High Strength Bow Shackle

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High-Strength C-Steel Shackle(American Standard shackle)(Bolt Shackle)
Features: small size, light weight, high safety factor, easy to operate
Material: alloy steel integral forging
Safety factor: 1t-25t is 6 times, 25t is more than 4 times
Appearance: Type A is internal thread, Type B is outer nut
Surface: painting, zinc plating

Drawing:

Technical Parameters:

item No	SWL	Nominal Size	(mm) Dimensions					(kg) Weight Each
item No	SWL	Nominal Size	d	A	B	C	H	(kg) Weight Each
TH1201	1	3/8	10	12	16	26	36	0.2
TH1202	2	1/2	13	16	21	33	46.5	0.43
TH1203	3.25	5/8	16	20	27	42	58	0.83
TH1204	4.75	3/4	19	22	32	51	69.5	1.3
TH1205	6.5	7/8	22	25	37	58	82.5	1.8
TH1206	8.5	1	25	30	43	68	92.5	2.8
TH1207	9.5	1-1/8	29	32	46	74	106.5	3.85
TH1208	12	1-1/4	32	36	52	83	117	5.3
TH1209	13.5	1-3/8	35	38	57	89	133	6.7
TH1210	17	1-1/2	38	42	60	98	146	8.8
TH1211	25	1-3/4	44	50	73	127	175	14.6
TH1212	35	2	51	56	83	146	195	22
TH1213	45	2-1/4	56	65	95	160	233	31
TH1214	55	2-1/2	64	70	105	184	266	43.3
TH1215	60	2-3/4	70	78	100	200	289	57
TH1216	85 (80)	3	76	82	121	229	335	73
TH1217	100	3-3/8	86	92	131	232	356	100
TH1218	120	3-1/2	90	95	154	241	372	114
TH1219	150	4	102	108	160	254	390	165
TH1220	175	4-1/4	108	120	170	260	410	190
TH1221	200	4-3/4	120	130	184	280	440	283
TH1222	250	5	127	140	210	330	470	350
TH1223	300	6	152	170	220	345	520	470
TH1224	400	7	178	190	230	360	572	670

Standards for Discarding:
There are obvious permanent deformations or the pivot pin cannot rotate freely.
The sectional wear volume of buckle body or the pivot pin is more than 10% of the original size.
Any crack appears on the shackle body.
Shackle cannot lock.
Shackles fail the test.

Production Process:
Round billet inspection---cutting---Die forging---heat treatment---grinding shot blasting ---machining--- assembly---tensile testing---surface coating ---storage

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