Inconel 718 Eyebolts to BS 4278 Collar Eyebolt

BS 4278 Collar EyeBolt Dimensions

Safe working load (axial)	Metric thread dia.	B = 1.5E	C = E	D = 0.5E	E^a	F = 0.6E	G = 1.33E	H = 1.17E	J	K = 0.17E	L = 0.6E
tonnes	mm	mm	mm	mm	mm	mm	mm	mm	mm	mm	mm
0.4	12	22	15	7	15	9	20	18	1	3	9
0.8	16	29	20	10	20	12	26	23	1	3	12
1.6	20	40	27	14	27	16	36	32	1	5	16
2.5	24	52	35	17	35	21	46	40	2	6	21
4.0	30	65	44	22	44	26	58	51	2	7	26
6.3	36	81	54	27	54	32	72	63	3	9	32
8.0	42	90	60	30	60	36	80	70	3	10	36
10.0	48	101	68	34	68	40	90	79	3	11	40
12.5	52	115	76	38	76	46	102	89	3	13	46
16.0	56	128	86	43	86	51	114	100	4	14	51
20.0	64	144	96	48	96	58	128	112	4	16	58
25.0	72	162	108	54	108	65	144	126	4	18	65
NOTE: Dimension K is to be regarded as a minimum and may be increased to2.5 times the thread pitch in order to facilitate die head screwing.

Safe working load (axial)^b	Imperial thread diameter BSW or UNC	B = 1.5E	C = E	D = 0.5E	E^a	F = 0.6E	G = 1.33E	H = 1.17E	J	K = 0.17E	L = 0.6E
tonnes	in	mm	mm	mm	mm	mm	mm	mm	mm	mm	mm
0.25	3/8	22	15	7	15	9	20	18	1	3	9
0.5	1/2	29	20	10	20	12	26	23	1	3	12
0.9	5/8	36	24	12	24	14	32	28	1	4	14
1.4	3/4	45	30	15	30	18	40	35	1	5	18
2.0	7/8	52	35	17	35	21	46	40	2	6	21
2.75	1	58	39	20	39	23	52	46	2	7	23
3.5	1/ ^1/8	65	44	22	44	26	58	51	2	7	26
4.5	1/ ^1/4	72	48	24	48	29	64	56	3	8	29
6.5	1/ ^1/2	86	57	29	57	33	76	67	3	9	33
9.0	1/ ^3/4	101	68	34	68	40	90	79	3	11	40
12.0	2	115	76	38	76	46	102	89	3	13	46
15.0	2/ ^1/4	128	86	43	86	51	114	100	4	14	51
20.0	2/ ^1/2	144	96	48	96	58	128	112	4	16	58
30.0	3	172	114	57	114	67	153	133	4	19	67
NOTE: Dimension K is to be regarded as a minimum and may be increased to2.5 times the thread pitch in order to facilitate die head screwing.