x 2 | 2 | 14 | 110 | 20 | 55 | 16 | 12 | 15 | 4 |
| T375 1800 | M18 x 2.5 | 2.5 | 15.5 | 125 | 25 | - | 16 | 12 | 15 | 4 |
| T375 2000 | M20 x 2.5 | 2.5 | 17.5 | 140 | 25 | - | 16 | 12 | 15 | 4 |
Key specifications
| Specification | Detail |
|---|---|
| Catalogue code | T375 |
| Type | Spiral flute tap |
| Thread series | Metric coarse (M) |
| Material | PM-HSSE V3 |
| Finish | TiCN |
| Designation | HSC |
| Spiral | R50 (50° right-hand) |
| Chamfer | Form C / 2.5 x P |
| Thread tolerance | 6HX |
| Flutes | 3 to 4 |
| Sizes in this listing | 9 sizes, M5 x 0.8 to M20 x 2.5 |
Related products
Related Sutton taps: T373 Metric Coarse Spiral Flute Tap Synchro R50 - PM-HSSE V3 - TiCN, T371 Metric Coarse Spiral Flute Tap Synchro R45 Al IK - PM-HSSE V3 - CrN, T369 Metric Coarse Spiral Flute Tap Synchro R45 Al - PM-HSSE V3 - CrN, T367 Metric Coarse Spiral Flute Tap Synchro L20 IK - PM-HSSE V3 - TiCN, T365 Metric Coarse Spiral Flute Tap Synchro L20 - PM-HSSE V3 - TiCN.
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M5
Model Number: T3750500
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M6
Model Number: T3750600
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M8
Model Number: T3750800
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M10
Model Number: T3751000
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M12
Model Number: T3751200
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M14
Model Number: T3751400
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M16
Model Number: T3751600
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M18
Model Number: T3751800
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M20
Model Number: T3752000
