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countersunk screw self drilling, also called CSK screws can be easily fix drywall metal profile with gypsum board system and it has been widely applied in constructions, furniture manufacturing and packaging applications.

Specification:

Type: countersunk screws,self drilling

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: white Zinc plated, yellow Zinc