[Circular Saw Blade Bolt] Replacement for DEWALT 648697-00 circular saw blade bolt, part number 648697-00, 648697-00-2 [648697-00 Circular Saw Blade Bolts] Compatible with the following DEWALT 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, DCS391B-B3 Type 1 and Type 2, DCS391L1 Type 1, DCS391M1 Type 1, DCS391P1 Type 3, DCS392 Type 1, and DCS393 Type 1 and Type 3 [Reverse Thread Blade Bolt] Blade bolt for circular saw with a 3/16-inch hex. Overall length: 0.73 inch. Head diameter: 0.70 inch. Head height: 0.2 inch. Features left-hand (reverse) thread design to prevent loosening during operation. Flanged head acts as an integrated washer for secure fastening. [High Quality] Made from high-strength carbon steel. Forged for enhanced durability. Black oxide coating resists corrosion and improves longevity. [Important Note] To tighten this reverse-thread bolt, turn counterclockwise. Measure with standard calipers. Replace immediately if bolt is loose to ensure safe and proper tool operation. Quantity: 2 pcs Color: Black Material: Carbon steel Package Contents: 2 × Blade Bolt Note: Actual color may vary slightly due to screen settings and lighting conditions. Measurement tolerance: ±1–3 mm.