TWN 1821
Oversized Master Link Assemblies for 1-leg Chain Slings for Single Crane Hooks DIN 15401 (16 t, 25 t, 40 t)

The Grade 100 oversized master link assemblies TWN 1821 are used to assemble 1-leg chain slings and are used with big crane hooks according to DIN 15401. The dimensions comply with DIN 5688-3. The intermediate links enable the use of connecting links, e.g. XL-LOKs TWN1820.

The manufacturing and testing requirements comply with the ASTM A952/A952M, ISO 8539 and DIN EN 1677 parts 1 and 4, under consideration of Grade 100 working load limits.

Oversized Master Link Assemblies for 1-leg Chain Slings for Single Crane Hooks DIN 15401 (16 t, 25 t, 40 t)

Properties

Trade Size	Article-No.	Working Load Limit [lbs]	Dimensions [inch]							Suitable for Crane Hooks acc. DIN 15401 [No.]	Weight app. [lbs]
Trade Size	Article-No.	Working Load Limit [lbs]	e	d₁	t₁	b₁	d₂	t₂	b₂	Suitable for Crane Hooks acc. DIN 15401 [No.]	Weight app. [lbs]
1/4"*	F18210616	6,900	13	0.71	10.24	5.51	0.51	2.36	1.18	16	3.68
1/4"	F18210625	7,400	16	0.79	13.39	7.09	0.51	2.36	1.18	25	5.60
1/4"*	F18210640	8,000	19	0.87	16.93	8.66	0.51	2.36	1.18	40	8.21
5/16"*	F18210816	12,600	13	0.87	10.24	5.51	0.63	2.76	1.38	16	5.73
5/16"*	F18210825	7,400	16	0.79	13.39	7.09	0.51	2.36	1.18	25	5.60
5/16"*	F18210840	8,000	19	0.87	16.93	8.66	0.51	2.36	1.18	40	8.21
3/8"*	F18211016	12,600	13	0.87	10.24	5.51	0.63	2.76	1.38	16	5.73
3/8"*	F18211025	12,700	16	0.94	13.39	7.09	0.63	2.76	1.38	25	8.32
3/8"*	F18211040	13,200	20	1.02	16.93	8.66	0.63	2.76	1.38	40	11.76
1/2"* ¹⁾	F18211316 ¹⁾	20,800	10	1.02	10.24	5.51				16	7.00
1/2"*	F18211325	19,400	16	1.10	16.93	7.09	0.63	2.76	1.38	25	11.17
1/2"*	F18211340	19,400	20	1.18	16.93	8.66	0.63	2.76	1.38	40	15.55
5/8"* ¹⁾	F18211616 ¹⁾	31,900	10	1.18	10.24	5.51				16	9.47
5/8"*	F18211625	29,400	17	1.26	13.39	7.09	0.79	3.54	1.77	25	15.32
5/8"*	F18211640	29,400	20	1.34	16.93	8.66	0.79	3.54	1.77	40	20.74
11/16"*	F18211816	48,500	15	1.42	9.84	5.51	1.02	4.72	2.36	16	17.20
11/16"*	F18211825	35,300	17	1.57	13.39	7.09	0.87	3.94	1.97	25	24.14
11/16"*	F18211840	35,300	21	1.65	16.93	8.66	0.87	3.94	1.97	40	31.95
3/4"* ¹⁾	F18212025 ¹⁾	58,900	13	1.57	13.39	7.09				25	21.99
3/4"* ¹⁾	F18212040 ¹⁾	55,700	17	1.65	16.93	8.66				40	29.81
7/8"* ¹⁾	F18212225 ¹⁾	58,900	13	1.57	13.39	7.09				25	21.99
7/8"* ¹⁾	F18212226 ¹⁾	55,700	17	1.65	16.93	8.66				40	29.81
*Upon request. Minimum order quantities may apply. ¹⁾This link is delivered without sub-link.