Tube Bender
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The BuTech tube bender is designed to bend heavy wall tubing and provide fast, accurate and reliable bending with only one setup. The tube bender is complete with slide block, radius block and bending shoes in a portable, lockable case.
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To order a complete tube bender, specify catalog number from the chart below.
| Included Radius Block Sizes | Catalog Number |
| 1/4" | MTB4 |
| 3/8" | MTB6 |
| 9/16" | MTB9 |
| 1/4",3/8",9/16" | MTB469 |
To order extra radius blocks, specify catalog number from the chart below.
| Tube OD | Catalog Number | Bend Radius | Min. Tube Length* |
| 1/4" | PH-2043 | 1.75"(44.5mm) | 1.25”(31.8mm) |
| 3/8" | PH-2044 | 1.75"(44.5mm) | 8.00"(203.2mm) |
| 9/16" | PH-2045 | 2.62"(66.5mm) | 14.00"(355.6mm) |
| *For 90° bend |
Tube Vises
- Lightweight and inexpensive
- No collapsing of tubing
- Better holding power on tube
- No soft jaws required on vises
- No marking on OD of tubing
- Use as a stop gauge when coning and threading
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| Tube OD | Catalog Number |
| 1/4" | TV4 |
| 3/8" | TV6 |
| 9/16" | TV9 |
| 3/4" | TV12 |
| 1" | TV16 |
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Hand Tools
BuTech hand tools are designed to permit on-site end preparation for tubing. The coning tool uses a precision collet to maintain concentricity between the tube and the cutter blades. This unique feature makes it ideal for machining a cone at the end of a tube, or for re-dressing an existing, damaged cone connection. The threading tool is designed to permit on-site end preparation for medium and high pressure tubing installation from 1/4" to 1" O.D. The manual threading tool uses an adjustable split die and a precision guide bushing to cut a perfect thread.
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| Tube OD | Series | Coning Tool | Threading Tool |
| 1/4" | 20,000 PSI | 20HCT4 | THT4-H |
| 3/8" | 20,000 PSI | 20HCT6 | THT6-H |
| 9/16" | 20,000 PSI | 20HCT9 | THT9-H |
| 3/4" | 20,000 PSI | 20HCT12 | THT12-H |
| 1" | 20,000 PSI | 20HCT16 | THT16-H |
| 1/4" | 60,000 PSI | 60HCT4 | THT4-H |
| 3/8" | 60,000 PSI | 60HCT6 | THT6-H |
| 9/16" | 60,000 PSI | 60HCT9 | THT9-H |
| 3/4" | 60,000 PSI | 60HCT12 | THT12-H |
| 1" | 30,000 PSI | 30HCT16 | THT16-H |
Hand Tool Instructions
Hand Coning Tool
1. Place the body of the hand coning tool in a suitable vise. The crank handle end of the tool should be elevated slightly so that the lubricant can flow down the lubrication channel to the cutter head. Be sure to provide adequate clearance for the rotation of the crank handle.
2. Fully retract the cutter blades past the access window by turning the knurled nut counter-clockwise.
3. Loosen the gland at the front of the tool and insert the tube. The end of the tube should be even with the front of the access window (nearest the cutter blade), but should not contact the cutter blade.
4. Tighten the gland holding the tube.
5. Apply a liberal amount of lubricant to the exposed end of the tube, the cutter blades, and through the lubrication channel at the crank handle. Important: Apply lubricant frequently and liberally throughout the cutting operation.
6. Turn the knurled nut clockwise to gently touch the cutter blade to the tube, then back the knurled nut off 1/4 turn.
7. Crank the handle clockwise to spin the cutter blades. Turn the knurled nut clockwise to engage and to begin cutting the tube. For best results, establish a gentle but constant feed of the knurled nut and a smooth continuous cutter rotation. Do not try to remove too much material at once. Let the cutter blades do the work. Thin, curled machining chips should fall freely from the lower access window. Note: Back the cutter blades off the work-piece before interrupting the cut. Use compressed air or a small brush to clean the accumulation of chips from the blades and work-piece through the coning operation. The operation is complete when the blades begin to cut the land area at the base of the cone.
8. Back the cutter blades off the work-piece and loosen the gland to remove the tubing. Inspect the cone for completeness and surface finish.
Important: Clean the machining chips from the blade and from the collet before coning the next tube.
| Replacement Parts |
| Connection | Catalog Number | Blade | Bushing |
| 1/4" M/P | 20HCT4 | 20BL4 | CB4 |
| 3/8" M/P | 20HCT6 | 20BL6 | CB6 |
| 9/16" M/P | 20HCT9 | 20BL9 | CB9 |
| 3/4" M/P | 20HCT12 | 20BL12 | CB12 |
| 1" M/P | 20HCT16 | 20BL16 | CB16 |
| 1/4" H/P | 60HCT4 | 60BL4 | CB4 |
| 3/8" H/P | 60HCT6 | 60BL6 | CB6 |
| 9/16" H/P | 60HCT9 | 60BL9 | CB9 |
| 1" H/P | 30HCT16 | 30BL16 | CB16 |
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Hand Threading Tool
1. Start with tubing that has been coned, either in a lathe, or with a BuTech hand coning tool or power coning tool.
2. Secure tube in a tube vise, with no more than the recommended length of tubing extending beyond the face of the vise. (see chart below)
3. Lubricate the end of the tube and slide on the threading tool.
4. Take a firm grip on the handles of the tool and, with a steady pressure, turn the tool counter-clockwise. Approximately every half turn of the tool, reverse direction to break off and remove chips. Important: Apply lubricant frequently and liberally throughout the cutting operation.
5. Continue threading until the proper length of thread is reached. Remove tool from the tubing end.
Important: Clean the chips from the die and body of the tool before threading the next tube.
| Replacement Parts |
| Connection | Catalog Number | Die | Bushing |
| 1/4" M/P | THT4-H | TD4 | TB4 |
| 3/8" M/P | THT6-H | TD6 | TB6 |
| 9/16" M/P | THT9-H | TD9 | TB9 |
| 3/4" M/P | THT12-H | TD12 | TB12 |
| 1" M/P | THT16-H | TD16 | TB16 |
| 1/4" H/P | THT4-H | TD4 | TB4 |
| 3/8" H/P | THT6-H | TD6 | TB6 |
| 9/16" H/P | THT9-H | TD9 | TB9 |
| 1" H/P | THT16-H | TD16 | TB16 |
| Tube OD | Recommended Length |
| 1/4" | 1.25" - 1.50" (31.8mm - 38.1mm) |
| 3/8" | 1.25" - 1.50" (31.8mm - 38.1mm) |
| 9/16" | 1.75" - 2.00" (44.5mm - 50.8mm) |
| 3/4" | 3.00 - 3.50" (76.2mm - 88.9mm) |
| 1" | 3.00 - 3.50" (76.2mm - 88.9mm) |
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| Connection | Thread Length |
| 1/4" M/P | 0.34" (8.6mm) |
| 3/8" M/P | 0.44" (11.2mm) |
| 9/16" M/P | 0.50" (12.7mm) |
| 3/4" M/P | 0.62" (15.7mm) |
| 1" M/P | 0.78" (19.8mm) |
| 1/4" H/P | 0.56" (14.2mm) |
| 3/8" H/P | 0.75" (19.1mm) |
| 9/16" H/P | 0.94" (23.9mm) |
| 1" H/P | 0.92" (23.2mm) |
Power Tools
BuTech hand tools are designed to be used with any variable speed power hand drill. This unique feature makes them perfect for fast machining of several tube ends.
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| Tube OD | Series | Coning Tool | Threading Tool |
| 1/4" | 20,000 PSI | 20CT4 | THT4-P |
| 3/8" | 20,000 PSI | 20CT6 | THT6-P |
| 9/16" | 20,000 PSI | 20CT9 | THT9-P |
| 3/4" | 20,000 PSI | 20CT12 | THT12-P |
| 1" | 20,000 PSI | 20CT16 | THT16-P |
| 1/4" | 60,000 PSI | 60CT4 | THT4-P |
| 3/8" | 60,000 PSI | 60CT6 | THT6-P |
| 9/16" | 60,000 PSI | 60CT9 | THT9-P |
| 3/4" | 60,000 PSI | 60CT12 | THT12-P |
| 1" | 60,000 PSI | 60CT16 | THT16-P |
Power Coning Tool
1. Secure tube in a tube vise, with no more than the recommended length of tubing extending beyond the face of the vise.
2. Mount threading tool in a variable speed 3/8" or 1/2" power drill. Lubricate the end of the tube and slide on tool.
3. Apply a steady pressure against the end of the tube while the drill motor/tool cuts the cone. The tool can be removed any time during the coning operation for inspection. Important: Apply lubricant frequently and liberally throughout the cutting operation.
4. Continue cutting until the cone is complete. The tool will stop cutting when the tube angle and facing is complete.
Important: Clean the chips from the blade and body of the tool before coning the next tube.
| Replacement Parts |
| Connection | Catalog Number | Blade | Bushing |
| 1/4" M/P | 20CT4 | 20BL4 | CB4 |
| 3/8" M/P | 20CT6 | 20BL6 | CB6 |
| 9/16" M/P | 20CT9 | 20BL9 | CB9 |
| 3/4" M/P | 20CT12 | 20BL12 | CB12 |
| 1" M/P | 20CT16 | 20BL16 | CB16 |
| 1/4" H/P | 60CT4 | 60BL4 | CB4 |
| 3/8" H/P | 60CT6 | 60BL6 | CB6 |
| 9/16" H/P | 60CT9 | 60BL9 | CB9 |
| 1" H/P | 30CT16 | 30BL16 | CB16 |
| Tube OD | Recommended Length |
| 1/4" | 1.25" - 1.50" (31.8mm - 38.1mm) |
| 3/8" | 1.25" - 1.50" (31.8 - 38.1) |
| 9/16" | 1.75" - 2.00" (44.5mm - 50.8mm) |
| 3/4" | 3.00 - 3.50" (76.2mm - 88.9mm) |
| 1" | 3.00 - 3.50" (76.2mm - 88.9mm) |
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Power Threading Tool
1. Start with tubing that has been coned, either in a lathe, or with a BuTech hand coning tool or power coning tool.
2. Secure tube in a tube vise, with no more than the recommended length of tubing extending beyond the face of the vise. (see chart below)
3. Mount threading tool in a 3/8" or 1/2" variable speed power drill. Lubricate the end of the tube and slide on tool.
4. Make sure the drill motor is set to turn counter-clockwise. Apply a steady pressure against the end of the tube with the drill motor/tool as the threads are cut. Important: Apply lubricant frequently and liberally throughout the cutting operation.
5. Continue threading until the proper length of thread is reached. Reverse direction on the drill motor and remove tool from the tubing end.
Important: Clean the chips from the die and body of the tool before threading the next tube.
| Replacement Parts |
| Connection | Catalog Number | Die | Bushing |
| 1/4" M/P | THT4-P | TD4 | TB4 |
| 3/8" M/P | THT6-P | TD6 | TB6 |
| 9/16" M/P | THT9-P | TD9 | B9 |
| 3/4" M/P | THT12-P | TD12 | TB12 |
| 1" M/P | THT16-P | TD16 | TB16 |
| 1/4" H/P | THT4-P | TD4 | TB4 |
| 3/8" H/P | THT6-P | TD6 | TB6 |
| 9/16" H/P | THT9-P | TD9 | TB9 |
| 1" H/P | THT16-P | TD16 | TB16 |
| Tube OD | Recommended Length |
| 1/4" | 1.25" - 1.50" (31.8mm - 38.1mm) |
| 3/8" | 1.25" - 1.50" (31.8mm - 38.1mm) |
| 9/16" | 1.75" - 2.00" (44.5mm - 50.8mm) |
| 3/4" | 3.00 - 3.50" (76.2mm - 88.9mm) |
| 1" | 3.00 - 3.50" (76.2mm - 88.9mm) |
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| Connection | Thread Length |
| 1/4" M/P | 0.34" (8.6mm) |
| 3/8" M/P | 0.44" (11.2mm) |
| 9/16" M/P | 0.50" (12.7mm) |
| 3/4" M/P | 0.62" (15.7mm) |
| 1" M/P | 0.78" (19.8mm) |
| 1/4" H/P | 0.56" (14.2mm) |
| 3/8" H/P | 0.75" (19.1mm) |
| 9/16" H/P | 0.94" (23.9mm) |
| 1" H/P | 0.92" (23.2mm) |
