Fangrui Product Details [circular Saw Blade Bolt] For Dewalt 648697-00 Circular Saw Blade Bolt Nut Tool Part, Part Number 648697-00, 648697-00-2. 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] Features A 3/16 Inch Hex Drive. Overall Length Is 0.73 Inch, With A Head Diameter Of 0.70 Inch And Head Height Of 0.2 Inch. Designed With A Left-hand (reverse) Thread To Prevent Loosening During Operation. The Integrated Flange Acts As A Washer For Secure Fastening. [high Quality] Constructed From High-quality Carbon Steel For Enhanced Strength And Durability. Forged For Reliability And Coated With Black Oxide To Resist Corrosion, Improving Longevity And Performance. [please Note] To Tighten The Reverse-threaded Bolt, Turn Counterclockwise. Use Standard Measuring Tools For Accurate Sizing. The Bolt Immediately If Damaged Or Loose To Maintain Tool Functionality And Ensure User Safety. Quantity: 1 Pcs Or 2 Pcs Color: Black Material: Carbon Steel Package Contents: 1 X Blade Bolt Or 2 X Blade Bolt (only The Blade Bolt Included; Other Items Not Included) Note: Lighting And Display Differences May Cause Slight Color Variations Between The Image And The Actual Item. Measurement Tolerance: ±1-3 Cm.