Showa Kikai Shoji Shackle And Connector

Made in Japan
Manufacturer: Showa Kikai Shoji

Heavy-duty shackle

The SKS heavy-duty shackle is a high-quality product carefully forged from structural steel and subjected to heat treatment (quenching and tempering). It excels in both strength and wear resistance, ensuring exceptional safety.

Heavy-duty shackle dimension table (SB)

Items marked with a V will be classified as V-grade specifications (internal standard). Items without this marking will also transition to V-grade once the existing stock is depleted.

Type	W.L. L(t)	t	d	B	D	d1	L1	d3	Thread d2	d4		S	g	h	h1	B2	Split pin hole d5	Mass (kg)
10V	1.25	10	10	17	25	13	40	12	M12	9	52	10	6	8	7	19	3	0.15
12V	2.5	12	12	20	32	15	48	14	M14	9	64	12	10	9	8	22	3	0.31
14V	3.15	14	14	24	36	18	56	16	M16	12	71	14	7	10	10	24	4	0.49
16V	4	16	16	26	40	20	64	19	M18	14	80	15	9	12	11	27	4	0.74
18V	5	18	18	29	45	22	72	20	M20	15	88	16	9	13	12	30	4	1.23
20V	6.3	20	20	31	50	25	80	24	M24	17	97	18	10	13	14	36	5	1.33
22V	7	22	22	34	55	27	88	26	M24	17	105	18	10	13	14	36	5	1.53
24V	8	24	24	39	62	31	96	30	M30	22	120	23	12	16	18	46	6	1.74
26V	10	26	26	41	66	33	104	32	M30	22	126	23	12	16	18	46	6	2.48
28V	12.5	28	28	43	70	35	112	34	M33	22	134	25	12	16	20	50	6	3.49
30V	14	30	30	45	75	37	120	36	M36	27	141	27	12	19	21	55	6	4.60
32V	16	32	32	48	80	39	128	38	M36	27	151	27	12	19	21	55	6	6.18
34V	18	34	34	50	85	41	136	40	M39	27	160	29	12	19	23	60	6	7.61
36V	20	36	36	54	90	43	144	42	M42	32	170	32	15	23	25	65	8	9.35
38V	23	38	38	57	95	47	152	46	M45	32	179	34	15	23	27	70	8	10.98
40V	25	40	40	60	100	49	160	48	M48	38	188	37	15	26	29	75	8	12.15
42V	27	42	42	63	105	53	168	51	M48	38	195	37	15	26	29	75	8	14.27
44V	31.5	44	44	66	110	56	176	54	M48	38	202	37	15	26	29	75	8	16.11
46V	32	46	46	68	115	58	184	56	M48	38	208	37	15	26	29	75	8	18.19
48V	35	48	48	72	120	60	192	58	M56	46	225	44	18	31	34	85	10	20.14
50V	40	50	50	75	125	62	200	60	M56	46	232	44	18	31	34	85	10	21.88
55V	45	55	55	83	138	67	220	65	M64	52	255	48	19	34	38	95	10	29.50
60V	50	60	60	90	150	72	240	70	M64	52	272	48	19	34	38	95	10	41.24
65V	63	65	65	98	164	79	260	77	M72	64	294	52	19	38	42	105	10	50.75
70	48	70	70	105	178	85	280	83	M80	68	317	58	19	43	48	115	10	60.41
75	55	75	75	112	192	92	300	90	M80	68	335	58	19	43	48	115	10	76.76
80	62	80	80	120	206	98	320	96	M90	80	361	65	21	48	54	130	10	93.19
85	69	85	85	128	220	104	340	102	M90	80	379	65	21	48	54	130	10	112.48
90	76	90	90	135	232	110	360	108	M100	90	402	72	21	54	60	145	10	131.73
Type	W.L. L(t)	t	d	B	D	d1	L1	d3	Thread d2	d4		S	g	h	h1	B2	Split pin hole d5	Mass (kg)

Lightweight shackle

RS shackle body
RB shackle body
Lightweight shackle and comparison with JIS B2801 shackle (used with a safety factor of 10 in this case)

Model	Type	W.L.L(t)	t	d	B	R	D	Hole diameter	L1	L2	Applicable bolt	d3	Mass (kg)
RS	10	10	30	30	65		75	38	160		M36	36	5.5
	16	16	38	38	80		95	44	205		M42	42	9.6
	20	20	42	42	90		105	50	230		M48	48	14.1
	25	25	50	50	100		120	58	255		M56	56	21.1
	32	32	60	60	115		135	66	290		M64	64	35.0
	40	40	65	65	125		150	74	320		M72×6	72	46.5
	50	50	70	70	140		170	82	360		M80×6	80	63.4
	63	63	80	80	160		190	92	405		M90×6	90	91
	80	80	90	90	180		210	102	455		M100×6	100	132
	100	100	105	105	200		235	112	510		M110×6	110	187
RB	10	10	30	36	65	60	80	38		210	M36	36	7.4
	16	16	38	44	80	75	100	44		270	M42	42	14.0
	20	20	42	55	90	85	110	50		300	M48	48	21.8
	25	25	50	65	100	95	125	58		335	M56	56	33.0
	32	32	60	70	115	110	140	66		380	M64	64	47.8
	40	40	65	80	125	120	160	74		425	M72×6	72	67.6
	50	50	70	90	140	135	180	82		475	M80×6	80	94
	63	63	80	100	160	150	200	92		530	M90×6	90	131
	80	80	90	115	180	170	225	102		600	M100×6	100	193
	100	100	105	125	200	190	250	112		670	M110×6	110	259