2. Drive of male and female screw :Torx/6-Lobe Socket Drive,Hex Socket,Pozi/Cross
3. Metric and inch male and female screw ,or your requires
4. Material of male and female screw :Carbon steel, Alloy steel, stainless steel or according require
5. Lengh:Metric size from 4mm-20mm, Inch size from 1/8"-1".
6. Diameter :Metric size from M2-M16mm, Inch size from #4-#10
7. Surface of male and female screw :Plain, black finished, Zinc plated (Galv), Nickel, phosphate black, 3Cr zinc,Passivation
8. Packing :General packing: 15-20Kg per Carbon or Bag, approx 36-60 Carbon or Bag per a Pallet. or accoding require
9. Delivery time:within15days or based on your quantity.