[Circular Saw Blade Bolt] Replacement for Dewalt 648697-00 circular saw blade bolt, part number 648697-00 [648697-00 Circular Saw Blade Bolts] Compatible with 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 is 0.73 inch, head diameter is 0.70 inch, and height is 0.2 inch. Features a left-hand reverse thread design to prevent slippage during rotation. Flange acts as a flat washer for secure locking. [High Quality] Made from high-quality carbon steel, forged for strength and durability. Surface coated with black oxide for corrosion resistance, enhancing stability and longevity. [Please Note] To tighten the reverse-threaded bolt, turn counterclockwise. Measure using standard vernier calipers, as these are standard parts. Replace immediately if the bolt is loose to ensure proper function and safety. Quantity: 2 PCS Color: Black Material: Carbon steel Package Contents: 2 × Blade Bolt Note: Light reflection and display differences may cause slight color variation between image and actual item. Measurement tolerance: ±1–3 mm.