The internal thread anchor is a system accessory for the various Fischer mortar cartridges or injection mortars. The Fischer internal thread anchor RG M I is made of galvanised steel. For individual fixings, the application with the pre-portioned mortar cartridge is particularly economical. Application: - When mounting with the mortar cartridge, the RG MI is set with a rotary hammer drill. During the setting process, the mortar cartridge is destroyed, mixed and activates the mortar mass. - When mounting with the injection mortars, the internal thread anchor is pushed into the drill hole by hand with light rotational movements. Rated for: concrete C20/25 to C50/60, cracked and uncracked. Also suitable for: concrete C12/15, uncracked. - Natural stone with dense structure. Note: The details (building materials, loads, etc.) of the available rating.