Feature

●● 軽金属, wood, cast iron, etc. Soft material and inserted into your when you screw the fastening of the enlightened.
●- With screw fastening enhance the reinforcement and prevent damage and screw.
●● Bolt Thread: M8 x 0 x 1.25 under hole diameter (mm): 8.4 ● Weight (g): 212 
●● Stainless steel (sus304)
●Country of Origin: Japan


Description


軽金属·プラスチックなど柔らかい材質に挿入することで、ねじ止め時の締結力を増します。
めねじの補強·損傷防止や締結品質の向上に。