Internal / External Threaded Taper Pins are used for extraction of the pins more conveniently especially from blind holes. They are also used in very accurate constructed tools and gauges which have to be kept in absolute alignment. External & Internal Threaded Taper Pins are made and supplied in unhardened condition DIN 7977 & 7978 Ext. Thread Taper Pins can also be manufactured to DIN ? 258, ISO : 8736 or ISO : 8737 and to Customers Specifications.
Nominal Diameter d | Φ6 | Φ8 | Φ10 | Φ12 | Φ16 | Φ20 | Φ25 | Φ30 | Φ40 | Φ50 | |||||||
d | (m6) | max | 6.012 | 8.015 | 10.015 | 12.018 | 16.018 | 20.021 | 25.021 | 30.021 | 40.025 | 50.025 | |||||
min | 6.004 | 8.006 | 10.006 | 12.007 | 16.007 | 20.008 | 25.008 | 30.008 | 40.009 | 50.009 | |||||||
a | ≈ | 0.8 | 1 | 1.2 | 1.6 | 2 | 2.5 | 3 | 4 | 5 | 6.3 | ||||||
c | 2.1 | 2.6 | 3 | 3.8 | 4.6 | 6 | 6 | 7 | 8 | 10 | |||||||
d1 | M4 | M5 | M6 | M6 | M8 | M10 | M16 | M20 | M20 | M24 | |||||||
P | Pitch | 0.7 | 0.8 | 1 | 1 | 1.25 | 1.5 | 2 | 2.5 | 2.5 | 3 | ||||||
d2 | 4.3 | 5.3 | 6.4 | 6.4 | 8.4 | 10.5 | 17 | 21 | 21 | 25 | |||||||
t1 | 6 | 8 | 10 | 12 | 16 | 18 | 24 | 30 | 30 | 36 | |||||||
t2 | min | 10 | 12 | 16 | 20 | 25 | 28 | 35 | 40 | 40 | 50 | ||||||
t3 | 1 | 1.2 | 1.2 | 1.2 | 1.5 | 1.5 | 2 | 2 | 2.5 | 2.5 |