ケー・エフ・シー Official site

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 deformation. 【Features】 ■ 24-hour real-time condition monitoring ■ Easy installation ■ Visual representation of condition 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.

Related Link - http://www.kfc-net.co.jp/products/cat02/36.html

basic information

【Specifications】 ■Outer diameter size: 150×150×t9mm (φ25mm, φ45mm) ■Weight: 1.5kg ■Material: SS400, S45C ■Surface treatment: One-sided epoxy-based special coating ■Surface protection: Treated with protective film *For more details, please refer to the PDF document or feel free to contact us.

Price range

Delivery Time

Applications/Examples of results

For more details, please refer to the PDF document or feel free to contact us.

Lock bolt plate "Signal Washer"

PRODUCT

Lock bolt plate "Bump Press Washer"

PRODUCT

Recommended products

Distributors

As a pioneer in post-installed anchors in Japan, KFC was established in 1965. We respond to customer needs with a consistent system from product development to sales and construction. Our business activities are centered around three main areas: construction fastening materials such as post-installed anchors, materials for tunnel excavation like rock bolts and auxiliary methods, and various construction works related to seismic reinforcement, safety measures, equipment, and refreshment.