Combination taps
A combination tap drills the core hole and cuts the thread in one operation. That saves the tool change and rules out a drill that does not match the tap. Machine taps cut the thread in a single pass and run in a drilling machine, a machining centre or a tapping attachment.
VÖLKEL offers 14 versions in HSSE, from M 3 x 0.5 to M 12 x 1.75, plus BSW 1/8 x 40 to BSW 1/2 x 12.
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All sizes at a glance
14 articles in 1 series. The article number links straight to the tool.
Combined Machine Tap with round shank and square drive 30° Spiral Flute HSSE
| Threadnominal size | Tapping drillØ in mm | Article no. |
|---|---|---|
| BSW 1/8 x 40 | 2.6 | 70006 |
| BSW 5/32 x 32 | 3.1 | 70008 |
| BSW 3/16 x 24 | 3.6 | 70010 |
| BSW 1/4 x 20 | 5.1 | 70014 |
| BSW 5/16 x 18 | 6.5 | 70016 |
| BSW 3/8 x 16 | 7.9 | 70018 |
| BSW 1/2 x 12 | 10.5 | 70022 |
| M 3 x 0.5 | 2.5 | 37026 |
| M 4 x 0.7 | 3.3 | 37030 |
| M 5 x 0.8 | 4.2 | 37034 |
| M 6 x 1.0 | 5 | 37038 |
| M 8 x 1.25 | 6.8 | 37042 |
| M 10 x 1.5 | 8.5 | 37046 |
| M 12 x 1.75 | 10.2 | 37050 |
Tapping drill: drill diameter recommended by VÖLKEL (Technical Information “Tapping drill sizes”).
