Tolerances meet or exceed ANSI standardsbrManufactured of high carbon steelbrPrecise machining and processes ensure consistent finish and high qualitybrBores are concentric to pitch line, minimizing run outbr2 set screws… keyed on centerline of toothbrEnhanced depth and location of heat treatment increases life of part.
Martin 3.315 in. Outside Diameter and 3.006 in. Pitch Diameter Bore SprocketMartinA,B,C Style
Martin
50BS15HT 1 1/850BS15HT 1 1/8
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