Get 2PCS 1M 13T 15T 20T 45 degree 90° Helical gear DIY motor Staggered gear 6 8 10 12 14 15mm Bore diameter only undefined just for today
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90° Quality Helical gear
Description:1-- 45° helical gear,2 gears =90°.2-- the gears are customized products with slight scratches.Features: good articulation, smooth rotation, low noise, large torque, large coincidence.Standard hole tolerance H7,M5 top hole, precision up to 8.
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