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Home / All / Sprockets / Metric Roller Chain Sprockets / ISO 20B Sprockets /

Metric 20A-3 Plate Wheel Sprockets

Metric 20A-3 duplex plate wheel sprocket are suitable for all roller chains according to B series.

Material	Carbon Steel
Color	Natural
Surface Treatment	Blackening/Galvanizing/Phosphating
Accuracy	Precision teeth for optimum performance
Quality	Superior Metric Sprocket
Interchangeability	Directly interchangeable with other brands

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Detail Information

About Metric 20A Triplex Plate Wheel Sprocket

CTS® Metric 20A triple strand sprockets are strong, precise performance for industrial equipment. Our industrial sprockets meet ISO standards, ensuring reliability and roller chains compatibility. Triple-strand plate wheel sprockets boost strength and efficiency, perfect for tough industrial uses.

For quotation or other information about chain sprockets, please contact us and we will be happy to help you.

Quality Assurance:

ISO9001: 2015 and GB/T24001-2016 / ISO14001: 2015.

Features

High-precision Sprocket
Durable Sprocket
Directly interchangeable with other brands
OEM Sprocket

Metric 20A-3 plate wheel sprocket dimension chart

Metric 20A-3 Plate Wheel Sprocket Technical Data

SPROCKETS 1"1/4 × 3/4"

For Chain Acc. to DIN 8187

ISO/R 606

Metric 20A-3 plate wheel sprocket teeth dimension chart

Tooth radius r3	32 mm
Radius width C	3.5 mm
Tooth width b1	18.2 mm
Tooth width B2	54.6 mm
Tooth width B3	91 mm

Part No.	No. Teeth	Outside Dia.（de）	Pitch Dia.（dp）	Bore Dia.（D3）	Weight（Lbs.）
20A-3-8	8	98.1	82.96	20	2.02
20A-3-9	9	108.0	92.84	20	2.79
20A-3-12	10	117.9	102.74	20	3.77
20A-3-11	11	127.8	112.68	20	4.53
20A-3-12	12	137.8	122.68	20	5.64
20A-3-13	13	147.8	132.65	20	7.23
20A-3-14	14	157.8	142.68	20	8.20
20A-3-15	15	167.9	152.72	20	9.65
20A-3-16	16	177.9	162.75	25	11.07
20A-3-17	17	187.9	172.78	25	12.75
20A-3-18	18	198.0	182.85	25	14.54
20A-3-19	19	208.1	192.91	25	16.45
20A-3-20	20	218.1	202.98	25	18.47
20A-3-21	21	228.2	213.04	25	20.62
20A-3-22	22	238.3	223.11	25	22.87
20A-3-23	23	248.3	233.17	25	25.24
20A-3-24	24	258.4	243.23	25	27.72
20A-3-25	25	268.5	253.33	25	30.32
20A-3-26	26	278.6	263.40	25	33.03
20A-3-27	27	288.6	273.49	25	35.86
20A-3-28	28	298.7	283.56	25	38.80
20A-3-29	29	308.8	293.65	25	42.30
20A-3-30	30	318.9	303.75	25	45.11
20A-3-31	31	329.0	313.85	30	48.62
20A-3-32	32	339.1	323.91	30	51.65
20A-3-33	33	349.2	334.01	30	55.46
20A-3-34	34	359.3	344.10	30	58.71
20A-3-35	35	369.4	354.20	30	62.83
20A-3-36	36	379.5	364.30	30	66.31
20A-3-37	37	389.5	374.39	30	70.70
20A-3-38	38	399.6	384.49	30	74.41
20A-3-39	39	409.7	394.59	30	79.17
20A-3-40	40	419.8	404.69	30	83.12
20A-3-41	41	429.9	414.77	30	88.20
20A-3-42	42	440.0	424.86	40	92.40
20A-3-43	43	450.1	434.96	40	96.69
20A-3-44	44	460.2	445.06	40	101.07
20A-3-45	45	470.3	455.17	40	105.56
20A-3-46	46	480.4	465.25	40	112.73
20A-3-47	47	490.5	475.35	40	117.52
20A-3-48	48	500.6	485.45	40	122.41
20A-3-49	49	510.7	495.55	40	127.40
20A-3-50	50	520.8	505.65	40	132.49
20A-3-51	51	530.9	515.75	40	139.26
20A-3-52	52	541.0	525.85	40	144.61
20A-3-53	53	551.1	535.95	40	150.06
20A-3-54	54	561.2	546.05	40	155.61
20A-3-55	55	571.3	556.15	40	161.26
20A-3-56	56	581.4	566.25	40	168.91
20A-3-57	57	591.5	576.35	40	174.83
20A-3-58	58	601.6	586.45	40	180.86
20A-3-59	59	611.7	596.56	40	186.98
20A-3-60	60	621.8	606.66	40	193.20
20A-3-62	62	642.0	626.86	40	208.28
20A-3-64	64	662.2	647.07	40	221.59
20A-3-65	65	672.3	657.17	40	228.40
20A-3-66	66	682.4	667.27	40	235.31
20A-3-68	68	702.6	687.48	40	249.45
20A-3-70	70	722.8	707.68	40	265.47
20A-3-72	72	743.1	727.89	40	285.24
20A-3-75	75	773.3	758.20	40	305.54
20A-3-76	76	783.5	768.32	40	313.65
20A-3-80	80	823.9	808.71	40	350.64
20A-3-85	85	874.4	859.23	40	394.94
20A-3-90	90	924.9	909.76	40	441.88
20A-3-95	95	975.2	960.28	40	491.25
20A-3-100	100	1026.0	1010.80	40	543.76
20A-3-114	114	1167.4	1152.26	40	703.97