CLGR® Galvanized Turnbuckle Hook & Hook US Fed. Spec.

Name: CLGR® Galvanized Turnbuckle Hook & Hook US Fed. Spec.
Brand: CLGR®

CLGR® Galvanized Turnbuckle Hook & Hook US Fed. Spec. also known as double hook turnbuckle and hot dipped galvanized turnbuckle hook & hook.

Our double hook turnbuckle is engineered for rapid deployment and heavy-duty tensioning, featuring a hot-dip galvanized finish that provides excellent corrosion resistance in harsh environments.

Forged from super-carbon steel and compliant with US Federal Specification, this turnbuckle delivers reliable performance for temporary fencing, transportation securing, and industrial applications.

The dual hook design enables quick connection and disconnection without tools, while reverse-cut threads provide precise tension adjustment by simple rotation. Each unit is clearly marked with its working load limit (WLL) to ensure safe operation.

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Overview of CLGR® Galvanized Turnbuckle Hook & Hook US Fed. Spec.

Brand	CLGR®
Technical Notes	Hook & Hook Turnbuckle meet US Federal Specification
Origin	China
Material	Superior Carbon Steel (1045)
Safety Factor	Proof tested to 2×WLL and Minimum Break Force is 5 × WLL.
Processing	Drop Forged + Machining
Finish	Hot Dipped Galvanized
Thread Dia & Take Up(in)	1/4×4, 5/16×4 1/2, 3/8×6, 1/2×6, 1/2×12, 5/8×6, 5/8×12, 3/4×6, 3/4×12, 3/4×18, 7/8×12, 1×12
Tips	Color Code: Customized according to customers’ requirements

Specifications of CLGR® Galvanized Turnbuckle Hook & Hook US Fed. Spec.

Drawing of CLGR® Galvanized Turnbuckle Hook & Hook US Fed. Spec.

Part No.	Thread Dia & Take Up(in)	WLL	U.W.	Dimensions(in)
		WLL	U.W.	Dimensions(in)
		(Ibs)	(Ibs)	A	D	E	F	J	K	M	N	BB
						Closed		Open	Closed	Open	Closed
						Closed		Open	Closed	Open	Closed
CR-TB-HH-US-01	1/4×4	400	0.33	0.25	0.44	1.67	1.27	9.79	7.38	12.2	8.2	4.07
CR-TB-HH-US-02	5/16×4 1/2	700	0.52	0.31	0.5	2	1.5	11.58	8.58	14.08	9.58	4.58
CR-TB-HH-US-03	3/8×6	1000	0.83	0.38	0.56	2.28	1.77	15.23	10.62	17.84	11.84	6.1
CR-TB-HH-US-04	1/2×6	1500	1.88	0.5	0.65	3.53	2.28	17.98	13.2	20.76	14.76	6.03
CR-TB-HH-US-05	1/2×12	1500	2.77	0.5	0.65	3.51	2.28	30.27	19.49	33.05	21.05	12.36
CR-TB-HH-US-06	5/8×6	2250	3.21	0.63	0.9	4.24	2.81	19.5	14.5	22.5	16.5	6.03
CR-TB-HH-US-07	5/8×12	2250	4.58	0.63	0.9	4.23	2.81	31.84	20.84	34.84	22.84	12.39
CR-TB-HH-US-08	3/4×6	3000	4.2	0.75	0.98	5.07	3.33	21.19	15.98	24.4	18.4	6.13
CR-TB-HH-US-09	3/4×12	3000	6.92	0.75	0.98	5.04	3.33	33.59	22.38	36.8	24.8	12.59
CR-TB-HH-US-10	3/4×18	3000	8.65	0.75	0.98	5.07	3.33	45.59	28.38	48.8	30.8	18.53
CR-TB-HH-US-11	7/8×12	4000	9.85	0.88	1.13	5.82	3.78	34.89	23.52	38.26	26.26	12.16
CR-TB-HH-US-12	1×12	5000	14.8	1	1.25	6.56	4.25	36.59	25.06	40.12	28.12	12.18

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We design, manufacture and distribute products and provide services for lifting and material handling applications, the construction metal industry, the trawl industry and the yacht accessories industry.

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