Swivel Forerunner

A swivel forerunner is used in combination with an anchor 'D' end shackle and Kenter joining shackle and is a common construction aboard many vessels. The swivel forerunner is used to establish a connection between the anchor and the length of the chain cable or for connection in the chain locker.
Dimensions are not binding and may vary.

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Product Description

Swivel Forerunner

Nominal Specification (d)	d₆	l₆	W6	d₇	d₈	d₉	a3	C	m1	Weight(kg)
11	13	107	52	12	15	37	19	37	22	0.83
12.5	15	121	59	14	18	43	22	42	25	0.94
14	17	136	66	15	20	48	25	47	28	1.05
16	19	155	75	18	22	54	28	54	32	1.34
17.5	21	170	82	19	25	60	31	59	35	1.73
19	23	184	89	21	27	65	33	64	38	2.17
20.5	25	199	96	23	29	70	36	69	41	2.20
22	26	213	103	24	31	75	39	74	44	3.50
24	29	233	113	26	34	82	42	80	48	4.53
26	31	252	122	29	36	88	46	87	52	5.79
28	34	272	132	31	39	95	49	94	56	7.25
30	36	291	141	33	42	102	53	101	60	9.00
32	38	310	150	35	45	109	56	107	64	10.03
34	41	330	160	37	48	116	60	114	68	12.75
36	43	349	169	40	50	122	63	121	72	14.96
38	46	369	179	42	53	129	67	127	76	17.44
40	48	388	188	44	56	136	70	134	80	20.25
42	50	407	197	46	59	143	74	141	84	25.40
44	53	427	207	48	62	150	77	147	88	26.60
46	55	446	216	51	64	156	81	154	92	30.67
48	58	466	226	53	67	163	84	161	96	35.00
50	60	485	235	55	70	170	88	168	100	40.50
52	62	504	244	57	73	177	91	174	104	49.50
54	65	524	254	59	76	184	95	181	108	50.50
56	67	543	263	62	78	190	98	188	112	55.00
58	70	563	273	64	81	197	102	194	116	64.60
60	72	582	282	66	84	204	105	201	120	71.30
62	74	601	291	68	87	211	109	208	124	77.70
64	77	621	301	70	90	218	112	214	128	83.30
66	79	640	310	73	92	224	116	221	132	88.70
68	82	660	320	75	95	231	119	228	136	100.00
70	84	679	329	77	98	236	123	235	140	107.80
73	88	708	343	80	102	248	128	245	146	125.60
76	91	737	357	84	106	258	133	255	152	143.80
78	94	757	367	86	109	265	137	261	156	154.00
81	97	786	381	89	113	275	142	271	162	188.00
84	101	815	395	92	118	286	147	281	168	198.00
87	104	844	409	96	122	296	152	291	174	215.00
90	108	873	423	99	126	306	158	302	180	238.00
92	110	892	432	101	129	313	161	308	184	252.00
95	114	921	447	105	133	323	166	318	190	269.00
97	116	941	456	107	136	330	170	325	194	301.00
100	120	970	470	110	140	340	175	335	200	330.00
102	122	989	479	112	143	347	179	342	204	344.00
105	126	1018	494	116	147	357	184	352	210	387.00
107	128	1038	503	118	150	364	187	358	214	428.00
111	133	1077	522	122	155	377	194	372	222	448.00
114	137	1106	536	125	160	388	200	382	228	460.00
117	140	1135	550	129	164	398	205	392	234	475.00
120	144	1164	564	132	168	408	210	402	240	547.00
122	146	1183	573	134	171	415	214	409	244	649.00
124	149	1203	583	136	174	422	217	415	248	680.00
127	152	1232	597	140	178	432	222	425	254	729.00
130	156	1261	611	143	182	442	228	436	260	784.00
132	158	1280	620	145	185	449	231	442	264	820.00
137	164	1329	644	151	192	466	240	459	274	912.00
142	170	1377	667	156	199	483	249	476	284	1012.00
147	176	1426	691	162	206	500	257	492	294	1124.00
152	182	1474	714	167	213	517	266	509	304	1238.00
157	188	1523	738	173	220	534	275	526	314	1360.00
162	194	1571	761	178	227	551	284	543	324	1490.00