Anti-rotation washer that absolutely prevents bolts from rotating together - Zero friction washer.
Washer for completely preventing the simultaneous rotation of bolts, suitable for M12 to M72.
■ Completely prevents bolt rotation with the "Anti-Rotation Zero Friction Washer" Bolt sizes: Compatible with M12 to M72. International patent applied for. ■ Features of the Plarad Anti-Rotation Zero Friction Washer Prevents rotation of hex bolts. ■ Unlike washers that utilize the friction resistance of surface irregularities from knurled processing, the Zero Rotation Washer has a special structure that changes the equivalent friction diameter, ensuring that the bolt does not rotate. ■ By simply replacing standard flat washers, there is no need for cumbersome bolt anti-rotation tools or backup wrench tools, significantly reducing the time required for bolt tightening operations. Additionally, the bolt tightening task, which previously required two workers to hold the tightening tool and the anti-rotation tool, can now be done by one person, improving labor efficiency. - Strength classification: 8.8 - Material: S45C - Surface treatment: Trivalent chromate finish <For inquiries about the bolt anti-rotation zero friction washer> Please contact us for quotes or material requests. Plarad Co., Ltd. TEL: 078-967-3556
- 企業：日本プララド
- 価格：Other
