Lock bolt cap AK cap
This is a lock bolt cap designed to prevent damage to water stop sheets in NATM tunnel construction. 【Features】 ○ The installation method is very simple. ○ In addition to the lock bolt, the protective plate with a radial spring function also protects the water stop sheet from the corners of the square washer. ● For other functions and details, please download the catalog.
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basic information
This is a lock bolt cap designed to prevent damage to water stop sheets in NATM tunnel construction. 【Features】 ○ The installation method is very simple. ○ In addition to the lock bolt, the protective plate with a radial spring function also protects the water stop sheet from the corners of the square washer. ● For other functions and details, please download the catalog.
Price information
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Applications/Examples of results
【Purpose】 ○ Prevention of water stop sheet damage
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Company information
Yoshihara Chemical Co., Ltd. has developed a unique structure of permeable material called "Moyai Drain," which improves compressive strength and permeability compared to conventional loofah-structured permeable materials. This product is supplied to the Ministry of Land, Infrastructure, Transport and Tourism, NEXCO, the Railway Construction and Transport Facilities Development Support Organization, various local governments, prefectural road public corporations, and other public institutions.
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