Daoke Wall Concrete Brick M12 Thread Metal Expansion Open Hook Anchor Bolts 4 Pcs
- Package Content: 6 x Expansion Screws Hook.
- Thread Size: 6 x 60mm/0.24" x 2.4" (D*L).
- Total Length: 92mm/3.6"(Ancho del gancho: 15 mm / 0.6' '.
- Can effectively prevent expansion pipe turning while tightening the screws,enhancing friction as well..
- Used in concrete and masonry. Widely used in fence,burglarproof doors and window,canopy,air conditioning fixation,home decoration,engineering, etc..