SINGLE Can be used for fastening into rock, concrete, brick ,etc. If bolt is removed and replaced, holding power is unaffected. Made of zamak alloy, is entirely rust-proof. DOUBLE Can be used for fastening into rock, concrete, brick, etc. Eliminates high stress points detrimental in fastening into materials of medium hardness, expands full and has high gripping power. Made of zamak alloy. Does not fracture, and permits fastenings at any length. It consists of twin tublar sleeves one cone with thread, one cone with smooth and spring steel band. The special style can be made according to sketch or sample. SINGLE EXPANSION ANCHOR Item code Thread Drill Dia. (mm) Hole Depth Quantity Box/Ctn Weight Kgs/1000 SE14 1/4 1/2 1-3/8 50/500 13.6 SE516 5/16 5/8 1-5/8 50/500 24.8 SE38 3/8 3/4 1-5/8 50/500 23.5 SE12 1/2 7/8 2-1/2 25/250 54.4 SE58 5/8 1 2-3/4 25/100 95.4 SE34 3/4 1-1/4 2-7/8 10/50 182 DOUBLE EXPANSION ANCHOR Item code Anchor size Min Drill Dia. (mm) Hole Depth Quantity Box/Ctn Weight Kgs/1000 DE14 1/4-20 1/2 1-1/4 50/500 15.5 DE516 5/16-18 5/8 1-1/2 50/500 26.7 DE38 3/8-16 3/4 1-3/4 50/250 54.0 DE12 1/2-13 7/8 2-1/4 25/250 81.7 DE58 5/8-11 1 2-1/2 25/100 102.1 DE34 3/4-10 1-1/4 3-1/2 10/50 227.3