Spax Type-SD Expansion 8.0 x 40mm Green Wall Plugs x 40 Pcs - 4100000800407 The dowel geometry of these Spax wall plugs, which is optimally matched to the SPAX screw, ensures safe processing and a flawless assembly result. FEATURES: Made from high quality nylon Suitable for pre-positioned installation Even force distribution through 4-fold expansion Dowel collar protects the surface of the building material and prevents it from slipping into the drill hole Rotation lock prevents the dowel from turning in the building material when the screw is screwed in The expansion pressure-free dowel neck prevents plaster or tiles from flaking Can be used outdoors in combination with stainless steel screws Screw length = fixture thickness E + min. Screw-in depth D SPECIFICATION Spax Product Number: 4100000800407 Possible Screw Diameter: 4-6mm Nominal Drill Diameter: 8mm Min. Hole Depth: 50mm Min. Screw-In Depth: 45mm Total Length Ls: 40mm