Specification Brand : FIYA BulletPoint1 : Product Name: Expansion Hook Bolt; Material: 304 Stainless Steel; Weight: 436g (Product Name: Expansion Hook Bolt; Material: 304 Stainless Steel; Weight: 436g BulletPoint2 : Package Content: 10pcs x Expansion Hook Bolt; Punch Diameter: 10mm/0.4" (Package Content: 10pcs x Expansion Hook Bolt; Punch Diameter: 10mm/0.4" BulletPoint3 : Main Color: Silver Tone; Overall Size: (Length) 100mm/4" (Main Color: Silver Tone; Overall Size: (Length) 100mm/4" BulletPoint4 : Thread Size: M6 x 80mm/0.24" x 3.1" (D*Bolt Length); Sleeve Size: 9 x 60mm/0.35" x 2.4" (D*L) (Thread Size: M6 x 80mm/0.24" x 3.1" (D*Bolt Length); Sleeve Size: 9 x 60mm/0.35" x 2.4" (D*L) BulletPoint5 : Hook Shaft Dia: 5mm/0.2"; Eyelet Diameter: 27 x 17mm/1.1" x 0.67" (Outer Dia.*Inner Dia.) (Hook Shaft Dia: 5mm/0.2"; Eyelet Diameter: 27 x 17mm/1.1" x 0.67" (Outer Dia.*Inner Dia.) Color : Multiple colors ItemName : IIVVERR M6x80mm 304 Stainless Steel Expansion Screw Closed Hook Anchor Bolt 10pcs (M6x80mm 304 Stainless Steel Expansion Screw Closed Hook Anchor Bolt 10pcs ItemTypeKeyword : hook-anchors Manufacturer : IIVVERR Material : Other PartNumber : ac72809efab3caa ProductDescription : M6x80mm 304 Stainless Steel Expansion Screw Closed Hook Anchor Bolt 10pcs M6 male thread Expansion screw hook anchor bolt with flat washer and hex nut. Closed hook bolts suitable for secure and reliable fixing of items and fixtures to concrete, brick, walls and any solid surface. Installation methods: Select a chopping bit with the same diameter as expansion screw casing, and install it on the electric drill for punching. The depth of the hole should be equal to the length of the bolt. Then insert the expansion bolt set into the hole. Remember: Do not screw off the nut and prevent the bolt from falling into the hole when the drill is too deep. Tighten the nut for 2 to 3 buckles and unscrew the nut when expansion bolt si very tight without any looseness. Then the fixed items are mounted with perforated fixed part and installed aiming at bolt. The gasket or spring washer outside is used to screw the nut tightly. Description in French M6x80mm 304 Stainless Steel Expansion Screw Closed Hook Anchor Bolt 10pcs Product Name: Expansion Hook Bolt; Material: 304 Stainless Steel; Weight: 436g Package Content: 10pcs x Expansion Hook Bolt; Punch Diameter: 10mm/0.4" Main Color: Silver Tone; Overall Size: (Length) 100mm/4" Thread Size: M6 x 80mm/0.24" x 3.1" (D*Bolt Length); Sleeve Size: 9 x 60mm/0.35" x 2.4" (D*L) Hook Shaft Dia: 5mm/0.2"; Eyelet Diameter: 27 x 17mm/1.1" x 0.67" (Outer Dia.*Inner Dia.)