3H-2/3H-2A

LARGE THRU-HOLE | 3-JAW

LARGE THRU-HOLE POWER CHUCK

LARGE THRU-HOLE | 3-JAW

WEDGE-HOOK type 3-jaw with the extra large through-hole.
Matching surfaces of all parts hardened, ground and lubricated directly.
High rigidity and high repeatability precision.

J is the hole diameter of blank draw nut,

If not notified, AUTOGRIP will adopt the K Default as K value.

K is the maximum thread specification and it could be customize.

Catalog Download

Specifications

Model	-	Plunger stroke (mm)	Jaw stroke (Dia.) (mm)	Chucking Dia. Max. (mm)	Chucking Dia. Min. (mm)	Max. D.B. pull kN (kgf)	Max. clamping force kN (kgf)	Max. speed min^-1 (r.p.m.)	I kg‧m ²	Weight (kg)	Weight (kg)	Matching cyl.	Max. pressure MPa (kgf/cm²)
3H-204	A4	13	5.5	113	7	13.7 (1400)	36.0 (3670)	8000	0.012	4.22	5.34	TK-A528	2.0(20)
3H-205	A4	13	5.5	138	10	17.2 (1750)	48.0 (4890)	7000	0.02	6.3	7.1	TK-A533	2.5(25)
3H-206	A5	14	6	170	13	23.3 (2375)	66.8 (6810)	6000	0.06	13.1	14.9	TK-A646	2.5(25)
3H-208	A6	18	7.6	210	17	31.9 (3250)	107.0 (10900)	5000	0.15	21.8	23.4	TK-A853	2.6(26)
3H-210	A8	21	8.9	260	37	49 (5010)	152 (15500)	4500	0.32	37.5	43	TK-A1075	3.2(32)
3H-212	A11	25	10.6	315	43	58.8 (6000)	157 (16010)	3700	0.74	58.7	64.7	TK-A1512	1.9(19)
3H-215	A8	25	10.6	405	49	71 (7240)	180 (18350)	2500	2.8	127	149	TK-2114	2.1(21)
3H-215	A11	25	10.6	405	49	71 (7240)	180 (18350)	2500	2.8	127	143.3	TK-2114	2.1(21)
3H-215	A15	25	10.6	405	49	71 (7240)	180 (18350)	2500	2.8	127	135.6	TK-2114	2.1(21)
3H-18B	A15	23	10.6	456	79	71.0 (7240)	180.0 (18350)	2000	4.8	162.4	173.4	TK-2416	1.9(19)
3H-221	A15	28	12.9	530	105	90 (9175)	234 (23860)	1800	7.5	223	234	TK-2416	2.4(24)
3H-224	A20	28	12.9	610	135	100 (10200)	240 (24500)	1500	15.8	270	284	TK-2820	2.1(21)
3H-232	A20	34	18	800	205	100 (10200)	240 (24500)	1200	47	546	560	TK-2820	2.1(21)

* The dimensions and the specifications of 3H-BA、3H-2A are in the orange data.
* The 3H-2 series are power chucks with extra large thru-hole design.
* The rotary cylinders are recommended based on power chucks that from 4”~10” are common used in the industry.
* If you find that you need different bore size or installation interface, please just contact us. We have many standard and customized power chucks for option and meet your needs.

Dimensions

Model	-	A	B	B	C	D	D1	D2	E	E1	F	G max.	G max.	G min.	G min.	H	J	K max.	K Default	L	L1	L1	M	N	P	Q max.	Q min.	R max.	R min.	S	T	U
3H-204	A4	113	59	83	85	70.6	63.51	82.6	4	28	32	3.5	31.5	-9.5	18.5	17.5	12	M38x1.5	M32x1.5	3~M10	16	15	24	52	14	12.75	6.75	25	22.25	23	10	3~M10
3H-205	A4	138	60	71	110	82.6	63.51	96	4	15	39	1	16	-12	3	20	12	M45x1.5	M40x1.5	3~M10	14.5	14.5	31	62	14	20.25	6.75	29.5	26.8	25	10	3~M6
3H-206	A5	170	81	91	140	104.8	82.56	116	5	15	53	13	28	-1	14	17.5	20	M60x2	M55x2	6~M10	16	16	37	73	20	21.25	9.25	36	33	31	12	3~M6
3H-208	A6	210	91	103	170	133.4	106.38	150	5	17	66	16.5	33.5	-1.5	15.5	20	30	M75x2	M60x2	6~M12	17	15	38	95	25	23.7	10.2	45.7	41.9	35	14	3~M6
3H-210	A8	260	102	115	220	171.4	139.72	190	5	18	86	10.5	28.5	-10.5	7.5	25	45	M95x2	M85x2	6~M16	20.0	22	43	110	30	32.2	12.7	56.5	52.05	40	16	3~M8
3H-212	A11	315	110	126	300	235	196.87	260	6	22	106	10	32	-15	7	28	50	M115x2	M115x2	6~M20	30	28	51	130	30	44.75	14.75	67.8	62.5	50	21	3~M10
3H-215	A8	405	132	159	380	330.2	139.72	171.4	6	33	145	11	44	-14	19	39	60	M155x3 / M115x2	M155x3 / M100x2	6~M24	36	24	63	165	43	49.75	19.75	90	84.7	62	25.5	6~M16
3H-215	A11	405	132	166	380	330.2	196.87	235	6	40	145	11	51	-14	26	39	60	M155x3	M155x3	6~M24	36	31	63	165	43	49.75	19.75	90	84.7	62	25.5	6~M20
3H-215	A15	405	132	153	380	330.2	285.78	330.2	6	27	145	11	38	-14	13	39	60	M155x3	M155x3	6~M24	36	34	63	165	43	49.75	19.75	90	84.7	62	25.5	3~M12
3H-18B	A15	456	145	166	380	330.2	285.78	330.2	6	27	165	18	45	-15	22	40	60	M175x3	M175x3	6~M24	38	36	63	165	43	64	20.5	102	96.7	62	25.5	3~M12
3H-221	A15	530	140	161	380	330.2	285.78	330.2	6	27	180	15	42	-13	14	40	80	M190x3	M190x3	6~M24	33	36	73	180	60	69.5	24.5	113.5	107.1	65	25	3~M12
3H-224	A20	610	145	166	520	463.6	412.78	463.6	6	27	210	15	42	-13	14	41	80	M225x3	M225x3	6~M24	35	33	73	180	60	93.5	24.5	128	121.5	65	25	3~M12
3H-232	A20	800	150	170	520	463.6	412.78	463.6	6	27	275	24	51	-10	17	42	100	M295x3	M295x3	6~M24	36	34	73	180	60	150.5	24.5	166	157	65	25	3~M12

* The dimensions and the specifications of 3H-2A are in the orange data.

Download

Model	2D pdf	2D dwg	3D step
3H-204
3H-204A4
3H-205
3H-205A4
3H-206
3H-206A5
3H-208
3H-208A6
3H-210
3H-210A8
3H-212
3H-212A11
3H-215
3H-215A8
3H-215A11
3H-18B
3H-18BA15
3H-221
3H-221A15
3H-224
3H-224A20
3H-232
3H-232A20