Crosby HG228 Jaw & Jaw Turnbuckles

Crosby HG228 Jaw and Jaw Turnbuckles for Certified for Lifting, Holding and Tensioning. WLL Range from 230kg to 34 tonnes.

Model:

Crosby HG-228

Quick Ref:

JJT-2446

Rigging Screws with a Clevis Pin Jaw at Both Ends for Pulling and Tensioning, Also Lifting Certified

Our range of Crosby HG228 Jaw-Jaw Turnbuckles is manufactured with the end fittings quenched and tempered, and the bodies are heat-treated by normalising; the finish is then hot-dip galvanised steel for corrosion resistance and long service life. Sometimes people refer to these as rigging screws.

Key Features

Forged jaw ends are fitted with bolts and nuts for 1/4" through 5/8", and pins and cotters on 3/4" through 2-3/4" sizes.
Modified UNJ thread on end fittings for improved fatigue properties.
Body has UNC threads.
Crosby products meet or exceed all the requirements of ASME B30.26, including identification, ductility, design factor, proof load and temperature requirements. Importantly, Crosby products meet other critical performance requirements, including fatigue life, impact properties and material traceability, not addressed by ASME B30.26.
Lock Nuts available for all sizes
Comprehensive end fitting data available
Crosby turnbuckles are recommended for straight or inline pull only.
Fatigue Rated.
Meets the performance requirements of Federal Specifications FF-T-791b, Type 1 Form 1 - CLASS 7, and ASTM F-1145, except for those provisions required of the contractor.

Metric Dimensions & Specifications

For imperial dimensions and specifications, please see the imperial specifications tab above.

Thread Diameter & Take Up		HG-228 Stock No.	Working Load Limit (t)*	Weight Each (kg)	Dimensions (mm)
(in.)	(mm)	HG-228 Stock No.	Working Load Limit (t)*	Weight Each (kg)	A	B	E - Closed	G	J - Open	K - Closed	M - Open	N - Closed	BB
1/4 x 4	6.35 x 102	† 1032493	0.23	0.17	6.35	11.4	42	16.1	284	183	309	208	103
5/16 x 4-1/2	7.94 x 114	† 1032518	0.36	0.25	7.94	12.7	51.2	22	332	218	359	244	116
3/8 x 6	9.53 x 152	† 1032536	0.54	0.39	9.53	13.5	53.5	21.5	413	260	445	292	155
1/2 x 6	12.7 x 152	1032554	1	0.83	12.7	16.3	81.8	27.1	474	321	512	359	153
1/2 x 9	12.7 x 229	1032572	1	1.04	12.7	16.3	81.3	27.1	633	405	671	443	238
1/2 x 12	12.7 x 305	1032590	1	1.23	12.7	16.3	81.3	27.1	786	481	824	519	314
5/8 x 6	15.9 x 152	1032616	1.59	1.46	15.9	20.1	99.1	33.5	501	349	554	402	153
5/8 x 9	15.9 x 229	1032634	1.59	1.79	15.9	20.1	98.8	33.5	662	434	715	487	239
5/8 x 12	15.9 x 305	1032652	1.59	2.08	15.9	20.1	98.8	33.5	815	510	868	563	315
3/4 x 6	19.1 x 152	1032670	2.36	2.18	19.1	24.6	120	38.5	536	383	601	449	156
3/4 x 9	19.1 x 229	1032698	2.36	2.65	19.1	24.6	119	38.5	698	470	764	535	244
3/4 x 12	19.1 x 305	1032714	2.36	3.05	19.1	24.6	119	38.5	851	546	916	612	320
3/4 x 18	19.1 x 457	1032732	2.36	3.83	19.1	24.6	120	38.5	1155	698	1221	764	471
7/8 x 12	22.2 x 305	1032750	3.27	4.25	22.2	29.5	140	44.8	880	575	956	651	309
7/8 x 18	22.2 x 457	1032778	3.27	5.34	22.2	29.5	140	44.8	1197	740	1272	815	473
1 x 6	25.4 x 152	1032796	4.54	4.74	25.4	34	155	52.1	605	453	690	538	157
1 x 12	25.4 x 305	1032812	4.54	6.25	25.4	34	155	52.1	910	605	995	690	309
1 x 18	25.4 x 457	1032830	4.54	7.77	25.4	34	155	52.1	1215	757	1300	843	462
1 x 24	25.4 x 610	1032858	4.54	9.51	25.4	34	154	52.1	1535	925	1620	1010	631
1-1/4 x 12	31.8 x 305	1032876	6.89	9.94	31.8	46.7	205	71.5	1000	695	1107	802	306
1-1/4 x 18	31.8 x 457	1032894	6.89	11.7	31.8	46.7	205	71.5	1305	848	1412	955	459
1-1/4 x 24	31.8 x 610	1032910	6.89	13.5	31.8	46.7	205	71.5	1624	1014	1731	1121	625
1-1/2 x 12	38.1 x 305	1032938	9.71	14.8	38.1	52.3	227	71.4	1035	731	1160	855	313
1-1/2 x 18	38.1 x 457	1032956	9.71	17.2	38.1	52.3	227	71.4	1340	883	1465	1008	465
1-1/2 x 24	38.1 x 610	1032974	9.71	19.7	38.1	52.3	227	71.4	1661	1051	1786	1176	633
1-3/4 x 18	44.5 x 457	1033018	12.7	24.3	44.5	66	238	85	1355	898	1503	1045	467
1-3/4 x 24	44.5 x 610	1033036	12.7	27.7	44.5	66	238	85	1660	1050	1807	1198	619
2 x 24	51.0 x 610	1033054	16.8	43.7	50.8	66.5	300	95	1769	1159	1949	1339	622
2-1/2 x 24	63.5 x 610	1033072	27.2	75.9	63.5	77.7	337	113	1853	1244	2087	1478	625
2-3/4 x 24	70.0 x 610	1033090	34	90.1	69.9	93.7	379	106	1899	1289	2172	1562	626

*Proof Load is 2.5 times the Working Load Limit. Ultimate Load is 5 times the Working Load Limit.

† Mechanical Galvanised

Imperial Dimensions & Specifications

Dimensional Drawing

Thread Dia. & Take Up (in.)	HG-228 Stock No.	Working Load Limit (lbs.)*	Weight Each (lbs.)	Dimensions (in.)
Thread Dia. & Take Up (in.)	HG-228 Stock No.	Working Load Limit (lbs.)*	Weight Each (lbs.)	A	B	E Closed	G	J Open	K Closed	M Open	N Closed	BB
1/4 x 4	1032493	500	.36	.25	.45	1.58	.62	10.90	6.90	11.90	7.90	4.00
5/16 x 4-1/2	1032518	800	.52	.31	.50	1.98	.87	12.36	8.36	13.90	9.40	4.50
3/8 x 6	1032536	1200	.81	.38	.54	2.12	.87	16.14	10.14	17.38	11.38	6.00
1/2 x 6	1032554	2200	1.56	.50	.55	2.75	1.06	18.50	11.50	20.00	13.00	6.00
1/2 x 9	1032572	2200	1.74	.50	.55	2.75	1.06	24.50	14.50	26.00	16.00	9.00
1/2 x 12	1032590	2200	2.40	.50	.55	2.75	1.06	30.50	17.50	32.00	19.00	12.00
5/8 x 6	1032616	3500	2.72	.63	.82	3.50	1.31	20.05	12.80	22.13	14.88	6.00
5/8 x 9	1032634	3500	3.43	.63	.82	3.50	1.31	26.05	15.80	28.13	17.88	9.00
5/8 x 12	1032652	3500	3.91	.63	.82	3.50	1.31	32.05	18.80	34.13	20.88	12.00
3/4 x 6	1032670	5200	4.11	.75	1.03	4.18	1.50	21.50	14.00	24.10	16.60	6.00
3/4 x 9	1032698	5200	5.46	.75	1.03	4.18	1.50	27.50	17.00	30.10	19.60	9.00
3/4 x 12	1032714	5200	6.56	.75	1.03	4.18	1.50	33.50	20.00	36.10	22.60	12.00
3/4 x 18	1032732	5200	8.03	.75	1.03	4.18	1.50	45.50	26.00	48.10	28.60	18.00
7/8 x 12	1032750	7200	8.17	.88	1.23	4.85	1.75	35.11	21.36	38.07	24.32	12.00
7/8 x 18	1032778	7200	10.78	.88	1.23	4.85	1.75	47.11	27.36	50.07	30.32	18.00
1 x 6	1032796	10000	10.18	1.00	1.31	5.53	2.06	24.72	16.72	28.06	20.06	6.00
1 x 12	1032812	10000	13.14	1.00	1.31	5.53	2.06	36.72	22.72	40.06	26.06	12.00
1 x 18	1032830	10000	15.14	1.00	1.31	5.53	2.06	48.72	28.72	52.06	32.06	18.00
1 x 24	1032858	10000	18.08	1.00	1.31	5.53	2.06	60.72	34.72	64.06	38.06	24.00
1-1/4 x 12	1032876	15200	20.59	1.25	1.86	7.21	2.81	39.84	25.34	44.04	29.54	12.00
1-1/4 x 18	1032894	15200	24.68	1.25	1.86	7.21	2.81	51.84	31.34	56.04	35.54	18.00
1-1/4 x 24	1032910	15200	28.20	1.25	1.86	7.21	2.81	63.84	37.34	68.04	41.54	24.00
1-1/2 x 12	1032938	21400	30.69	1.50	2.25	7.88	2.81	41.50	26.50	46.50	31.50	12.00
1-1/2 x 18	1032956	21400	36.75	1.50	2.25	7.88	2.81	53.50	32.50	58.50	37.50	18.00
1-1/2 x 24	1032974	21400	41.60	1.50	2.25	7.88	2.81	65.50	38.50	70.50	43.50	24.00
1-3/4 x 18	1033018	28000	54.00	1.75	2.60	9.40	3.38	53.38	35.38	59.18	41.18	18.00
1-3/4 x 24	1033036	28000	63.36	1.75	2.60	9.40	3.38	65.38	41.38	71.18	47.18	24.00
2 x 24	1033054	37000	94.25	2.00	2.62	11.86	3.69	69.54	45.54	76.72	52.72	24.00
2-1/2 x 24	1033072	60000	165.00	2.50	3.06	13.56	4.44	72.98	48.98	82.18	58.18	24.00
2-3/4 x 24	1033090	75000	198.00	2.75	3.68	15.22	4.19	74.75	50.75	85.50	61.50	24.00

*Proof Load is 2.5 times the Working Load Limit. Ultimate Load is 5 times the Working Load Limit.

† Mechanical Galvanised

Crosby-catalogue-page-number-165.pdf

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Part N°	Stock No.	Thread Dia x Take Up (in.)	Thread Dia x Take Up (mm)	Working Load Limit (t)*	Weight Each (kg)	Unit Price
2446-T16494 1032493	1032493	1/4 x 4	6.35 x 102	0.23	0.17	Quote Required
2446-T16495 1032518	1032518	5/16 x 4-1/2	7.94 x 114	0.36	0.25	Quote Required
2446-T16496 1032536	1032536	3/8 x 6	9.53 x 152	0.54	0.39	Quote Required
2446-T16497 1032554	1032554	1/2 x 6	12.7 x 152	1	0.83	Quote Required
2446-T16498 1032572	1032572	1/2 x 9	12.7 x 229	1	1.04	Quote Required
2446-T16499 1032590	1032590	1/2 x 12	12.7 x 305	1	1.23	Quote Required
2446-T16500 1032616	1032616	5/8 x 6	15.9 x 152	1.59	1.46	Quote Required
2446-T16501 1032634	1032634	5/8 x 9	15.9 x 229	1.59	1.79	Quote Required
2446-T16502 1032652	1032652	5/8 x 12	15.9 x 305	1.59	2.08	Quote Required
2446-T16503 1032670	1032670	3/4 x 6	19.1 x 152	2.36	2.18	Quote Required
2446-T16504 1032698	1032698	3/4 x 9	19.1 x 229	2.36	2.65	Quote Required
2446-T16505 1032714	1032714	3/4 x 12	19.1 x 305	2.36	3.05	Quote Required
2446-T16506 1032732	1032732	3/4 x 18	19.1 x 457	2.36	3.83	Quote Required
2446-T16507 1032750	1032750	7/8 x 12	22.2 x 305	3.27	4.25	Quote Required
2446-T16508 1032778	1032778	7/8 x 18	22.2 x 457	3.27	5.34	Quote Required
2446-T16509 1032796	1032796	1 x 6	25.4 x 152	4.54	4.74	Quote Required
2446-T16510 1032812	1032812	1 x 12	25.4 x 305	4.54	6.25	Quote Required
2446-T16511 1032830	1032830	1 x 18	25.4 x 457	4.54	7.77	Quote Required
2446-T16512 1032858	1032858	1 x 24	25.4 x 610	4.54	9.51	Quote Required
2446-T16513 1032876	1032876	1-1/4 x 12	31.8 x 305	6.89	9.94	Quote Required
2446-T16514 1032894	1032894	1-1/4 x 18	31.8 x 457	6.89	11.7	Quote Required
2446-T16515 1032910	1032910	1-1/4 x 24	31.8 x 610	6.89	13.5	Quote Required
2446-T16516 1032938	1032938	1-1/2 x 12	38.1 x 305	9.71	14.8	Quote Required
2446-T16517 1032956	1032956	1-1/2 x 18	38.1 x 457	9.71	17.2	Quote Required
2446-T16518 1032974	1032974	1-1/2 x 24	38.1 x 610	9.71	19.7	Quote Required
2446-T16519 1033018	1033018	1-3/4 x 18	44.5 x 457	12.7	24.3	Quote Required
2446-T16520 1033036	1033036	1-3/4 x 24	44.5 x 610	12.7	27.7	Quote Required
2446-T16521 1033054	1033054	2 x 24	51.0 x 610	16.8	43.7	Quote Required
2446-T16522 1033072	1033072	2-1/2 x 24	63.5 x 610	27.2	75.9	Quote Required
2446-T16523 1033090	1033090	2-3/4 x 24	70.0 x 610	34	90.1	Quote Required