We are a leading supplier of 3/4inch pitch bored and keyed sprockets, essential components for chain drive transmission systems across a wide range of industrial applications. Our extensive selection of 12B1 sprockets features pre-machined bore sizes ranging from 19mm to 50mm and tooth counts from 10 to 25 teeth, all secured with dual grubscrews for reliable shaft mounting. These precision-engineered sprockets are designed to work seamlessly with 12B simplex roller chains, providing efficient power transmission in machinery, conveyors, agricultural equipment, and manufacturing systems. With over 160 variations in stock from our UK warehouse, we can help you find the exact specification to match your application requirements.

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12B1 25T Sprocket Comes With 25mm Bore & Keyed with 2 Grubscrews (6SR25 25BK&2GS)

Bore
25mm

Number of Teeth
25

Pitch
3/4inch

Qty:

12B1 22T Sprocket Comes With 45mm Bore & Keyed with 2 Grubscrews (6SR22 45BK&2GS)

Bore
45mm

Number of Teeth
22

Pitch
3/4inch

Qty:

12B1 18T Sprocket Comes With 40mm Bore & Keyed with 2 Grubscrews (6SR18 40BK&2GS)

Bore
40mm

Number of Teeth
18

Pitch
3/4inch

Qty:

12B1 18T Sprocket Comes With 38mm Bore & Keyed with 2 Grubscrews (6SR18 38BK&2GS)

Bore
38mm

Number of Teeth
18

Pitch
3/4inch

Qty:

12B1 18T Sprocket Comes With 35mm Bore & Keyed with 2 Grubscrews (6SR18 35BK&2GS)

Bore
35mm

Number of Teeth
18

Pitch
3/4inch

Qty:

12B1 18T Sprocket Comes With 32mm Bore & Keyed with 2 Grubscrews (6SR18 32BK&2GS)

Bore
32mm

Number of Teeth
18

Pitch
3/4inch

Qty:

12B1 18T Sprocket Comes With 30mm Bore & Keyed with 2 Grubscrews (6SR18 30BK&2GS)

Bore
30mm

Number of Teeth
18

Pitch
3/4inch

Qty:

12B1 18T Sprocket Comes With 28mm Bore & Keyed with 2 Grubscrews (6SR18 28BK&2GS)

Bore
28mm

Number of Teeth
18

Pitch
3/4inch

Qty:

12B1 18T Sprocket Comes With 25mm Bore & Keyed with 2 Grubscrews (6SR18 25BK&2GS)

Bore
25mm

Number of Teeth
18

Pitch
3/4inch

Qty:

12B1 18T Sprocket Comes With 22mm Bore & Keyed with 2 Grubscrews (6SR18 22BK&2GS)

Bore
22mm

Number of Teeth
18

Pitch
3/4inch

Qty:

12B1 19T Sprocket Comes With 50mm Bore & Keyed with 2 Grubscrews (6SR19 50BK&2GS)

Bore
50mm

Number of Teeth
19

Pitch
3/4inch

Qty:

12B1 19T Sprocket Comes With 48mm Bore & Keyed with 2 Grubscrews (6SR19 48BK&2GS)

Bore
48mm

Number of Teeth
19

Pitch
3/4inch

Qty:

12B1 19T Sprocket Comes With 45mm Bore & Keyed with 2 Grubscrews (6SR19 45BK&2GS)

Bore
45mm

Number of Teeth
19

Pitch
3/4inch

Qty:

12B1 19T Sprocket Comes With 42mm Bore & Keyed with 2 Grubscrews (6SR19 42BK&2GS)

Bore
42mm

Number of Teeth
19

Pitch
3/4inch

Qty:

12B1 19T Sprocket Comes With 38mm Bore & Keyed with 2 Grubscrews (6SR19 38BK&2GS)

Bore
38mm

Number of Teeth
19

Pitch
3/4inch

Qty:

12B1 19T Sprocket Comes With 35mm Bore & Keyed with 2 Grubscrews (6SR19 35BK&2GS)

Bore
35mm

Number of Teeth
19

Pitch
3/4inch

Qty:

12B1 19T Sprocket Comes With 32mm Bore & Keyed with 2 Grubscrews (6SR19 32BK&2GS)

Bore
32mm

Number of Teeth
19

Pitch
3/4inch

Qty:

12B1 19T Sprocket Comes With 30mm Bore & Keyed with 2 Grubscrews (6SR19 30BK&2GS)

Bore
30mm

Number of Teeth
19

Pitch
3/4inch

Qty:

12B1 19T Sprocket Comes With 28mm Bore & Keyed with 2 Grubscrews (6SR19 28BK&2GS)

Bore
28mm

Number of Teeth
19

Pitch
3/4inch

Qty:

12B1 19T Sprocket Comes With 25mm Bore & Keyed with 2 Grubscrews (6SR19 25BK&2GS)

Bore
25mm

Number of Teeth
19

Pitch
3/4inch

Qty:

12B1 20T Sprocket Comes With 50mm Bore & Keyed with 2 Grubscrews (6SR20 50BK&2GS)

Bore
50mm

Number of Teeth
20

Pitch
3/4inch

Qty:

12B1 20T Sprocket Comes With 48mm Bore & Keyed with 2 Grubscrews (6SR20 48BK&2GS)

Bore
48mm

Number of Teeth
20

Pitch
3/4inch

Qty:

12B1 20T Sprocket Comes With 45mm Bore & Keyed with 2 Grubscrews (6SR20 45BK&2GS)

Bore
45mm

Number of Teeth
20

Pitch
3/4inch

Qty:

12B1 20T Sprocket Comes With 42mm Bore & Keyed with 2 Grubscrews (6SR20 42BK&2GS)

Bore
42mm

Number of Teeth
20

Pitch
3/4inch

Qty:

12B1 20T Sprocket Comes With 40mm Bore & Keyed with 2 Grubscrews (6SR20 40BK&2GS)

Bore
40mm

Number of Teeth
20

Pitch
3/4inch

Qty:

12B1 20T Sprocket Comes With 35mm Bore & Keyed with 2 Grubscrews (6SR20 35BK&2GS)

Bore
35mm

Number of Teeth
20

Pitch
3/4inch

Qty:

12B1 20T Sprocket Comes With 32mm Bore & Keyed with 2 Grubscrews (6SR20 32BK&2GS)

Bore
32mm

Number of Teeth
20

Pitch
3/4inch

Qty:

12B1 20T Sprocket Comes With 30mm Bore & Keyed with 2 Grubscrews (6SR20 30BK&2GS)

Bore
30mm

Number of Teeth
20

Pitch
3/4inch

Qty:

12B1 20T Sprocket Comes With 28mm Bore & Keyed with 2 Grubscrews (6SR20 28BK&2GS)

Bore
28mm

Number of Teeth
20

Pitch
3/4inch

Qty:

12B1 20T Sprocket Comes With 25mm Bore & Keyed with 2 Grubscrews (6SR20 25BK&2GS)

Bore
25mm

Number of Teeth
20

Pitch
3/4inch

Qty:

12B1 21T Sprocket Comes With 25mm Bore & Keyed with 2 Grubscrews (6SR21 25BK&2GS)

Bore
25mm

Number of Teeth
21

Pitch
3/4inch

Qty:

12B1 21T Sprocket Comes With 48mm Bore & Keyed with 2 Grubscrews (6SR21 48BK&2GS)

Bore
48mm

Number of Teeth
21

Pitch
3/4inch

Qty:

12B1 21T Sprocket Comes With 45mm Bore & Keyed with 2 Grubscrews (6SR21 45BK&2GS)

Bore
45mm

Number of Teeth
21

Pitch
3/4inch

Qty:

12B1 21T Sprocket Comes With 42mm Bore & Keyed with 2 Grubscrews (6SR21 42BK&2GS)

Bore
42mm

Number of Teeth
21

Pitch
3/4inch

Qty:

12B1 21T Sprocket Comes With 40mm Bore & Keyed with 2 Grubscrews (6SR21 40BK&2GS)

Bore
40mm

Number of Teeth
21

Pitch
3/4inch

Qty:

12B1 21T Sprocket Comes With 38mm Bore & Keyed with 2 Grubscrews (6SR21 38BK&2GS)

Bore
38mm

Number of Teeth
21

Pitch
3/4inch

Qty:

12B1 21T Sprocket Comes With 35mm Bore & Keyed with 2 Grubscrews (6SR21 35BK&2GS)

Bore
35mm

Number of Teeth
21

Pitch
3/4inch

Qty:

12B1 21T Sprocket Comes With 32mm Bore & Keyed with 2 Grubscrews (6SR21 32BK&2GS)

Bore
32mm

Number of Teeth
21

Pitch
3/4inch

Qty:

12B1 21T Sprocket Comes With 30mm Bore & Keyed with 2 Grubscrews (6SR21 30BK&2GS)

Bore
30mm

Number of Teeth
21

Pitch
3/4inch

Qty:

12B1 21T Sprocket Comes With 28mm Bore & Keyed with 2 Grubscrews (6SR21 28BK&2GS)

Bore
28mm

Number of Teeth
21

Pitch
3/4inch

Qty:

12B1 22T Sprocket Comes With 50mm Bore & Keyed with 2 Grubscrews (6SR22 50BK&2GS)

Bore
50mm

Number of Teeth
22

Pitch
3/4inch

Qty:

12B1 24T Sprocket Comes With 38mm Bore & Keyed with 2 Grubscrews (6SR24 38BK&2GS)

Bore
38mm

Number of Teeth
24

Pitch
3/4inch

Qty:

12B1 24T Sprocket Comes With 28mm Bore & Keyed with 2 Grubscrews (6SR24 28BK&2GS)

Bore
28mm

Number of Teeth
24

Pitch
3/4inch

Qty:

12B1 24T Sprocket Comes With 30mm Bore & Keyed with 2 Grubscrews (6SR24 30BK&2GS)

Bore
30mm

Number of Teeth
24

Pitch
3/4inch

Qty:

12B1 24T Sprocket Comes With 32mm Bore & Keyed with 2 Grubscrews (6SR24 32BK&2GS)

Bore
32mm

Number of Teeth
24

Pitch
3/4inch

Qty:

12B1 24T Sprocket Comes With 35mm Bore & Keyed with 2 Grubscrews (6SR24 35BK&2GS)

Bore
35mm

Number of Teeth
24

Pitch
3/4inch

Qty:

12B1 24T Sprocket Comes With 42mm Bore & Keyed with 2 Grubscrews (6SR24 42BK&2GS)

Bore
42mm

Number of Teeth
24

Pitch
3/4inch

Qty:

12B1 24T Sprocket Comes With 48mm Bore & Keyed with 2 Grubscrews (6SR24 48BK&2GS)

Bore
48mm

Number of Teeth
24

Pitch
3/4inch

Qty:

12B1 24T Sprocket Comes With 45mm Bore & Keyed with 2 Grubscrews (6SR24 45BK&2GS)

Bore
45mm

Number of Teeth
24

Pitch
3/4inch

Qty:

12B1 25T Sprocket Comes With 50mm Bore & Keyed with 2 Grubscrews (6SR25 50BK&2GS)

Bore
50mm

Number of Teeth
25

Pitch
3/4inch

Qty:

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