No Head Screws

1) Material:Iron, Stainless Steel(201,304),  Brass

2) Inner Diameter (mm): M2, M2.5, M3, M4, M5, M6, M8, M10, M12, M14, M16, M18, M20, M22, M24, M27, M30

3) Outer Diameter (mm): M6, M8, M9, M10, M12, M14, M15, M18, M20, M22, M23, 27, M33, M38, M40, M50

4) Thickness (mm): M0.5, M0.8, M1, M1.2, M1.5, M1.8, M2, M2.5, M3, M3.5, M4, M5

5) Surface:White Nickel, Black Nickel, White Zinc, Black Zinc, Black Plated,ROHS

6) Plain Washers Standard: GB97.1-85, DIN125-A, ISO7089     

7) Spring Lock Washers Standard: GB93-87, DIN127-B         

8) Circlips for holes Standard: GB893.1-86, DIN472

9)Target Market: Europe, Asian, Middle East , America

10) Main Equipment: CNC lathe, automatic lathe, grinder, thread rolling machine, tapping /drilling machine etc