Specification Brand : TOP-VIGOR BulletPoint1 : 【Nuts Sizes】Internal Thread Size: M8; Nut External Dia: 14mm/0.55"; Internal Hex Width: 8mm/0.31"; Length: 20mm/0.79"; Package Content: 16pcs x Hanger Bolts; 16pcs x Insert Nuts Interface BulletPoint2 : 【Double-Headed Bolts】Thread Dia: M8(Machine screw); Thread Dia: 8mm/0.31"(Wood screw); Total Length: 50mm/1.97"; Machine Screw Thread Length: 17mm/1.67"; Wood Screw Thread Length: 31mm/1.22"; Machine Screw Pitch: 1.25mm BulletPoint3 : 【Durable & Corrosion-Resistant】Made from high-hardness carbon steel with a color-galvanized finish, these hanger bolts offer excellent wear resistance, corrosion protection, and rust prevention for long-lasting use. BulletPoint4 : 【Secure & Stable Design】Featuring a wood screw thread on one end and a machine screw thread on the other, these bolts are perfect for woodworking connections. The inner hex head with a flange ensures even force distribution, enhancing structural stability. BulletPoint5 : 【Versatile Applications】Ideal for assembling and reinforcing various furniture pieces, including outdoor and household furniture, stair columns, wooden railings, solid wood furniture, custom pieces, and office furniture. Perfect for creating strong and reliable connections. IsValueStoresItem : 1 ItemName : TOP-VIGOR 16Pcs M8x50mm Hanger Bolts, 31mm Wood Dowel Screw Self-Tapping Screw with M8x20mm Threaded Insert Nuts Interface Hex Socket Drive for Joint Furniture Legs ItemPackageDimensions_Height : 1 centimeters ItemPackageDimensions_Length : 13 centimeters ItemPackageDimensions_Width : 11 centimeters ItemPackageQuantity : 16 ItemTypeKeyword : hanger-bolts Manufacturer : TOP-VIGOR Material : Stainless Steel NumberOfItems : 16 PartNumber : W10963AP16-FBAPZUS-1-T6 ProductDescription : Description: 1. Material: 4.8 Grade carbon steel construction with zinc plated, high hardness, provides great corrosion resistance and antirust ability for long service life. 2. Advantage: The hanger bolt is good for wooden furniture jointing. Wood screw thread on one end and a machine screw thread on the other end. 3. Applications: The double-ended screw is suitable for outdoor furniture, household furniture, stair post, wooden guardrail, solid wood furniture, custom furniture, and office furniture.