TYC BS 20B, 24B & 32B to ISO 606

Chain no.	Pitch x Width (PxE)		Roller	Pin				Links					Trans- verse pitch	Avg. Ulti. Tensile Strength	Approx. weight	Conn. links
	Pitch x Width (PxE)		D1	C	B1	B2	D2	T1	T2	H	F1	F2	k	Avg. Ulti. Tensile Strength	Approx. weight	Conn. links
	inch	mm	mm	mm	mm	mm	mm	mm	mm	mm	mm	mm	mm	kgf	kg/m
Q20B-1	1 1/4 x 0.77	31.75 x19.56	19.05	19.95	–	24.25	10.19	3.18	4.46	29.01	26.40	26.40	–	10000	3.62	BDEFG
Q20B-2	1 1/4 x 0.77	31.75 x19.56	19.05	37.90	–	42.40	10.19	3.18	4.46	29.01	26.40	26.40	36.45	20000	7.16	BDEFG
Q20B-3	1 1/4 x 0.77	31.75 x19.56	19.05	56.25	–	61.25	10.19	3.18	4.46	29.01	26.40	26.40	36.45	30000	10.75	BDEFG
Q24B-1	1 1/2 x 1	38.10 x 25.40	25.40	26.90	–	31.89	14.63	4.80	5.57	37.92	33.40	33.40	–	16700	6.65	BDEFG
Q24B-2	1 1/2 x 1	38.10 x 25.40	25.40	50.50	–	56.34	14.63	4.80	5.57	37.92	33.40	33.40	48.36	29200	13.19	BDEFG
Q24B-3	1 1/2 x 1	38.10 x 25.40	25.40	75.00	–	80.34	14.63	4.80	5.57	37.92	33.40	33.40	48.36	44300	19.69	BDEFG
Q32B-1	2.00 x1.22	50.8 x 30.99	29.21	33.70	–	39.50	17.85	6.00	7.00	45.5	42.2	42.2	–	26000	9.80	BDEFG
Q32B-2	2.00 x1.22	50.8 x 30.99	29.21	63.00	–	68.50	17.85	6.00	7.00	45.5	42.2	42.2	58.55	52000	19.30	BDEFG
Q32B-3	2.00 x1.22	50.8 x 30.99	29.21	92.00	–	97.50	17.85	6.00	7.00	45.5	42.2	42.2	58.55	78000	28.90	BDEFG

Connecting links

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