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

Metric 20B Pilot Bore Stainless Steel Sprockets

BS 20B pilot bore sprockets are designed for use in light industry and can be used to drive or lift or transport materials.

Material	Stainless 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 20B Pilot Bore Stainless Steel Sprocket

CTS® Metric 20B-1 pilot bore stainless steel sprockets are ISO-compliant, ensuring compatibility and durability for industrial use. Our Metric pilot bore sprockets are high-precision power transmission components with accurate teeth and bore.

For a quote or more information on industrial chain sprockets, please contact us and we will be happy to assist 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 20B pilot bore sprocket dimension chart

Metric 20B Pilot Bore Stainless Steel Sprocket Dimension

SPROCKETS 1"1/4 × 3/4"

For Chain Acc. to DIN 8187

ISO/R 606

Metric 20B pilot bore sprocket teeth dimension chart

Tooth radius r3	32 mm
Radius width C	3.5 mm
Tooth width B1	18.5 mm

Part No.	No. Teeth	Outside Dia.（de）	Pitch Dia.（dp）	Hub Dia.（dm）	Bore Dia.（D1）	LTB（A）	Weight（Lbs.）
20B8	8	98.1	82.96	53	20	40	0.92
20B9	9	108.0	92.84	63	20	40	1.19
20B10	10	117.9	102.74	70	20	40	1.51
20B11	11	127.8	112.68	77	20	45	2.04
20B12	12	137.8	122.68	88	20	45	2.58
20B13	13	147.8	132.65	98	20	45	3.15
20B14	14	157.8	142.68	108	20	45	3.78
20B15	15	167.9	152.72	118	20	45	4.47
20B16	16	177.9	162.75	120	20	50	5.28
20B17	17	187.9	172.78	120	25	50	5.64
20B18	18	198.0	182.85	120	25	50	6.01
20B19	19	208.1	192.91	120	25	50	6.55
20B20	20	218.1	202.98	120	25	50	6.98
20B21	21	228.2	213.04	140	25	55	8.64
20B22	22	238.3	223.11	140	25	55	9.11
20B23	23	248.3	233.17	140	25	55	9.60
20B24	24	258.4	243.23	140	25	55	10.31
20B25	25	268.5	253.33	140	25	55	10.85
20B26	26	278.6	263.40	*150	25	55	11.90
20B27	27	288.6	273.49	*150	25	55	12.48
20B28	28	298.7	283.56	*150	25	55	13.08
20B29	29	308.8	293.65	*150	25	55	13.71
20B30	30	318.9	303.75	*150	25	55	14.36
20B31	31	329.0	313.85	*150	25	55	15.02
20B32	32	339.1	323.91	*150	25	55	15.71
20B33	33	349.2	334.01	*150	25	55	16.42
20B34	34	359.3	344.10	*150	25	55	17.94
20B35	35	369.4	354.20	*150	25	55	18.72
20B36	36	379.5	364.30	*150	25	55	19.53
20B37	37	389.5	374.39	*150	25	55	20.35
20B38	38	399.6	384.49	*150	25	55	21.20
20B39	39	409.7	394.59	*150	25	55	22.07
20B40	40	419.8	404.69	*150	25	55	22.97
20B41	41	429.9	414.77	*150	25	70	25.49
20B42	42	440.0	424.86	*150	25	70	26.43
20B43	43	450.1	434.96	*150	25	70	27.38
20B44	44	460.2	445.06	*150	25	70	28.36
20B45	45	470.3	455.17	*150	25	70	29.36
20B46	46	480.4	465.25	*150	25	70	30.38
20B47	47	490.5	475.35	*150	25	70	31.43
20B48	48	500.6	485.45	*150	25	70	32.49
20B49	49	510.7	495.55	*150	25	70	33.58
20B50	50	520.8	505.65	*150	25	70	34.68
20B51	51	530.9	515.75	*150	25	80	36.89
20B52	52	541.0	525.85	*150	25	80	38.04
20B53	53	551.1	535.95	*150	25	80	39.21
20B54	54	561.2	546.05	*150	25	80	40.40
20B55	55	571.3	556.15	*150	25	80	41.62
20B56	56	581.4	566.25	*150	25	80	42.85
20B57	57	591.5	576.35	*150	25	80	44.11
20B58	58	601.6	586.45	*150	25	80	45.39
20B59	59	611.7	596.56	*150	25	80	46.69
20B60	60	621.8	606.66	*150	25	80	48.01
20B62	62	642.0	626.86	*150	25	80	50.72
20B64	64	662.2	647.07	*150	25	80	53.51
20B65	65	672.3	657.17	*150	25	80	54.94
20B66	66	682.4	667.27	*150	25	80	56.39
20B68	68	702.6	687.48	*150	25	80	59.35
20B70	70	722.8	707.68	*150	25	80	62.40
20B72	72	743.1	727.89	*150	25	80	65.55
20B75	75	773.3	758.20	*150	25	80	70.40
20B76	76	783.5	768.32	*150	25	80	72.08
20B80	80	823.9	808.71	*150	25	80	78.96
20B85	85	874.4	859.23	*150	25	90	89.10
20B90	90	924.9	909.76	*150	25	90	98.71
20B95	95	975.2	960.28	*150	25	90	108.81
20B100	100	1026.0	1010.80	*150	25	90	119.56
20B114	114	1167.4	1152.26	*150	25	90	152.32