3M 12T-44T Pitch 3mm Tooth Width 11mm Timing Belt Pulley Synchronous Wheel Gear Description: -Type：With Step -Tooth pitch: 3.00mm -Teeth Type: Circular arc teeth -Tooth width: 11mm(for 10mm width belt) -Material: aluminium alloy(capped edge: iron plated zinc) -Fixing grub screw size: M4*2(12T/25T),M5*2(28T-44T)(Free gift) -Bore:3-20mm(Finish machining，ready for direct use) -Accurate transmission，No slip，Constant rate of rotation -High transmission efficiency，More time saving -Tooth pitch accurate，Seamless matching synchronous belt
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