Shackles

NICHIMO Tough-S

SQUARE HEAD SHACKLE

Item No.	Dimension					Safe Working Load	Weight
	d	d1	B	L1	D	Safe Working Load	Weight
	(mm)	(mm)	(mm)	(mm)	(mm)	(metreic tons)	(kg)
S1-9S	19	22	36	63	43	3.0	0.9
S2-2S	22	25	45	85	51	5.0	1.3
S2-5S	25	28	45	90	57	7.0	1.9
S2-8S	28	32	50	95	65	10.0	2.6
S3-2S	32	36	50	100	73	12.0	3.7
S3-5S	36	38	55	110	78	15.0	4.9
S3-8S	38	42	60	120	88	20.0	6.0
S4-1S	42	46	60	125	90	25.0	8.0

QUICK SHACKLE (Big Thread Shackle)

Item No.	d	d1	Dimension		D	Safe Working Load	Weight
	d	d1	B	L1	D	Safe Working Load	Weight
	(mm)	(mm)	(mm)	(mm)	(mm)	(metreic tons)	(kg)
S2-5T	25	28	45	90	57	7.0	1.9
S2-8T	28	32	45	90	65	10.0	2.6
S3-2T	32	36	50	100	73	12.0	3.7
S3-5T	36	38	55	110	78	15.0	4.9
S3-8T	38	42	60	120	88	20.0	6.0
S4-1T	42	46	60	125	90	25.0	8.0
S4-5T	46	48	65	136	95	27.0	10.5

Difference between Square Head Shackle and Quick Shackle

They look almost identical at a glance, but their screw pitches are different.
Square head shackles have a smaller pitch, which is good for solid tightening. They are often used in applications that do not require frequent removal of shackles.
Quick Shackles have a larger pitch. It allows speedy fastening and unfastening of the screws, and shortens the time to remove the shackles. They are often used in applications that require frequent removal of shackles.

BOW TYPE SHACKLE

Item No.	Dimension						Safe Working Load	Weight
	d	d1	B	B1	L1	D	Safe Working Load	Weight
	(mm)	(mm)	(mm)	(mm)	(mm)	(mm)	(metreic tons)	(kg)
S2-5B	25	28	45	70	95	57	6.0	2.0
S2-8B	28	32	52	80	110	65	8.0	2.9
S3-2B	32	36	57	90	120	73	10.0	4.5
S3-5B	36	38	62	100	135	78	12.0	5.8
S3-8B	38	42	67	110	145	88	15.0	6.8
S4-1B	42	46	72	115	155	90	18.0	9.0
S4-5B	46	48	77	120	170	95	20.0	11.8

RS SHACKLE

Item No.	Dimension				Safe Working Load	Weight
	d	d1	B	L	Safe Working Load	Weight
	(mm)	(mm)	(mm)	(mm)	(metric tons)	(kg)
S2-8RS	28	32	50	95	10.0	2.9
S3-2RS	32	35	50	100	12.0	4.0
S3-5RS	35	38	55	110	15.0	5.0

BB SHACKLE

Item No.	Dimension						Nut Size	Safe Working Load	Weight
	d	d1	B	B1	L	D	Nut Size	Safe Working Load	Weight
	(mm)	(mm)	(mm)	(mm)	(mm)	(mm)	(mm)	(metric tons)	(kg)
S4-1BB	41	46	72	115	178	90	M45	18.0	9.6
S4-5BB	45	48	77	120	194	95	M48	20.0	12.6
S5-0BB	50	55	77	130	202	116	M52	22.0	17.5
S5-5BB	55	60	80	135	225	125	M60	25.0	25.0
S6-0BB	60	70	90	150	275	150	M64	30.0	30.0

Trawls

Hardware
[Tough-S Series]

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