Hardware #8 x 1/2" Standard Thread Truss Head Screws Wood Work MDF Zinc
Screw and screw are different from each other. Screw generally called wood screw; It is the kind of front end with sharp head, large pitch, generally used for fastening wooden parts, plastic parts. Screw screw is machine screw (mechanical screw), is the kind of flat head, screw pitch is small, uniform, generally used for fastening metal, machine parts
1. Certification: ISO, ROHS, SGS
2. Available Standard: DIN, ANSI, ASTM, JIS, BSW
3. Strength: Grade 4.8,Grade 8.8,Grade10.9,Grade12.9 A2-70, A4-70, A4-80
4. Finishing: Yellow, blue, white zinc plated, Galvanized,HDG,Chromate,Dacromet
5. Available material: Carbon steel, stainelss steel SS304, A2 ,Stainless steel SS314,A4.
6. Size: M2-M100, Length: 5-300mm, Moq: 500pcs, Port: Shenzhen, Shanghai
7. Available Packing: Plastic bags+Chipboard Cartons+Plywood pallet with Belt &Film.
| Thread Specification d |
-1.6 | -2 | 2.5 | 3 | 3.5 | 4 | 4.5 | 5 | -5.5 | 6 | -7 | -8 | |
| ds | Max | 1.6 | 2 | 2.5 | 3 | 3.5 | 4 | 4.5 | 5 | 5.5 | 6 | 7 | 8 |
| Min | 1.2 | 1.6 | 2.1 | 2.6 | 3.02 | 3.52 | 4.02 | 4.52 | 5.02 | 5.52 | 6.42 | 7.42 | |
| dk | Nominal | 3 | 3.8 | 4.7 | 5.6 | 6.5 | 7.5 | 8.3 | 9.2 | 10.2 | 11 | 12.5 | 14.5 |
| Max | 3.3 | 4.18 | 5.08 | 5.98 | 6.95 | 7.95 | 8.75 | 9.65 | 10.75 | 11.55 | 13.05 | 15.05 | |
| Min | 2.7 | 3.43 | 4.33 | 5.23 | 6.05 | 7.05 | 7.85 | 8.75 | 9.65 | 10.45 | 11.95 | 13.95 | |
| f | ≈ | 0.4 | 0.5 | 0.6 | 0.75 | 0.9 | 1 | 1.1 | 1.25 | 1.4 | 1.5 | 1.8 | 2 |
| k | Max | 0.96 | 1.2 | 1.5 | 1.65 | 1.93 | 2.2 | 2.35 | 2.5 | 2.75 | 3 | 3.5 | 4 |
| n | Nominal | 0.4 | 0.5 | 0.6 | 0.8 | 0.8 | 1 | 1 | 1.2 | 1.2 | 1.6 | 2 | 2 |
| Max | 0.6 | 0.7 | 0.8 | 1 | 1 | 1.2 | 1.2 | 1.51 | 1.51 | 1.91 | 2.31 | 2.31 | |
| Min | 0.46 | 0.56 | 0.66 | 0.86 | 0.86 | 1.06 | 1.06 | 1.26 | 1.26 | 1.66 | 2.06 | 2.06 | |
| t | Max | 0.8 | 1 | 1.2 | 1.45 | 1.7 | 1.9 | 2.1 | 2.3 | 2.5 | 2.8 | 3.2 | 3.7 |
| Min | 0.65 | 0.8 | 1 | 1.2 | 1.4 | 1.6 | 1.8 | 2 | 2.2 | 2.4 | 2.8 | 3.2 | |
