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Atlas Ball Lock Power Chucks

This chuck is used for gripping castings and forgings. It pulls back workpieces with tapered surfaces of up to 10 degrees while providing a right and left compliance of 5 degrees resulting in strong clamping force
Available in self-centering version (add “CT” to end of part number “BL8-A5CT”)
Available as compensating chuck with center or plug (add “CP” to end of part number “BL8-A5CP”)
Also available in 2 jaw configuration (add “2” to end of part number “BL8-A5PT2”)
Available as adapter or direct mount

Model* No.	Jaw Stroke Dia.	Sleeve Stroke	Gripping Capacity		Draw Bar Pull lb/f	Grip Force b/f	Max RPM	Wt lbs
			Max	Min
BL6-A4	.311"	.445"	4.72"	.500"	5950	17850	4000	40
BL6-A5	.311"	.445"	4.72"	.500"	5950	17850	4000	40
BL6-A6	.311"	.445"	4.72"	.500"	5950	17850	4000	40
BL8-A5	.374"	.563"	5.98"	.630"	7950	23800	3500	60
BL8-A6	.374"	.563"	5.98"	.630"	7950	23800	3500	60
BL10-A6	.500"	.689"	7.99"	1.969"	9900	29750	3000	99
BL10-A8	.500"	.689"	7.99"	1.969"	9900	29750	3000	99
BL12-A8	.500"	.689"	9.49"	2.480"	9900	35700	2500	149
BL12-A11	.500"	.689"	9.49"	2.480"	9900	35700	2500	149
BL15-A8	.622"	.878"	12.48"	2.992"	15000	45000	2000	186
BL15-A11	.622"	.878"	12.48"	2.992"	15000	45000	2000	186
BL18-A8	.622"	.878"	15.51"	3.504"	15000	45000	1500	265
BL18-A11	.622"	.878"	15.51"	3.504"	15000	45000	1500	265
BL21-A11	.622"	.878"	18.50"	6.378"	15000	45000	1000	397