Replacement blade bolt for circular saw, part number 648697-00. Compatible with various saw models including DC310K, DC390B, DC390K, DCS372B, DCS372KA, DCS373B, DCS373L2, DCS373M2, DCS373P2, DCS391B, DCS391L1, DCS391M1, DCS391P1, DCS392, and DCS393.<br> Features:<br> - Reverse thread design (3/16" hex, 0.73" length, 0.70" diameter, 0.2" height)<br> - High-quality carbon steel with black oxide coating for durability<br> - Flange acts as a flat washer for secure locking<br> Usage: Tighten counterclockwise. Measure with standard vernier calipers. Replace if damaged.<br> Package includes: 2 black blade bolts.<br> Note: Slight color and size variations may occur due to lighting and manufacturing tolerances.<br> Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-DIMEANI official store