Imperial/Inch Tapped Dowel Pin to BS1804 Limits
Code: DPT
Imperial/Inch Extractable Dowel Pin
Extractable Dowels to BS1804 British Standard in hardened steel. To the same specification as the plain BS1804 standard Imperial Dowels from Bonehams. Imperial extractable dowels feature a tapped extraction hole which is internally threaded to allow for extraction via a Boneham Extractor Tool or other device.
Tapped dowels are common in applications that feature a blind hole for location and require removal or reuse of the dowel pin. Imperial Tapped Extractable Dowel Pins
Key Features
- Hardened parallel pin with internal thread
- Diameter tolerance +0.0001" to +0.0003"
- Ground to a precise interference fit
- Internally threaded (tapped) with chamfer
- Hardened parallel pin with internal thread
- Diameter tolerance +0.0001" to +0.0003"
- Ground to a precise interference fit
- Internally threaded (tapped) with chamfer
- ¼" to ¾" Diameters
- ½" to 6" Lengths
| Material | Case Hardened Steel |
| Finish / Colour | Hardened & Ground |
| Tailoring Options | Diameter, Length, Materials & to Customer Drawing |
| Manufacturing Standard | BS 1804 |
| Metric or Imperial | Imperial |
| Standard Size Range | ¼" - ¾" |
| Parent Item Code | DPT |
| Included | Tapped Dowel pin |
| Pin Diameter | Internal Thread Details |
| 1/4" | 4BA x 1/4" (Thread Size x Thread Depth) |
| 5/16" | 3BA x 1/4" (Thread Size x Thread Depth) |
| 3/8" | 2BA x 5/16" (Thread Size x Thread Depth) |
| 1/2" | 1/4BSF x 3/8" (Thread Size x Thread Depth) |
| 5/8" | 1/4BSF x 3/8" (Thread Size x Thread Depth) |
| 3/4" | 1/4BSF x 3/8" (Thread Size x Thread Depth) |
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