[M8×1.25 55pcs]
[M3×0.50 180pcs]
With serate; Strength Classification: 4T (Compatible Bolt Strength Classification: 3.6, 4.6, 4.8); Opposite Side Dimensions S: 0.3 inches (7.0 mm); The bottom is integrated with the washer and it will prevent loosening.
●下部がワッシャーと一体化しており、ゆるみ止めとなります