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Collets for Auto-Reversing Tapping Heads
Secure taps in auto-reversing tapping heads with these collets. They hold inch and metric taps with shanks that meet ANSI standards.
Collets for Tapmatic and for McMaster-Carr approved tapping heads are made of rubber that compresses to hold a range of tap sizes. Steel jaw inserts add strength and maintain grip as these collets squeeze the tap shank.
For Tapmatic Tapping Heads
| For Tap Size, Inch | For Tap Size, Metric | For Tap Size, Pipe  | For Shank Dia. | Body Dia. | Overall Lg. | Material | Jaw Insert Material | Each | |
For RX 30, RXII 30 Series | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| No. 0 to No. 8 | M1.6 to M4 | __ | 0.094"-0.177" | 0.59" | 0.468" | Rubber | Steel | 25305A31 | 0000000 |
| No. 10 to 1/4" | M4 to M6 | __ | 0.177"-0.256" | 0.59" | 0.468" | Rubber | Steel | 25305A32 | 000000 |
For RX 50, RXII 50 Series | |||||||||
| No. 0 to 1/4" | M3 to M6 | __ | 0.139"-0.257" | 0.941" | 1/2" | Rubber | Steel | 25305A33 | 000000 |
| 5/16" to 1/2" | M7 to M12 | 1/16 | 0.253"-0.383" | 0.941" | 1/2" | Rubber | Steel | 25305A34 | 000000 |