08A12

Metric Roller Chain Sprocket

Item #100966134

10 mm Minimum Bore

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Product Details

Maximum bores shown will accommodate standard keyseat and setscrew over keyseat. Slightly larger bores are possible with no keyseat, shallow keyseat, or setscrew at an angle to keyseat.

Manufactured of high carbon steel
Precise machining and processes ensure consistent finish and high quality
Bores are concentric to pitch line, minimizing run out
Chain rows are parallel and precisely spaced to increase longevity of sprocket and chain

Specifications

Inch/Metric	Metric
No. of Teeth	12
Bore Style	Minimum Bore
Hardened Teeth	Without Hardened Teeth
Family Name	No. 08 - 12.700 mm Pitch - Single - A
Width Across Teeth	5.31 mm
Root Diameter	40.6 mm
Bore Type	Reborable
Sprocket Style	A
Outside Dia. [Min]	56.44 mm
Caliper Diameter	5.77 mm
Bore Range [Min]	10 mm
Hub Length Thru	N/A
Pitch Root Diameter	40.6 mm
No. of Strands Across	1
Pitch Diameter	49.1 mm
Outside Dia.	56.44 mm
Bore Range [Max]	N/A
Hub Projection	N/A
Material	Steel
Single Strand Tooth Thickness	7.37 mm
Pitch Diameter [Min]	49.1 mm
Length Through Bore	5.31 mm
Chain Pitch	12.7 mm
Martin No.	08A12
Series	A
Chain No.	08B, 08B-1
Hub Dia.	N/A
Pin Diameter	8.509 mm
Weight	0.17 LB
EAN or UPC	697950396835