Torx Socket Round Head Stainless Steel Tapping Screws For Plastic 3.5 mm Full Thread
Stainless steel wood screws with round head and torx socket T20 , about 2/3 partial threaded shaft of overall shaft length , 36 degree sharp point for drilling wooden parts and flank angle for threads are 45 degree or so .
Specification for Wood Screws

DIN 96 Wood screws
Material : Stainless Steel A2-70
Finish : Polishing
| d1 | 5 |
| b | 25 |
| k | 30 |
| L | 15 |
| Drive | T20 |
| d2 | 9.6 |
Materials for Wood Screws
Round head wood screws are made from stainless steel grade 304
Chemical Elements
| C | Si | Mn | S | P | Mo | Cr | Ni |
| 0.01 | 0.3 | 0.65 | 0.03 | 0.035 | 2 | 18 | 14 |
Physical Performance
| Tensile strength σb (MPa) | 650 |
| Yiled Strength σs (MPa) | 320 |
| Elongation δ5 (%) | 35 |
| Reduction of area ψ (%) | 45 |
| Density g/cm3) | 7.98 |
Finish for Wood Screws
| Finish | Charicteristic |
| Description | Zinc |
| Thickness | 5um |
| Color | Blue / silver |
| Chrome | 3+ |
Applications for Wood Screws
Wood screws are used for wooden parts of furniture or buliding etc .
★ Wooden boxes
★ Wooden tables
★ Wooden doors
★ Beam
★ Timber Rod
Features for Wood Screws
◆ Wider threads
◆ Fast cutting performance
◆ Harden material
◆ Good drilling point
◆ Eco-friendly