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Hand Tools

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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Hand Tool Instructions
Hand Threading Tool

Hand Tool Instructions

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.
Fully retract the cutter blades past the access window by turning the knurled nut counter-clockwise.
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.
Tighten the gland holding the tube.
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.
Turn the knurled nut clockwise to gently touch the cutter blade to the tube, then back the knurled nut off 1/4 turn.
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.
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

Hand Threading Tool

Start with tubing that has been coned, either in a lathe, or with a BuTech hand coning tool or power coning tool.
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)
Lubricate the end of the tube and slide on the threading tool.
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.
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)

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)