Sutton T457 3/4 x 10 TPI Spiral Point Tap Intermediate - HSSE - Bright - ISO 529
Available
The Sutton T457 is a spiral point (gun) tap (intermediate chamfer) for BSW threads, made from premium grade high speed steel (HSSE) with a bright finish. This listing covers 10 sizes from 1/8 x 40 TPI to 3/4 x 10 TPI.
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 tap has a intermediate chamfer (Form D, 3.5 to 5 threads on the lead), generally for through holes.
The thread tolerance is Z3 Medium. The tap is built to ISO 529: short machine tap construction.
Where this product is used
- General purpose use.
- Suitable for materials up to 1000 N/mm2.
- Through 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.
- Bright finish for general purpose applications.
- 3 to 4 flutes, depending on size.
- Intermediate chamfer (Form D), generally for through holes.
- Thread tolerance Z3 Medium.
- ISO 529 construction, short machine tap 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| T457 0318 | 1/8 x 40 TPI | 40 | 2.55 | 48 | 15 | 15 | 3.15 | 2.5 | 5 | 3 |
| T457 0397 | 5/32 x 32 TPI | 32 | 3.2 | 53 | 17 | 17 | 4 | 3.15 | 6 | 3 |
| T457 0476 | 3/16 x 24 TPI | 24 | 3.7 | 58 | 16 | 22 | 5 | 4 | 7 | 3 |
| T457 0635 | 1/4 x 20 TPI | 20 | 5.1 | 66 | 19 | 25 | 6.3 | 5 | 8 | 3 |
| T457 0794 | 5/16 x 18 TPI | 18 | 6.5 | 72 | 22 | 30 | 8 | 6.3 | 9 | 3 |
| T457 0953 | 3/8 x 16 TPI | 16 | 7.9 | 80 | 24 | 33 | 10 | 8 | 11 | 3 |
| T457 1111 | 7/16 x 14 TPI | 14 | 9.3 | 85 | 25 | - | 8 | 6.3 | 9 | 3 |
| T457 1270 | 1/2 x 12 TPI | 12 | 10.5 | 89 | 29 | - | 9 | 7.1 | 10 | 3 |
| T457 1588 | 5/8 x 11 TPI | 11 | 13.5 | 102 | 32 | - | 12.5 | 10 | 13 | 3 |
| T457 1905 | 3/4 x 10 TPI | 10 | 16.25 | 112 | 37 | - | 14 | 11.2 | 14 | 4 |
Key specifications
| Specification | Detail |
|---|---|
| Catalogue code | T457 |
| Type | Spiral point (gun) tap |
| Thread series | BSW |
| Material | HSSE |
| Finish | Bright |
| Chamfer | Intermediate (Form D) |
| Thread tolerance | Z3 Medium |
| Standard | ISO 529 |
| Flutes | 3 to 4 |
| Sizes in this listing | 10 sizes, 1/8 x 40 TPI to 3/4 x 10 TPI |
Related products
Related Sutton taps: T458 BSW Spiral Point Tap Intermediate - HSSE - Steam Oxide - ISO 529, T459 BSW Spiral Point Tap Intermediate - HSSE - TiN - ISO 529.
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Sutton T457 BSW Spiral Point Tap Intermediate - HSSE - Bright - ISO 529: 10
SKU: A0015584 | Model: T4571905
This is the tpi 10 option of the Sutton T457 BSW Spiral Point Tap Intermediate - HSSE - Bright - ISO 529. Key details for this option: thread length 37mm, tapping drill size 16.25mm, square size 11.2mm, shank diameter 14mm, overall length 112mm.
Features
The Sutton T457 is a spiral point (gun) tap (intermediate chamfer) for BSW threads, made from premium grade high speed steel (HSSE) with a bright finish. This listing covers 10 sizes from 1/8 x 40 TPI to 3/4 x 10 TPI.
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 tap has a intermediate chamfer (Form D, 3.5 to 5 threads on the lead), generally for through holes.
The thread tolerance is Z3 Medium. The tap is built to ISO 529: short machine tap construction.