116-0005 – Toro Blade Bolt, SEM (Genuine Toro OEM Part) The Toro 116-0005 is a genuine OEM blade bolt (SEM type), engineered to securely fasten the mower blade to the spindle on compatible Toro lawn and turf equipment. This bolt is a critical safety and performance component, ensuring proper blade retention under high rotational speeds and cutting loads. Manufactured to Toro’s original equipment specifications, the SEM blade bolt features an integrated washer design that distributes clamping force evenly, helping prevent loosening during operation. Using a genuine Toro blade bolt ensures correct thread engagement, proper torque retention, and factory-approved cutting system safety. Product Details Manufacturer Part Number: 116-0005 Brand: Toro Part Type: Blade Bolt (SEM) Category Code: 2RX System: Mower deck / blade mounting system Function: Secures mower blade to spindle Material: Hardened steel with corrosion-resistant finish OEM Status: Genuine Toro OEM replacement Function Locks the mower blade securely to the spindle Maintains proper blade alignment and balance Prevents blade loosening during operation Compatible With Toro Equipment This blade bolt is used on select Toro mower decks, including: Walk-behind lawn mowers Riding mowers Zero-turn mowers using Toro OEM blade mounting hardware (Exact compatibility depends on deck and spindle design.) How It’s Used The blade bolt installs through the center of the mower blade and threads into the spindle shaft. When torqued to Toro specifications, it secures the blade firmly in place for safe and efficient cutting. Correct torque is essential to ensure blade retention and prevent damage to the spindle or blade. Suggested Maintenance Inspect the blade bolt during every blade change Replace the bolt if threads are damaged or stretched Always torque the bolt to manufacturer specifications Check for corrosion or wear that could affect clamping force The Toro 116-0005 Blade Bolt (SEM) is used in OEM-specified Toro cutting systems where secure blade retention, durability, and safe mowing performance are essential.
