Specification Brand : Aicosineg BulletPoint1 : 【SIZE】- Thread Diameter: M8 (Machine screw); Total Length: 40mm/ 1.57"; Wood Screw Thread Length: 20mm/ 0.79"; Machine Screw Thread Length: 20mm/ 0.79 BulletPoint2 : 【MATERIAL】- Made of high quality carbon steel, hard and unpliant, zinc plated surface, greatly enhancing the corrosion resistance BulletPoint3 : 【ADVANTAGE】- Ideal for wooden furniture jointing. Wood screw thread on one end and a machine screw thread on the other end BulletPoint4 : 【APPLICATION】- Iron furniture, outdoor furniture, household furniture, stair post, wooden guardrail, solid wood furniture, custom furniture, office furniture and so on BulletPoint5 : 【PACKAGE CONTENT】- 10pcs x Double Headed Screws without Middle Flat End ExteriorFinish : Zinc ItemName : M8x40mm Zinc Plated Carbon Steel Double Headed Hanger Bolts 1.57 inch Length Self Tapping Screw for Furniture Installation Bronze Tone 10Pcs,Aicosineg ItemPackageDimensions_Height : 5 centimeters ItemPackageDimensions_Length : 5 centimeters ItemPackageDimensions_Width : 5 centimeters ItemTypeKeyword : hanger-bolts Manufacturer : Aicosineg ManufacturerGrade : Grade 2 Material1 : Carbon Steel Material2 : Zinc Material3 : Iron MetalType : Zinc,Carbon Steel,Iron ModelNumber : NO NumberOfItems : 1 PartNumber : EM5600S2309AI-FBA ProductDescription : Aicosineg, Double Headed Screws
Description: 1. Double Headed Screws are self-tapping wood threads at one end which can be directly locked into the soft material (wood); The other end is a mechanical thread, which can be locked with the nut. 2. Suitable for iron furniture, outdoor furniture, household furniture, stair post, wooden guardrail, solid wood furniture, custom furniture, office furniture and so on. 3. Double Ended Screws have excellent workmanship, strong and durable, corrosion resistant and rust resistant.
Color Zinc Carbon Steel Dowel Screws Installation: Color zinc carbon steel double-headed screws, using color zinc surface treatment with excellent corrosion resistance, beautiful and durable, first install a pre-hole smaller than the diameter of the self-tapping thread end, all locked into the self-tapping end (tip), and then Install metric threaded end (flat end).
Carbon Steel Double-headed Screws Installation: Carbon steel double-headed screws are first fixed at the middle flat end with a snap hex wrench and locked into the self-tapping end by force. If there is no flat end in the middle, there is a hexagonal groove on the mechanical threaded end. It can also be installed and operated with a hexagonal wrench.
NOTE: 1. Choose the size, flat position, and style according to the needs of installation at the time of purchase. There are some errors due to manual measurement, but it will not affect its use. 2. The mechanical threaded end (flat end) cannot be struck vigorously with a hammer, as it will make the thread and become unusable.