Catalogue - Hardinge® Chuck Jaws - Hardinge Workholding - (Version JPG)

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Style Q(Gontinued)

Aluminum Re Jaws® with Fine Metric Serrations (i.5mmx60°)

See Style "P" for corresponding straight aluminum or steel jaws

These jaws are made with A319 cast aluminum. A wide selection of steel and cast iron jaws is also available in this style. (Note: Steel and cast iron jaw weights are approximately 3 times that of the aluminum weights listed below). Please specify material when ordering.

2-bolt Flat Jaw:

2-bolt Pointed Jaw:

: Used for Hardinge® jaw chucks

Made with A319 Cast Aluminum SPECIFICATIONS (inches—unless


Model No.	Part No.	D	H	G	S	B	N	Weight (lb)
		(Diameter) (Height)		(Groove)	(Spacing)	(Bolt)	(Nose)	Set of 3
KTT-12-P-A³	SC-2001415A	12	2-1/2	.710	1.181	14mm	2-5/16	28
KTT-12-P-1-A³	SC-2001416A	12	5	.710	1.181	14mm	2-5/16	51
KTT-15-12-P-A³	SC-2001417A	15	3	.710	1.181	14mm	2-5/16	51
KTT-15-12-P-1	SC-2001418A	15	4	.710	1.181	14mm	3-3/4	72
KTT-18-12-P-A³	SC-2001419A	18	3	.710	1.181	14mm	2-3/16	71
KTT-18-12-P-1 ³	SC-2001420A	18	4	.710	1.181	14mm	2-3/16	96
KTT-21-12-P-2³*	SC-2001421A	21	2	.710	1.181	14mm	2-3/16	70.5
KTT-21-12-P³*	SC-2001422A	21	3	.710	1.181	14mm	2-3/16	102
KTT-21-12-P-1³*	SC-2001423A	21	4	.710	1.181	14mm	2-3/16	141
KTT-B212-P-A³	SC-2001424A	12	2-1/2	.828	1.181	16mm	2-11/16	28
KTTB212-P-1-A³	SC-2001425A	12	5	.828	1.181	16mm	2-11/16	51
KTT-12-P-B	SC-2001426A	12	2-1/2	.710	1.488	14mm	2-3/8	28
KTT-12-P-1-B	SC-2001427A	12	5	.710	1.488	14mm	2-3/8	51
HOW-27M12-P	SC-2001428A	12	2-1/2	.827	1.377	16mm	2-3/4	28
HOW-27M12-P-1	SC-2001429A	12	5	.827	1.377	16mm	2-3/4	51
SEIKI-12-P	SC-2001430A	12	2-1/2	.710	1.260	14mm	3-1/8	28
SUG-12-P-STM	SC-2001431A	12	2-1/2	.788	1.377	12mm	3-7/16	28
SUG-12-P-1-STM	SC-2001432A	12	5	.788	1.377	12mm	3-7/16	51
SUG-14-P-STG	SC-2001433A	14	3	.827	1.771	16mm	4-3/16	46
KTT-15-P-2	SC-2001434A	15	2	.866	1.693	20mm	4-5/16	32
KTT-15-P	SC-2001435A	15	3	.866	1.693	20mm	4-5/16	52
DTT-15-P-1	SC-2001436A	15	4	.866	1.693	20mm	4-5/16	72
KTT-18-15-P	SC-2001437A	18	3	.866	1.693	20mm	4-5/16	85
KTT-18-15-P-1	SC-2001438A	18	4	.866	1.693	20mm	4-5/16	100
KTT-21-15-P-2*	SC-2001439A	21	2	.866	1.693	20mm	4-5/16	70.5
KTT-21-15-P*	SC-2001440A	21	3	.866	1.693	20mm	4-5/16	102
KTT-21-15-P-1*	SC-2001441A	21	4	.866	1.693	20mm	4-5/16	141
KTT-24-15-P-2*	SC-2001442A	24	2	.866	1.693	20mm	4-5/16	105
KTT-24-15-P*	SC-2001443A	24	3	.866	1.693	20mm	4-5/16	146
KTT-24-15-P-1*	SC-2001444A	24	4	.866	1.693	20mm	4-5/16	205
KTT-B215-P	SC-2001445A	15	3	1.004	1.689	20mm	4-5/16	52
KTT-B215-P-1	SC-2001446A	15	4	1.004	1.689	20mm	4-5/16	72
KTT-15-P-2.36	SC-2001447A	15	3	.886	2.360	20mm	3-3/16	52
KTT-15-P-12.36	SC-2001448A	15	4	.886	2.360	20mm	3-3/16	72

Chuck Size

3-bolt Pointed Jaw:

3-bolt Flat Jaw:

15 & 18

⁵ 3-bolt ^f Flat nose

When using oversized jaws, maximum RPM must be reduced - Consult your chuck manual

Hardinge® Chuck Jaws - Hardinge Workholding - #25

Vertical machining center, Milling-drilling machine, CNC lathe, Drill, Tool-holder