Description
Combined-Machine Tap BSW 1/8×40 HSSE
The Combined Tap enables the user to produce the tapping drill hole and the through thread in one operation without any tool changing.
The tool incorporates a twist drill before the thread-tapping part. This tool can produce through threads up to a maximum threaded depth of 2 x D.
The Combined Tap is suitable for universal use in materials of medium mechanical strength: non-alloyed and alloyed steel sorts up to 600 N/mm², malleable cast iron, nodulized graphite cast iron, copper, brass, aluminium, aluminium-magnesium and zinc alloys, red bronze, electron metal, pressure-cast zinc. This tool should be used on machines possessing an RP switchover facility for drilling and tapping. The feed rate must be adapted to the particular operation required – drilling or tapping. Tapping chucks with pressure compensation may not be used.
| Type | with round shank and square drive |
|---|---|
| Standard | Works Standard |
| Type of flute | 30° Spiral Flute |
| Material | HSSE |
| Type of thread | Whitworth-Thread |
| Size | BSW 1/8 x 40 |
| Thread standard | BS 84 |
| Tolerance | medium |
| Overall length (L1) | 56 mm |
| Thread length (L2) | 11 mm |
| Shank diameter (D2) | 3 mm |
| Length (S1) | 16 mm |
| Square | 2.4 mm |
| Application | for through holes |
Made in Germany
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