Heat Shrink Toolholder BT Series | Jimmy Tool

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BT toolholder

BT-SR SHRINKFIT CHUCK

Principle of Heat-Shrink Tool Holders

Tool installation and removal are achieved by utilising the difference in thermal
expansion coefficients between imported steel and carbide cutting tools.

Heat-shrink tool holders are manufactured from imported steel; they feature a low
heat-shrink temperature, a long service life, stable clamping force and high precision.

1、Strong torque power
2、High concentricity and run-out accuracy,suitable for fine finishing machining.

	Specification	Φd1	D1	D2	L1	L	Weight(KG)
BT30	-SR3-80	14.8	3	9	10	80	0.90
	-SR4-80	15.8	4	10	10	80	0.90
	-SR5-80	16.8	5	11	10	80	0.90
	-SR6-80	17.8	6	12	10	80	0.90
	-SR8-80,120	19.8	8	14	10	80,120	0.90,1.00
	-SR10-80,120	21.8	10	16	26	80,120	0.90,1.00
	-SR12-80,120	23.8	12	18	32	80,120	1.10,1.35
	-SR14-80,120	25.8	14	20	38	80,120	1.30,1.50
	-SR16-90,120	27.8	16	22	38	90,120	1.80,1.95
	-SR18-90,120	29.8	18	24	40	90,120	2.0,2.2
	-SR20-90,120	31.8	20	26	42	90,120	2.20,2.30
BT40	-SR3-90	17	3	9	10	90	1.00
	-SR4-90	18	4	10	10	90	1.00
	-SR5-90	19	5	11	10	90	1.10
	-SR6-90,120	20	6	12	10	90,120	1.00,1.10
	-SR8-90,120	22	8	14	10	90,120	1.00,1.10
	-SR10-90,120	24	10	16	26	90,120	1.10,1.10
	-SR12-90,120	26	12	18	32	90,120	1.10,1.10
	-SR14-90,120	28	14	20	38	90,120	1.20,1.20
	-SR16-90,120	30	16	22	38	90,120	1.20,1.30
	-SR18-90,120	32	18	24	40	90,120	1.40,1.60
	-SR20-95,120	34	20	26	42	95,120	2.00,2.20
	-SR25-100,120	39	25	31	50	100,120	2.50,3.00
BT50	-SR3-90	17	3	9	10	90	3.40
	-SR4-90	18	4	10	10	90	3.40
	-SR5-90	19	5	11	10	90	3.50
	-SR6-90,120	20	6	12	10	90,120	3.50,3.60
	-SR8-90,120	22	8	14	10	90,120	3.50,3.60
	-SR10-90,120	24	10	16	26	90,120	3.80,4.0
	-SR12-90,120	26	12	18	32	90,120	3.95,4.05
	-SR14-90,120	28	14	20	38	90,120	4.10,4.30
	-SR16-90,120	30	16	22	38	90,120	4.15,4.40
	-SR18-90,120	32	18	24	40	90,120	4.80,5.10
	-SR20-95,120	34	20	26	42	95,120	5.00,5.30
	-SR25-100,120	39	25	31	50	100,120	5.50,6.10

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