Special Customization Wood With Wings Countersunk Head Self Drilling Screw
1.Standard: DIN, ASTM,JIS,BS,AS,ISO,GB, Nonstandard bolt(according to your order),etc.
2.Material: Carbon steel, Stainless steel
3.Grade: DIN:4.8-12.9: SAE GR.A-GR.8
4.Finish:Plain;black; zinc plated; HDG; dacromet; nickle plated etc
5.Size: M2.5-M6.3
6.Length: 25-75mm