HOUKITS Concrete Wall Hook Expansion Hook 304 Stainless Steel Heavy Duty Concrete Hook Open Cup Hook Expansion Bolts for Concrete Wall M8 4pcs
- Package Content: 4 x Expansion Screws Hook.
- Thread Size: 12 x 93mm/0.47" x 3.7" (D*L).
- Total Length: 148mm/5.8"(Hook Width: 23mm / 0.9' '.
- 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..