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Retrac button bit (half concave) T51
T51 (2″)
T51 Retrac button bit (half concave): 9 sizes, diameter Φ83–Φ127 mm.
| Diameter, mm | Diameter, in | Center | Edge | Gauge angle | Flushing front/gauge | Weight kg | Drawing No. |
|---|---|---|---|---|---|---|---|
| Φ83 | 3 1/2″ | 5×12 | 8×12 | 35° | 4 / - | 4 | 1632-83T51-512/812-45-41 |
| Φ89 | 3 1/2″ | 5×12 | 8×12 | 40° | 4 / - | 4.5 | 1632-89T51-512/812-45-51 |
| Φ89 | 3 1/2″ | 5×12 | 8×13 | 35° | 4 / - | 4.5 | 1632-89T51-512/813-45-51 |
| Φ89 | 3 1/2″ | 5×12 | 8×13 | 35° | 4 / - | 4.5 | 1632-89T51-512/813-45-41 |
| Φ89 | 3 1/2″ | 5×13 | 8×13 | 35° | 4 / - | 4.5 | 1632-89T51-513/813-45-51 |
| Φ89 | 3 1/2″ | 5×13 | 8×13 | 35° | 4 / - | 4.5 | 1632-89T51-513/813-45-41 |
| Φ102 | 4″ | 9×11 | 9×13 | 35° | 3 / - | 6.2 | 1632-102T51-911/913-45-41 |
| Φ115 | 4 1/2″ | 10×12 | 9×14 | 35° | 3 / - | 8.6 | 1632-115T51-1012/914-45-41 |
| Φ127 | 5″ | 10×13 | 9×14 | 35° | 3 / - | 11.5 | 1632-127T51-1013/914-45-41 |
Flushing “front/gauge” is the number of front and gauge holes; weight is net per piece.
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