Product:  Flat Head Self Drilling Screw

Material:Carbon Steel or Stainless Stee410 304

Size:3.5 3.9 4.2 4.8 5.5 6.3

Head:countersunk,Pan head,hex head,washer head

Drive style;Phillips,Tork,Hex,Square

Length:10-250mm
quantity:60 ton
Standard;DIN 7504

Size:

4.8 ×13 ,16,19,20,25,30,32,35,38,40,45,50,55,60,65,70

5.5 ×19,20,25,30,32,35,38,40,45,50,55,60,65,70 ,80,90,100,120

6.3 ×19,20,25,30,32,35,38,40,45,50,55,60,65,70 ,80,90,100,120