メタルニクス List of Products and Services

The "Security Lock Nut" is a nut with a special shape that works effectively when combined with a dedicated tool, specifically designed to prevent tampering and theft. Once tightened, it cannot be removed with other tools due to its structure. Additionally, the entire outer circumference is covered with a rounded surface, and a recess for fastening work has been provided at the top of the nut. 【Features】 ■ Theft prevention design through dedicated tools ■ No length limitation for the bolt ■ Elimination of tightening issues caused by wrench slippage *For more details, please download the PDF or feel free to contact us.

• nut

The "Return Lock Bolt" is a counter-rotation prevention bolt that allows for one-handed operation without the need for welding or press-fitting, thanks to its unique neck shape design. It resolves the issue where the bolt cannot be advanced during installation with a nut because it rotates together unless the bolt is held with one hand. 【Features】 ■ The peel strength after nut tightening is comparable to JIS welded bolts. ■ It does not select the substrate material of the counterpart. *For more details, please download the PDF or feel free to contact us.

• bolt