DIY SKRH 7x70 Adjustable Frame Screw (4)

Adjustable frame screw for fixing wooden window and door frames

• SKRH consists of two elements, the body (a twin screw) and the adjusting element.
• SKRH is installed into hard base materials using NG nylon plug and into porous base materials using long NG L nylon plug.
• SKRH is installed and adjusted with a setting tool. The predrilled hole diameter should be always 14 mm.
• ZP for dry indoor and temporary outdoor use.