Becho 20 pcs 304 Stainless Steel Hex Nut Expansion Bolt External Sleeve Anchor Set(M6M8M10)

Feature: 1. Made of high quality 304 stainless steel, it has rust and corrosion resistance. 2. Suitable for Concrete, Stone and brickworkly used in burglarproof doors,fenceand window,air conditioning rach fixation,canopy,home decoration,engineering,etc all work of indoor or outdoor. Specification: Product Name:Hex Nut Sleeve Anchor Expansion Bolt . Material: 304 stainless steel Color: Silver Thread Diameter: M6,Total Length: 60mm / 2.36″,Sleeve Size: 40mm x 10mm / 1.57″ x 0.39″(L*D),Drill Punch Diameter: 8mm / 0.31″,Hex Width: 10mm/ 0.39″,Suitable for 10MM drill hole punching. Thread Diameter: M8,Total Length: 80mm / 3.15″,Sleeve Size: 55mm x 12mm / 2.16″ x 0.47″(L*D),Drill Punch Diameter: 8mm / 0.31″,Hex Width: 12mm/ 0.47″,Suitable for 12MM drill hole punching. Thread Diameter: M10,Total Length: 100mm / 3.93″,Sleeve Size: 75mm x 14mm / 2.95″ x 0.55″(L*D),Drill Punch Diameter: 10mm / 0.39″,Hex Width: 14mm/ 0.55″,Suitable for 14MM drill hole punching. Weight: 200g Package Content: M6*60mm–10 pcs M8*80mm–6 pcs M10*100mm–4 pcs How to use: Use a heavy-duty anchor gun to punch holes in the ground or on the wall,put the expansion screw into the hole and then tighten the nuts of the expansion bolt with wrench bolt goes outside while the metal sheath does not move,the bigger head of the bolt will expand the metal sheath, making it fill the whole hole,the expansion screw can not be pulled out.