38mm Roller Blind Mechanism — Bead Chain Drive Headrail Kit for T-001 Tube, 1:1.65 Gear Ratio, Wholesale Supply for Blind Manufacturers
38mm Roller Blind Clutch Mechanism — Reliable Chain Drive System for Professional Blind Fabrication
Engineered for high-volume blind manufacturers and window treatment workshops, this 38mm roller blind clutch mechanism delivers consistent, smooth operation across large production runs. The complete 4-piece headrail hardware set includes everything needed to assemble a professional-grade chain-operated roller blind when paired with a T-001 series 38mm aluminum tube.


Optimized 1:1.65 Gear Ratio Provides a balanced trade-off between lifting speed and operating effort, reducing end-user fatigue when raising or lowering medium-to-large window coverings. Fewer chain pulls required per full travel compared to standard 1:1 systems.
4.5×6mm Bead Chain Compatibility Uses the most widely available commercial bead chain specification, simplifying your supply chain and reducing procurement complexity. Compatible with metal and plastic bead chains from major chain suppliers.
Precision-Engineered for T-001 Tube Profile Designed for seamless press-fit insertion into standard T-001 specification 38mm aluminum roller tubes. No additional adapters or modification required, minimizing assembly time on your production floor.
Complete 4-Piece Headrail Kit Each unit ships as a matched set: clutch drive unit, pin end idler, drive end bracket, and idle end bracket. Your team opens one package and has all hardware ready for one blind — reducing parts sorting time and assembly errors.












