Procunier Auto-Reversing Tap Holders for Straight and Morse Taper Spindles
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 | 00000000 |
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 | 00000000 |
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 | 00000000 |
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 |
Procunier Number | Each | |
Clutch Assembly | ||
---|---|---|
1-E | 00000000 | 0000000 |
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, 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 |
Parts for Procunier Auto-Reversing Tap
Holders for Straight and Morse Taper Spindles
Procunier Number | Each | |
Clutch Assembly | ||
---|---|---|
1-E | 00000000 | 0000000 |
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, 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 |
Auto-Reversing Tap Holders for Jacobs Taper Shanks
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. Each holder comes with a chart that indicates the maximum speed, which may be lower depending on the tap size and workpiece material.
For technical drawings and 3-D models, click on a part number.
For Tap Size | For Use On | Max. Speed, rpm | Material | For Tap Pipe Size | Each | |
Jacobs Taper 33 | ||||||
---|---|---|---|---|---|---|
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 rpm | 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 | Steel | 1,500 rpm | Steel | 1/8 | 0000000 | 00000000 |
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 | 1/4", 3/16", 7/32", No. 10, No. 12, No. 14 | 0.59" | 0.468" | Rubber | Steel | 00000000 | 00000 |
J421 | 1/4", 3/16", 7/32", No. 0, No. 1, No. 10, No. 12, No. 14, No. 2, No. 3, No. 4, No. 5, No. 6, No. 8 | 0.941" | 0.5" | Rubber | Steel | 00000000 | 00000 |
J422 | 1/2", 1/4", 11/32", 15/32", 3/8", 5/16", 7/16", 9/32" | 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 |
Tap Holders for Drill Presses and Milling Machines
Also known as tap chucks, these fit into machines that have a Morse taper spindle.
For technical drawings and 3-D models, click on a part number.
For Tap Size | For Tap Pipe Size | Material | Each | |
Morse Taper 2 | ||||
---|---|---|---|---|
__ | 1/8 | Black-Oxide Steel | 0000000 | 000000 |
1/4", M6, M6.3 | __ | Black-Oxide Steel | 0000000 | 00000 |
5/16", M7, M8 | __ | Black-Oxide Steel | 0000000 | 00000 |
3/8", M10 | __ | Black-Oxide Steel | 0000000 | 00000 |
7/16" | __ | Black-Oxide Steel | 0000000 | 00000 |
1/2", M12, M12.5 | __ | Black-Oxide Steel | 0000000 | 00000 |
9/16", M14 | __ | Black-Oxide Steel | 0000000 | 00000 |
5/8", M16 | __ | Black-Oxide Steel | 0000000 | 00000 |
Morse Taper 3 | ||||
__ | 1/4 | Black-Oxide Steel | 0000000 | 00000 |
1/2", M12, M12.5 | __ | Black-Oxide Steel | 0000000 | 00000 |
5/8", M16 | __ | Black-Oxide Steel | 0000000 | 00000 |
3/4" | __ | Black-Oxide Steel | 0000000 | 00000 |
7/8", M22 | __ | Black-Oxide Steel | 0000000 | 00000 |
Morse Taper 4 | ||||
__ | 1/2 | Black-Oxide Steel | 0000000 | 00000 |
__ | 3/8 | Black-Oxide Steel | 0000000 | 00000 |
__ | 3/4 | Black-Oxide Steel | 0000000 | 00000 |
3/4" | __ | Black-Oxide Steel | 0000000 | 00000 |
7/8", M22 | __ | Black-Oxide Steel | 0000000 | 00000 |
1", M25 | __ | Black-Oxide Steel | 0000000 | 00000 |
Collets for Procunier Auto-Reversing Tap Holders
Use to attach taps to Procunier auto-reversing tap holders.
For Tap Size | For Tap Pipe Size | Body Dia. | Material | Each | |
For Procunier No. 1-E | |||||
---|---|---|---|---|---|
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 | 3/4" | Steel | 0000000 | 00000 |
__ | 1/4 | 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 | 1" | Steel | 00000000 | 00000 |
__ | 1/4 | 1" | Steel | 00000000 | 00000 |
__ | 3/8 | 1" | Steel | 00000000 | 00000 |
__ | 1/2 | 1" | Steel | 00000000 | 00000 |
__ | 3/4 | 1" | Steel | 00000000 | 00000 |
M7 | __ | 1" | Steel | 00000000 | 00000 |
M8 | __ | 1" | Steel | 00000000 | 00000 |
Collets for Auto-Reversing Tap Holders for Jacobs Taper Shanks
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 |
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 |