64869700 Circular Saw Blade Bolt Compatibility Compatible with saw models DC310K Type 1; DC390B Type 1 and Type 2; DC390K Type 1 and Type 2; DCS372B Type 1 and Type 2; DCS372KA Type 1 and Type 2; DCS373B Type 1 and Type 2; DCS373L2 Type 1; DCS373M2 Type 1 and Type 2; DCS373P2 Type 1 and Type 2; DCS391B Type 1, Type 2, and Type 3; DCS391BB3 Type 1 and Type 2; DCS391L1 Type 1; DCS391M1 Type 1; DCS391P1 Type 3; DCS392 Type 1; and DCS393 Type 1 and Type 3. Material and Construction Made from quality steel for enhanced strength and durability. Black oxide coating provides rust resistance, improving longterm stability and performance. Part Numbers and Replacement Replacement for 64869700 circular saw blade bolt nut tool part. Also referenced as 648697002. Design and Dimensions Lefthand reverse thread design to help prevent loosening and keep the socket head cap from slipping during rotation. 3/16 inch hex head. Overall length: 0.73 inch. Head diameter: 0.70 inch. Height: 0.2 inch. The flange portion acts as a flat washer to allow firmer locking. Key benefits Reliable compatibility with a wide range of DeWalt cordless circular saws, ensuring a proper fit when replacing worn bolts. Strong, durable steel with rustresistant coating for longer service life in demanding cutting tasks. Lefthand reverse thread reduces the risk of loosening under vibration, improving safety and performance. Flange design provides an effective locking surface for secure blade mounting. Use scenarios Routine maintenance on compatible DeWalt circular saws during blade changes, ensuring a secure, stable connection between blade and tool. Heavy cutting or vibration applications where bolt rotation could loosen; the lefthand thread minimizes loosening risk. On job sites or workshop environments requiring consistent, reliable blade fastening for models listed in the compatibility section, reducing downtime due to fastener failures.