Black Ace Double Pitch Roller Chain Sprockets are manufactured with the best integrity. You will recognize value, as these sprockets are flame-cut and machined with the best precision in the marketplace.
ANSI Standard Torch Profiles
A – B – C Hub Types
A SORT (no hub) typically used in weld-on applications.
B Type (hub on one side) found in applications where clearance width is narrow. More economical than C Type.
C Type (hub upon both sides) used in applications where B Type isn’t wide enough to withstand 
torques made by drive.
Split Style Structure – Once you utilize a Split Sprocket, you might never want to employ a setscrew mount design again. sprockets Removal or installation is a breeze. Can be used in practically all applications. Another advantage to Dark Ace’s split sprockets is that the shaft/keyway protection is much tighter than a typical setscrew mount.
Hardening Offered – Flame hardening of sprockets is available as a choice.