Description
The Walter 03-B544 is a 1/4-28 UNF spiral point tap with a plug chamfer and 3 flutes. The page lists an overall length of 3.29 in (83.6 mm, converted), a thread length of 1.11 in (28.2 mm, converted), a tap drill size of #3 and a 0.13 in (3.3 mm, converted) square end. It is made of high speed steel (M2) with a bronze finish.
The page lists this tap for through holes and, per the manufacturer, it is designed for use on reversible portable drills. It is sold as a single tap (the page prints 1 PC, supplied in a plastic tube).
Features
- 1/4-28 UNF thread
- Spiral point
- Plug chamfer
- 3 flutes
- Overall length 3.29 in (83.6 mm, converted)
- Thread length 1.11 in (28.2 mm, converted)
- Tap drill size #3
- Square end 0.13 in (3.3 mm, converted)
- High speed steel (M2), bronze finish
- For reversible portable drills, per the manufacturer
- Sold as a single tap
Specifications
| Specification | Value |
|---|---|
| Model | 03-B544 |
| Quantity | 1 piece |
| Type | spiral point tap |
| Thread | 1/4-28 UNF |
| Overall length | 3.29 in (83.6 mm, converted) |
| Thread length | 1.11 in (28.2 mm, converted) |
| Flutes | 3 |
| Chamfer | plug |
| Hole type | through hole |
| Tap drill size | #3 |
| Square size | 0.13 in (3.3 mm, converted) |
| Material | high speed steel (M2) |
| Finish | bronze |
| Packaging | plastic tube |
Part numbers
| Manufacturer part number (MPN) | Big Papa SKU |
|---|---|
| 03-B544 | BP-G-WAL-03B544 |
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