Croch contact chains

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GB Chain No.	Pith	Chain Width	Pin diameter	Pin length	Distance from hole centre to tooth	plate depth	Guide form	Number of plaies	Ultimate tensile strength	Weight per meter
	P	B min	d2 max	L max	h1	h2max		N	Q min	q
	mm	mm	mm	mm	mm	mm		N	kN/lbf	kg/m
C4-120		19.5		24.5			Inside	13	20.0	1.20
C4-123		22.5		27.5			Inside	15	23.0	1.37
C4-129		28.5		33.5			Inside	19	28.5	1.72
C4-132		31.5		36.5			Inside	21	31.5	1.89
C4-138		37.5		42.5			Inside	25	38.0	2.22
C4-150		49.5		54.5			Inside	33	50.0	2.90
C4-166		65.5		71.5			Inside	43	65.0	3.78
C4-169		68.5		74.5			Inside	45	74.0	3.93
C4-178		78.0		84.0			Inside	51	77.0	4.50
C4-181		81.0		87.0			Inside	53	80.0	4.70
C4-320		19.5		24.5			Outside	13	20.0	1.21
C4-323		22.5		27.5			Outside	15	23.0	1.38
C4-329	12.7	28.5	5.08	33.5	6.62	12.1	Outside	19	28.5	1.73
C4-332		31.5		36.5			Outside	21	31.5	1.90
C4-338		37.5		42.5			Outside	25	29.0	2.23
C4-343		43.0		49.0			Outside	28	42.5	2.51
C4-345		44.5		50.5			Outside	29	44.0	2.58
C4-349		49.0		55.0			Outside	32	48.5	2.84
C4-351		50.0		56.4			Outside	33	50.0	2.94
C4-355		55.0		61.0			Outside	26	54.5	3.17
C4-361		61.0		67.0			Outside	40	60.5	3.53
C4-366		65.5		71.5			Outside	43	65.0	3.78
C4-369		68.5		74.5			Outside	45	68.0	3.93
C4-378		78.0		84.0			Outside	51	77.0	4.50
C4-381		81.0		87.0			Outside	53	80.0	4.70
C4-3104		103.5		109.5			Outside	68	102.5	6.00