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Home / All / Sprockets / Metric Roller Chain Sprockets / ISO 12B Sprockets /

Metric 12B-2 Pilot Bore Sprockets

BS 12B-2 pilot bore sprockets are designed for use in light industry and can be used to drive or lift or transport materials.

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 12B Duplex Pilot Bore Sprocket

Our 12B-2 roller chain sprockets are manufactured for metric 12B-2 roller chains to ISO and DIN standards. CTS® industrial sprockets are precision manufactured from high quality steel, and can replace the industrial sprockets of other well-known brand manufacturers. As well, we can also provide customized sprockets, so you can always find the chain sprockets products you need at CTS®.

If you don't find the exact sprockets you need, you can seek help from our technicians.

To get a quote on 12B-2 roller chain sprockets or for more information, 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 12B-2 Pilot Bore Sprocket Dimension

SPROCKETS 3/4" × 7/16"

For Chain Acc. to DIN 8187

ISO/R 606

Metric 12B-2 pilot bore sprocket teeth dimension chart

Tooth radius r3	19 mm
Radius width C	2 mm
Tooth width b1	10.8 mm
Tooth width B2	30.3 mm

Part No.	No. Teeth	Outside Dia.（de）	Pitch Dia.（dp）	Hub Dia.（dm）	Bore Dia.（D2）	LTB（A）	Weight（Lbs.）
12B-2-8	8	57.6	49.78	31	12	45	0.31
12B-2-9	9	62.0	55.70	37	12	45	0.44
12B-2-10	10	69.0	61.64	42	12	45	0.59
12B-2-11	11	75.0	67.61	47	16	50	0.81
12B-2-12	12	81.5	73.61	53	16	50	1.02
12B-2-13	13	87.5	79.59	59	16	50	1.25
12B-2-14	14	93.6	85.61	65	16	50	1.46
12B-2-15	15	99.8	91.63	71	16	50	1.74
12B-2-16	16	105.5	97.65	77	20	50	2.03
12B-2-17	17	111.5	103.67	83	20	50	2.36
12B-2-18	18	118.0	109.71	89	20	50	2.70
12B-2-19	19	124.2	115.75	95	20	50	3.07
12B-2-20	20	129.7	121.78	100	20	50	3.43
12B-2-21	21	136.0	127.82	100	20	50	3.69
12B-2-22	22	141.8	133.86	100	20	50	3.97
12B-2-23	23	149.0	139.90	110	20	50	4.51
12B-2-24	24	153.9	145.94	110	20	50	4.81
12B-2-25	25	160.0	152.00	120	20	50	5.41
12B-2-26	26	165.9	158.04	120	20	50	5.73
12B-2-27	27	172.3	164.09	120	20	50	6.08
12B-2-28	28	178.0	170.13	120	20	50	6.43
12B-2-29	29	184.1	176.19	120	20	50	6.80
12B-2-30	30	190.5	182.25	120	20	50	7.19
12B-2-31	31	196.3	188.31	120	20	50	7.59
12B-2-32	32	203.3	194.35	120	20	50	8.00
12B-2-33	33	209.3	200.40	120	20	50	8.31
12B-2-34	34	214.6	206.46	120	20	50	8.86
12B-2-35	35	221.0	212.52	120	20	50	9.31
12B-2-36	36	226.8	218.58	120	25	50	9.71
12B-2-37	37	232.9	224.64	120	25	50	10.19
12B-2-38	38	239.0	230.69	120	25	50	10.78
12B-2-39	39	245.1	236.75	120	25	50	11.19
12B-2-40	40	251.3	242.81	120	25	50	11.71
12B-2-41	41	257.3	248.86	*136	25	62	13.90
12B-2-42	42	264.5	254.92	*136	25	62	14.51
12B-2-43	43	270.5	260.98	*136	25	62	15.03
12B-2-44	44	276.5	267.03	*136	25	62	15.57
12B-2-45	45	282.5	273.09	*136	25	62	16.11
12B-2-46	46	287.9	279.15	*136	25	62	16.61
12B-2-47	47	294.0	285.21	*136	25	62	17.19
12B-2-48	48	300.1	291.27	*136	25	62	17.78
12B-2-49	49	306.2	297.33	*136	25	62	18.38
12B-2-50	50	312.3	303.39	*136	25	62	18.99
12B-2-51	51	318.4	309.45	*136	25	62	19.62
12B-2-52	52	324.5	315.51	*136	25	62	20.26
12B-2-53	53	330.5	321.57	*136	25	62	20.89
12B-2-54	54	336.6	327.63	*136	25	62	21.55
12B-2-55	55	342.7	333.69	*136	25	62	22.23
12B-2-56	56	348.7	339.75	*136	25	62	22.90
12B-2-57	57	355.4	345.81	*136	25	62	24.43
12B-2-58	58	361.5	351.87	*136	25	62	25.16
12B-2-59	59	367.5	357.93	*136	25	62	25.89
12B-2-60	60	373.0	363.99	*136	25	62	26.58
12B-2-62	62	385.1	376.12	*136	25	62	28.11
12B-2-64	64	397.2	388.24	*140	25	63	29.96
12B-2-65	65	403.2	394.30	*140	25	63	30.76
12B-2-66	66	409.3	400.36	*140	25	63	31.59
12B-2-68	68	421.4	412.49	*140	25	63	33.27
12B-2-70	70	433.6	424.61	*140	25	63	35.01
12B-2-72	72	447.0	436.73	*140	25	63	36.97
12B-2-75	75	463.9	454.92	*140	25	63	39.54
12B-2-76	76	469.9	460.98	*140	25	63	40.47
12B-2-78	78	482.1	473.10	*140	25	63	42.41
12B-2-80	80	494.2	485.23	*140	25	63	44.38
12B-2-85	85	524.5	515.54	*140	25	63	49.52
12B-2-90	90	554.8	545.85	*140	25	63	54.96
12B-2-95	95	585.1	576.17	*140	25	63	60.70
12B-2-100	100	615.4	606.48	*140	25	63	66.75
12B-2-110	110	676.1	667.11	*140	25	63	79.77
12B-2-114	114	700.6	691.36	*140	25	63	85.37
12B-2-120	120	736.7	727.74	*140	25	63	93.98
12B-2-125	125	767.0	758.06	*140	25	63	101.53