Product Info Catalog Building Materials Construction Connectors, Straps & Angles Connector Screw, #9 x 2.5-In. Connector Screw, #9 x 2.5-In. Request a Quote UPC: 707392884446 Manufacturer: Simpson Strong Tie SKU: 129248 Model Number: SD9212R100-R Simpson, #9 x 2.5", connector screw.