1～2 item / All 2 items
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.
NATM tunnel waterproof sheet protective lock bolt cap 'AK Cap'. Prevents damage to the water stop sheet!
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.
