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Retrac button bit (half concave) T38
T38 (1 1/2″)
T38 Retrac button bit (half concave): 13 sizes, diameter Φ54–Φ89 mm.
| Diameter, mm | Diameter, in | Center | Edge | Gauge angle | Flushing front/gauge | Weight kg | Drawing No. |
|---|---|---|---|---|---|---|---|
| Φ54 | 2 1/8″ | 3×9 | 6×10 | 35° | 3 / 1 | 1.4 | 1632-54T38-39/610-45-51 |
| Φ57 | 2 1/4″ | 3×10 | 6×11 | 35° | 3 / 1 | 1.5 | 1632-57T38-310/611-45-51 |
| Φ57 | 2 1/4″ | 3×10 | 6×11 | 35° | 3 / 1 | 1.5 | 1632-57T38-310/611-45-41 |
| Φ64 | 2 1/2″ | 5×9 | 8×10 | 35° | 4 / - | 2 | 1632-64T38-59/810-45-51 |
| Φ64 | 2 1/2″ | 5×9 | 8×10 | 35° | 4 / - | 2 | 1632-64T38-59/810-45-41 |
| Φ64 | 2 1/2″ | 3×11 | 6×12 | 35° | 3 / 1 | 2 | 1632-64T38-311/612-45-51 |
| Φ64 | 2 1/2″ | 3×11 | 6×12 | 35° | 3 / 1 | 2 | 1632-64T38-311/612-45-41 |
| Φ70 | 2 3/4″ | 5×10 | 8×11 | 35° | 4 / - | 2.6 | 1632-70T38-510/811-45-51 |
| Φ70 | 2 3/4″ | 5×10 | 8×11 | 35° | 4 / - | 2.6 | 1632-70T38-510/811-45-41 |
| Φ76 | 3″ | 5×11 | 8×12 | 35° | 4 / - | 3.2 | 1632-76T38-511/812-45-51 |
| Φ76 | 3″ | 5×11 | 8×12 | 35° | 4 / - | 3.2 | 1632-76T38-511/812-45-41 |
| Φ89 | 3 1/2″ | 5×12 | 8×12 | 35° | 4 / - | 4.5 | 1632-89T38-512/812-45-51 |
| Φ89 | 3 1/2″ | 5×12 | 8×12 | 35° | 4 / - | 4.5 | 1632-89T38-512/812-45-41 |
Flushing “front/gauge” is the number of front and gauge holes; weight is net per piece.
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