8845-20-N split spindle Finish/Color: Zinc-platedMaterial: SteelDimensions: 2-1/2" SKU: 8845-20-N-745 Category: Doorknob Spindles Tag: Zinc plated Description Description Split spindle. Zinc plated steel. 20 TPI. Length: 2-1/2″ , Width: 9/32″ (7mm) , Thread: 3/8″ – 20