Lock bolt plate "Signal Washer"
Real-time status monitoring is possible! Visualization of ground strength and plates for rock bolts.
The "Signal Washer" is a plate developed to detect ground displacement caused by high earth pressure. It is set with a standard rock bolt, and when the axial force generated in the bolt exceeds a certain level, the coating of the special paint applied to the washer peels off, allowing for easy visual confirmation of changes. 【Features】 ■ 24-hour real-time status monitoring ■ Easy installation ■ Visualization of status changes ■ No electricity required ■ Patent registered ■ NETIS registered KT-180047-A *For more details, please refer to the PDF document or feel free to contact us.
- Company：ケー・エフ・シー
- Price：Other
