Products

Pratt Burnerd 4-Jaw Independent Chucks

Two-year warranty
Precision manufactured to fit types A, D, L, and threaded spindles or adapter mounting
Ductile iron body
Sizes 6″ – 16″
Hardened operating screws
Solid reversible hard jaws
Special jaw and jaw way design adding extra bearing surfaces, increases chuck life and rigidity

4-Jaw High Quality Independent Chucks
Chuck Size	Adapter Mounting	Type A Spindle Short Taper		Type D Spindle Camlock		Type L Spindle Long Taper
	Model No.	Size	Model No.	Size	Model No.	Size	Model No.
6	0614400			D-3	0614420	L-00	0614431
6				D-4	0614421	L-0	0614433
8	0814400	A-5	0814410	D-3	0814420	L-00	0814431
8				D-4	0814421	L-0	0814432
8						L-1	0814433
10	1014400	A-5	1014410	D-4	1014421	L-00	1014431
10				D-5	1014422
10		A-6	1014411	D-6	1014423	L-0	1014432
10		A-8	1014412	D-8	1014424	L-1	1014433
12	1214400	A-6	1214411	D-6	1214423	L-0	1214432
12		A-8	1214412	D-8	1214424	L-1	1214433
12	1224400	2-PIECE JAWS
14	1414500	A-6	1414511	D-6	1414523	L-1	1414533
14		A-8	1414512	D-8	1414524	L-2	1414534
14	1424500	2-PIECE JAWS
16	1614500	A-8	1614512	D-8	1614524	L-1	1614533
16		A-11	1614513	D-11	1614525	L-2	1614534
16	1624500	2-PIECE JAWS
Larger diameter chucks available, contact us for price and delivery.

Dimensional Data for Adapter Mounting Chucks
Chuck Size												Gripping Capacity		Wt.
	A	B	C	D	E	F	G	H	J	K	L	Min.	Max.	lbs
6"	6.30"	4.921"	1.77"	2.12"	.87"	.16"	5.512"	.94"	M10	M10	7-1⁄8"	5/16"	5"	16
8"	7.87"	4.921"	1.97"	2.83"	1.22"	.16"	5.512"	1.26"	M10	M10	9-1⁄4"	5/16"	7"	31
10"	9.84"	7.874"	2.36"	2.83"	1.22"	.19"	8.819"	1.26"	M12	M12	12"	1/2"	8"	43
12"	12.40"	7.874"	2.95"	3.15"	1.42"	.19"	8.819"	1.42"	M12	M12	14"	1/2"	10"	72
14"	13.80"	10.236"	2.95"	3.58"	1.47"	.19"	11.26"	1.42"	-	M12	16"	3/4"	12"	126
16"	15.75"	10.236"	4.05"	3.58"	1.47"	.19"	11.26"	1.42"	-	M12	18"	3/4"	14"	180

Mounting Plates for 144, 145, 144S & 145S Series Independent Chucks
Mounting plates are precision machined to suit the spindle nose of your machine. Plates are stocked semi-finished. If ordering plate separately, specify the model number of your chuck so that PBA can finish machine the adapter to suit your Pratt Burnerd chuck.

Type D Camlock Mountings
Spindle	6"	8"	10"	12"	14"	16"
D-3	0603020	0603020	1003020	1003020	-	-
D-4	0603021	0603021	1003021	1003021	-	-
D-5	0603022	0603022	1003022	1003022	1203022	-
D-6	-	0603023	1003023	1003023	1203023	1203023
D-8	-	-	1003024	1003024	1203024	1203024
D-11	-	-	-	-	1203025	1203025

Type A American Standard Short Taper A1 & A2 Spindles
Spindle	6"	8"	10"	12"	14"	16"
A-5	0603010	0603010	1003010	-	-	-
A-6	0603011	0603011	1003011	1003011	-	-
A-8	-	-	1003012	1003012	1203012	1203012
A-11	-	-	-	-	1203013	1203013

Type L American Standard Long Taper Spindles
Spindle	6"	8"	10"	12"	14"	16"
L-00	0603031	0603031	1003031	-	-	-
L-0	0603032	0603032	1003032	1003032	1203032	-
L-1	-	-	1003033	1003033	1203033	1203033
L-2	-	-	1003034	1003034	1203034	1203034

Threaded Spindles
Spindle	6"	8"	10"
1-1⁄2" - 8	0603041	0603041	-
1-3⁄4" - 8	0603042	0603042	-
2-1⁄4" - 8	0603043	0603043	1003043

Hardinge 4° Taper Plate
Spindle	6"	8"
4° Taper	0604044	0604044

Special adapter plates available upon request. Specify chuck number and spindle nose specifications. 6", 8", 10" and 12" adapters are the same as 3 Jaw adapters. For standard spindle dimensions, see our pdf catalog.