factory good quality C1022 china screw flat head self drilling screw

Diameter:3.5mm-6.3mm,6#-14# Length:9.5-125mm Material:C1022 finish: phosphated and zinc

Self drilling screw

1) Standard: DIN, ASTM, AS, GB

2) Material: Stainless steel ss304 ss410 ss316, C1022

3) Diameter: 3.5mm~6.3mm, 6#~14#

4) Length: 9.5~125mm, 3/8"-5"

5) Thread: AB TYPE, A TYPE

6) Head Type: Pan Head, Flat Head, Hex Head, Bugle Head, Wafer Head, Truss Head

7) Point Type: Sharp Point, drilling Point

8) Drive Type: Phillips, Pozi, Combination

9) Finish: Plain, yellow/blue Zinc, Black Phosphate, Grey Phosphate, others

Package details: 

1. Bulk: 20kgs/ 25kgs in a plastic bag, then in carton, pallets

2. Small box: 500/1000 pcs in a small box, then in carton

3. Small box with pallet 500/1000 pcs in a small box, then in carton, pallet

4. According to your request

factory good quality C1022 china screw flat head self drilling screw