

CSK Screw,drilling with wing can be easily fix drywall metal profile with gypsum board system and it has been widely applied in constructions, furniture manufacturing and packaging applications due to unique design and excellent performance; In addition, when select drywall screws you also needs to consider some factors such as material, specifications and length to ensure them adapt to different usage needs in different applications.
Specification:
Type: csk screws, self drilling with wing
Size: M3.5 – M6.3(#6 ~ #14)
Length: 9.5 ~ 200mm (3/8” ~ 8”)
Head type: countersunk head, CSK head
Material: carbon steel C1018 and C1022 hardened
Self tapping=sharp point, Self drilling=tek point;
Finished surface: Black phosphate, white Zinc plated, yellow Zinc