NACM2003 Standard Link Chain High Test Chain NACM2003 (G43)
Trade Size		Material  Diameter		Working Load Limit		Proof Test		Breaking Force Min		Inside Length		Inside Width
MM	IN	IN	MM	LBS	KG	LBS	KN	LBS	KN	IN	MM	IN	MM
7	1/4	0.276	7	2600	1180	3900	17.3	7800	34.6	0.38	31.5	0.38	9.8
8.7	5/16	0.343	8.7	3900	1770	5850	26	11700	52	0.44	32.8	0.44	11.2
10	3/8	0.406	10.3	5400	2450	8100	36	16200	72	0.55	35	0.55	14
11.9	7/16	0.468	11.9	7200	3270	10800	48	21600	96	0.65	41.6	0.65	16.6
13	1/2	0.531	13.5	9200	4170	13800	61.3	27600	122.6	0.72	45.5	0.72	18.2
16	5/8	0.63	16	13000	5910	19500	86.5	3900	173	0.79	56	0.79	20
20	3/4	0.787	20	20200	9180	30300	134.7	60600	269.4	0.98	70	0.98	25
22	7/8	0.866	22	24500	11140	36750	163.3	73500	326.6	1.08	77	1.08	27.5