For Use With For Use With |
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Shank Type Shank Type |
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Round | Morse Taper |
For Tap Size For Tap Size |
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For Tap Size in Aluminum For Tap Size in Aluminum |
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For Tap Size in Steel For Tap Size in Steel |
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For Bit Shank Size For Bit Shank Size |
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Component Component |
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These instantly reversing tap holders allow you to back out of a hole once it has been tapped without stopping the machine's motor. They’re also known as tapping heads. Use them for fast, precise tapping on manually operated drill presses and milling machines. Collets (sold separately) are required to connect the tap to the holder.
Procunier Number | Shank Dia. | For Tap Size in Aluminum | For Tap Size in Steel | Max Speed, rpm | Material | Each | |
1-E | 1/2" | No. 0, No. 1, No. 2, No. 3, No. 4, No. 5, No. 6, No. 8, No. 10, No. 12, 1/8", 3/16", 7/32", 1/4", M2, M2.2, M2.5, M3, M3.5, M4, M4.5, M5, M6 | No. 0, No. 1, No. 2, No. 3, No. 4, No. 5, No. 6, No. 8, No.10, No.12, M2, M2.2, M2.5, M3, M3.5, M4, M4.5, M5 | 3,000 | Steel | 00000000 | 0000000 |
2-E | 1/2" | No. 6, No. 8, No. 10, No. 12, 1/8", 3/16", 7/32", 1/4", 9/32", 5/16", 11/32", 3/8", 7/16", 15/32", 1/2", M4, M4.5, M5, M6, M6.3, M7, M8, M9, M10, M11, M12, 1/8 Pipe | No. 6, No. 8, No.10, No.12, 1/8", 3/16", 7/32", 1/4", 9/32", 5/16", M4, M4.5, M5, M6, M6.3, M7, M8 | 2,000 | Steel | 00000000 | 000000 |
3-E | 3/4" | No. 10, No. 12, 1/8", 3/16", 7/32", 1/4", 9/32", 5/16", 11/32", 3/8", 7/16", 15/32", 1/2", 9/16", 5/8", 11/16", 3/4", M6, M6.3, M7, M8, M9, M10, M11, M12, M12.5, M14, M15.2, M16, M18, 1/4 Pipe | No.10, No.12, 1/8", 3/16", 7/32", 1/4", 9/32", 5/16", 11/32", 3/8", 7/16", 15/32", 1/2", M6, M6.3, M7, M8, M9, M10, M11, M12 | 1,000 | Steel | 00000000 | 00000000 |
4-F | 3/4" | 1/4", 9/32", 5/16", 11/32", 3/8", 7/16", 15/32", 1/2", 9/16", 5/8", 11/16", 3/4", 13/16", 7/8", 15/16", 1", 1 1/16", 1 1/8", M6, M6.3, M7, M8, M9, M10, M11, M12, M12.5, M14, M15.2, M16, M18, M18.6, M20, M20.4, M22, M22.5, M24, M26, M27, 1/4 Pipe, 3/8 Pipe, 1/2 Pipe, 3/4 Pipe | 1/4", 9/32", 5/16", 11/32", 7/16", 15/32", 1/2", 9/16", 5/8", 11/16", 3/4", 13/16", 7/8", 15/16", 1", M7, M8, M9, M10, M11, M12, M12.5, M14, M15.2, M16, M18, M18.6, M20, M20.4, M22, M22.5, M24 | 800 | Steel | 00000000 | 00000000 |
Procunier Number | Morse Taper Number | For Tap Size in Aluminum | For Tap Size in Steel | Max. Speed, rpm | Material | Each | |
1-E | 1 | No. 0, No. 1, No. 2, No. 3, No. 4, No. 5, No. 6, No. 8, No. 10, No. 12, 1/8", 3/16", 7/32", 1/4", M2, M2.2, M2.5, M3, M3.5, M4, M4.5, M5, M6 | No. 0, No. 1, No. 2, No. 3, No. 4, No. 5, No. 6, No. 8, No.10, No.12, M2, M2.2, M2.5, M3, M3.5, M4, M4.5, M5 | 3,000 | Steel | 00000000 | 0000000 |
1-E | 2 | No. 0, No. 1, No. 2, No. 3, No. 4, No. 5, No. 6, No. 8, No. 10, No. 12, 1/8", 3/16", 7/32", 1/4", M2, M2.2, M2.5, M3, M3.5, M4, M4.5, M5, M6 | No. 0, No. 1, No. 2, No. 3, No. 4, No. 5, No. 6, No. 8, No.10, No.12, M2, M2.2, M2.5, M3, M3.5, M4, M4.5, M5 | 3,000 | Steel | 00000000 | 000000 |
2-E | 2 | No. 6, No. 8, No. 10, No. 12, 1/8", 3/16", 7/32", 1/4", 9/32", 5/16", 11/32", 3/8", 7/16", 15/32", 1/2", M4, M4.5, M5, M6, M6.3, M7, M8, M9, M10, M11, M12, 1/8 Pipe | No. 6, No. 8, No.10, No.12, 1/8", 3/16", 7/32", 1/4", 9/32", 5/16", M4, M4.5, M5, M6, M6.3, M7, M8 | 2,000 | Steel | 00000000 | 000000 |
2-E | 3 | No. 6, No. 8, No. 10, No. 12, 1/8", 3/16", 7/32", 1/4", 9/32", 5/16", 11/32", 3/8", 7/16", 15/32", 1/2", M4, M4.5, M5, M6, M6.3, M7, M8, M9, M10, M11, M12, 1/8 Pipe | No. 6, No. 8, No.10, No.12, 1/8", 3/16", 7/32", 1/4", 9/32", 5/16", M4, M4.5, M5, M6, M6.3, M7, M8 | 2,000 | Steel | 00000000 | 000000 |
3-E | 2 | No. 10, No. 12, 1/8", 3/16", 7/32", 1/4", 9/32", 5/16", 11/32", 3/8", 7/16", 15/32", 1/2", 9/16", 5/8", 11/16", 3/4", M6, M6.3, M7, M8, M9, M10, M11, M12, M12.5, M14, M15.2, M16, M18, 1/4 Pipe | No.10, No.12, 1/8", 3/16", 7/32", 1/4", 9/32", 5/16", 11/32", 3/8", 7/16", 15/32", 1/2", M6, M6.3, M7, M8, M9, M10, M11, M12 | 1,000 | Steel | 00000000 | 00000000 |
3-E | 3 | No. 10, No. 12, 1/8", 3/16", 7/32", 1/4", 9/32", 5/16", 11/32", 3/8", 7/16", 15/32", 1/2", 9/16", 5/8", 11/16", 3/4", M6, M6.3, M7, M8, M9, M10, M11, M12, M12.5, M14, M15.2, M16, M18, 1/4 Pipe | No.10, No.12, 1/8", 3/16", 7/32", 1/4", 9/32", 5/16", 11/32", 3/8", 7/16", 15/32", 1/2", M6, M6.3, M7, M8, M9, M10, M11, M12 | 1,000 | Steel | 00000000 | 00000000 |
4-F | 3 | 1/4", 9/32", 5/16", 11/32", 3/8", 7/16", 15/32", 1/2", 9/16", 5/8", 11/16", 3/4", 13/16", 7/8", 15/16", 1", 1 1/16", 1 1/8", M6, M6.3, M7, M8, M9, M10, M11, M12, M12.5, M14, M15.2, M16, M18, M18.6, M20, M20.4, M22, M22.5, M24, M26, M27, 1/4 Pipe, 3/8 Pipe, 1/2 Pipe, 3/4 Pipe | 1/4", 9/32", 5/16", 11/32", 7/16", 15/32", 1/2", 9/16", 5/8", 11/16", 3/4", 13/16", 7/8", 15/16", 1", M7, M8, M9, M10, M11, M12, M12.5, M14, M15.2, M16, M18, M18.6, M20, M20.4, M22, M22.5, M24 | 800 | Steel | 00000000 | 00000000 |
4-F | 4 | 1/4", 9/32", 5/16", 11/32", 3/8", 7/16", 15/32", 1/2", 9/16", 5/8", 11/16", 3/4", 13/16", 7/8", 15/16", 1", 1 1/16", 1 1/8", M6, M6.3, M7, M8, M9, M10, M11, M12, M12.5, M14, M15.2, M16, M18, M18.6, M20, M20.4, M22, M22.5, M24, M26, M27, 1/4 Pipe, 3/8 Pipe, 1/2 Pipe, 3/4 Pipe | 1/4", 9/32", 5/16", 11/32", 7/16", 15/32", 1/2", 9/16", 5/8", 11/16", 3/4", 13/16", 7/8", 15/16", 1", M7, M8, M9, M10, M11, M12, M12.5, M14, M15.2, M16, M18, M18.6, M20, M20.4, M22, M22.5, M24 | 800 | Steel | 00000000 | 00000000 |
Component | Each | |
Procunier 1-E | ||
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Clutch Assembly | 00000000 | 000000 |
Clutch Spring | 00000000 | 00000 |
Collet Nut | 0000000 | 00000 |
Spindle | 00000000 | 000000 |
Stud Nut | 00000000 | 0000 |
Wrench | 00000000 | 00000 |
Procunier 2-E | ||
Clutch Assembly | 00000000 | 000000 |
Clutch Spring | 00000000 | 00000 |
Collet Nut | 0000000 | 00000 |
Spindle | 00000000 | 000000 |
Stud Nut | 00000000 | 0000 |
Wrench | 00000000 | 00000 |
Procunier 3-E | ||
Clutch Assembly | 00000000 | 000000 |
Clutch Spring | 00000000 | 00000 |
Collet Nut | 0000000 | 00000 |
Spindle | 00000000 | 000000 |
Stud Nut | 00000000 | 0000 |
Wrench | 00000000 | 00000 |
Procunier 4-F | ||
Clutch Assembly | 00000000 | 000000 |
Clutch Spring | 00000000 | 00000 |
Collet Nut | 0000000 | 00000 |
Spindle | 00000000 | 000000 |
Stud Nut | 00000000 | 0000 |
Wrench | 00000000 | 00000 |
Procunier Number | Each | |
Clutch Assembly | ||
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1-E | 00000000 | 000000 |
2-E | 00000000 | 000000 |
3-E | 00000000 | 000000 |
4-F | 00000000 | 000000 |
Clutch Spring | ||
1-E | 00000000 | 00000 |
2-E | 00000000 | 00000 |
3-E | 00000000 | 00000 |
4-F | 00000000 | 00000 |
Collet Nut | ||
1-E | 0000000 | 00000 |
2-E | 0000000 | 00000 |
3-E | 0000000 | 00000 |
4-F | 0000000 | 00000 |
Spindle | ||
1-E | 00000000 | 000000 |
2-E | 00000000 | 000000 |
3-E | 00000000 | 000000 |
4-F | 00000000 | 000000 |
Stud Nut | ||
1-E | 00000000 | 0000 |
2-E | 00000000 | 0000 |
3-E | 00000000 | 0000 |
4-F | 00000000 | 0000 |
Wrench | ||
1-E | 00000000 | 00000 |
2-E | 00000000 | 00000 |
3-E | 00000000 | 00000 |
4-F | 00000000 | 00000 |
Also known as tapping heads, these holders instantly reverse, allowing you to back out of a hole once it has been tapped without stopping the machine's motor. Use them for fast, precise tapping on manually operated drill presses and milling machines. Each holder comes with a chart that indicates the maximum speed, which may be lower depending on the tap size and workpiece material. Collets (sold separately) are required to connect the tap to the holder.
For Tap Size | For Use On | Max. Speed, rpm | Material | Each | |
Jacobs Taper 33 | |||||
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No. 0, No. 1, No. 2, No. 3, No. 4, No. 5, No. 6, No. 8, No. 10, No. 12, 1/8", 3/16", 7/32", 1/4", M1.4, M1.6, M1.8, M2, M2.2, M2.5, M3, M3.5, M4, M4.5, M5, M6, M6.3, M7 | Steel | 2,000 | Steel | 0000000 | 0000000 |
No. 6, No. 8, No. 10, No. 12, 1/8", 3/16", 7/32", 1/4", 9/32", 5/16", 11/32", 3/8", 7/16", 15/32", 1/2", M3, M3.5, M4, M4.5, M5, M6, M6.3, M7, M8, M9, M10, M11, M12, 1/16 Pipe, 1/8 Pipe | Steel | 1,500 | Steel | 0000000 | 000000 |
Use to attach taps to Procunier auto-reversing tap holders.
For Tap Size | Body Dia. | Material | Each | |
For Procunier No. 1-E | ||||
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No. 0, No. 1, No. 2, No. 3, No. 4, No. 5, No. 6 | 3/8" | Steel | 00000000 | 000000 |
No. 8 | 3/8" | Steel | 00000000 | 00000 |
No. 10 | 3/8" | Steel | 00000000 | 00000 |
No. 12 | 3/8" | Steel | 00000000 | 00000 |
1/4" | 3/8" | Steel | 00000000 | 00000 |
M2.5 | 3/8" | Steel | 00000000 | 00000 |
M3 | 3/8" | Steel | 00000000 | 00000 |
M4 | 3/8" | Steel | 00000000 | 00000 |
M4.5 | 3/8" | Steel | 00000000 | 00000 |
M5 | 3/8" | Steel | 00000000 | 00000 |
M6 | 3/8" | Steel | 00000000 | 00000 |
For Procunier No. 2-E | ||||
No. 0, No. 1, No. 2, No. 3, No. 4, No. 5, No. 6 | 1/2" | Steel | 00000000 | 00000 |
No. 8 | 1/2" | Steel | 00000000 | 00000 |
No. 10 | 1/2" | Steel | 00000000 | 00000 |
No. 12 | 1/2" | Steel | 00000000 | 00000 |
1/4" | 1/2" | Steel | 00000000 | 00000 |
5/16" | 1/2" | Steel | 00000000 | 00000 |
3/8" | 1/2" | Steel | 00000000 | 00000 |
7/16" | 1/2" | Steel | 00000000 | 00000 |
1/2" | 1/2" | Steel | 00000000 | 00000 |
M4 | 1/2" | Steel | 00000000 | 00000 |
M4.5 | 1/2" | Steel | 00000000 | 00000 |
M5 | 1/2" | Steel | 00000000 | 00000 |
M6 | 1/2" | Steel | 00000000 | 00000 |
M7 | 1/2" | Steel | 00000000 | 00000 |
M8 | 1/2" | Steel | 00000000 | 00000 |
For Procunier No. 3-E | ||||
No. 8 | 3/4" | Steel | 0000000 | 00000 |
No. 10 | 3/4" | Steel | 00000000 | 00000 |
No. 12 | 3/4" | Steel | 00000000 | 00000 |
1/4" | 3/4" | Steel | 00000000 | 00000 |
5/16" | 3/4" | Steel | 00000000 | 00000 |
3/8" | 3/4" | Steel | 00000000 | 00000 |
7/16" | 3/4" | Steel | 0000000 | 00000 |
1/2" | 3/4" | Steel | 00000000 | 00000 |
9/16" | 3/4" | Steel | 00000000 | 00000 |
5/8" | 3/4" | Steel | 00000000 | 00000 |
11/16" | 3/4" | Steel | 00000000 | 00000 |
3/4" | 3/4" | Steel | 00000000 | 00000 |
1/8 Pipe | 3/4" | Steel | 0000000 | 00000 |
1/4 Pipe | 3/4" | Steel | 0000000 | 00000 |
M4.5 | 3/4" | Steel | 00000000 | 00000 |
M5 | 3/4" | Steel | 00000000 | 00000 |
M6 | 3/4" | Steel | 00000000 | 00000 |
M7 | 3/4" | Steel | 00000000 | 00000 |
M8 | 3/4" | Steel | 00000000 | 00000 |
For Procunier No. 4-F | ||||
1/4" | 1" | Steel | 00000000 | 00000 |
5/16" | 1" | Steel | 00000000 | 00000 |
3/8" | 1" | Steel | 00000000 | 00000 |
7/16" | 1" | Steel | 00000000 | 00000 |
1/2" | 1" | Steel | 00000000 | 00000 |
5/8" | 1" | Steel | 00000000 | 00000 |
11/16" | 1" | Steel | 00000000 | 00000 |
3/4" | 1" | Steel | 00000000 | 00000 |
13/16" | 1" | Steel | 00000000 | 00000 |
7/8" | 1" | Steel | 00000000 | 00000 |
15/16" | 1" | Steel | 00000000 | 00000 |
1" | 1" | Steel | 00000000 | 00000 |
1/8 Pipe | 1" | Steel | 00000000 | 00000 |
1/4 Pipe | 1" | Steel | 00000000 | 00000 |
3/8 Pipe | 1" | Steel | 00000000 | 00000 |
1/2 Pipe | 1" | Steel | 00000000 | 00000 |
3/4 Pipe | 1" | Steel | 00000000 | 00000 |
M7 | 1" | Steel | 00000000 | 00000 |
M8 | 1" | Steel | 00000000 | 00000 |
Attach taps to auto-reversing tap holders for Jacobs taper shanks.
Manufacturer Model Number | For Tap Size | Body Dia. | Overall Lg. | Material | Jaw Insert Material | Each | |
J116 | No. 0, No. 1, No. 2, No. 3, No. 4, No. 5, No. 6, No. 8 | 0.59" | 0.468" | Rubber | Steel | 00000000 | 000000 |
J117 | No. 10, No. 12, No. 14, 3/16", 7/32", 1/4" | 0.59" | 0.468" | Rubber | Steel | 00000000 | 00000 |
J420 | No. 10, No. 12, No. 14, 3/16", 7/32", 1/4", 9/32", 5/16" | 0.941" | 0.5" | Rubber | Steel | 00000000 | 00000 |
J421 | No. 0, No. 1, No. 2, No. 3, No. 4, No. 5, No. 6, No. 8, No. 10, No. 12, No. 14, 3/16", 7/32", 1/4" | 0.941" | 0.5" | Rubber | Steel | 00000000 | 00000 |
J422 | 1/4", 9/32", 5/16", 11/32", 3/8", 7/16", 15/32", 1/2" | 0.941" | 0.5" | Rubber | Steel | 00000000 | 00000 |
J423 | No. 0, No. 1, No. 2, No. 3, No. 4, No. 5, No. 6, No. 8 | 0.86" | 0.5" | Rubber | Steel | 00000000 | 00000 |
J440 | 5/16", 11/32", 3/8", 7/16", 15/32", 1/2", 9/16", 5/8" | 1.296" | 0.63" | Rubber | Steel | 00000000 | 00000 |
J441 | No. 10, No. 12, No. 14, 3/16", 7/32", 1/4", 9/32", 5/16", 11/32", 3/8", 7/16", 15/32", 1/2" | 1.296" | 0.63" | Rubber | Steel | 00000000 | 00000 |
J443 | No. 0, No. 1, No. 2, No. 3, No. 4, No. 5, No. 6, No. 8, No. 10, No. 12, No. 14, 3/16", 7/32", 1/4" | 1.18" | 0.62" | Rubber | Steel | 00000000 | 00000 |