Anchor bolts, Stainless steel Expansion Sleeve Anchor Screw Bolts,Expansion Bolts - Open Expansion Hook Expansion Anchor Bolt, M10*100(90°) / 5 Pieces (Color : M10*120(90°)/5 Pieces) (Color : M8/5 Pie

Package Includes: 5 Pieces.
Material: This expansion bolt is made of high quality carbon steel.
Drill the hole to correct size and tap the screw into the hole then tighten up.
Expansion is created by tightening a threaded bolt which draws a tapered cone expanding a sleeve against the walls of the hole.
If you have any questions about product quality, please contact us in time and we will do our best to answer you within 24 hours.