HVAC Blower Wheel Set Screws – Square Head Shaft Locking Screws

HVAC Blower Wheel Set Screws – Square Head Shaft Locking Screws | Zinc-Plated Steel Condition: New / Used Available – Clean & Ready for Installation Availability: Ready for pickup / fast response Key Specifications: Type: Blower Wheel Set Screws Industry Name: Shaft Locking Set Screws Material: Zinc-Plated Steel Head Style: Square Head Thread Type: Coarse Thread (UNC) Common Sizes: 1/4"-20 5/16"-18 Common Lengths: 1/2" 5/8" 3/4" Point Style: Cup Point Knurled Cup Point (varies by screw) Applications: Used to secure rotating components onto motor shafts, including: Furnace Blower Wheels Squirrel Cage Fans Draft Inducer Wheels Exhaust Fan Blades Condenser Fan Assemblies Air Handler Blowers Unit Heaters Commercial HVAC Equipment Features: Heavy-duty square head design Allows high-torque tightening with wrench or 8-point socket Secure grip on motor shaft flats Helps prevent wheel slippage and vibration Corrosion-resistant zinc-plated finish Ideal replacement for stripped, rusted, or missing set screws Compatibility: Compatible with most HVAC blower wheels and inducer assemblies using: 1/4"-20 set screws 5/16"-18 set screws ⚠️ Verify thread size and screw length before purchase. Why Buy These? ✔ Common HVAC service item ✔ Perfect replacement for seized or stripped originals ✔ Strong square-head design for maximum tightening force ✔ Great spare parts for HVAC technicians and contractors ✔ Useful add-on item when purchasing motors or blower assemblies Pickup: Toronto / GTA