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chipboard screw, drywall screw, self drilling screw, thread rods, self tapping screw, Manufacturer and Supplier - China(CN)
chipboard screw,self tapping screw/drilling screw (3030)
Chipboard ScrewsHeat Treated Case Hardened to Prevent Snapping 40 Degree Thread Angle, 25 Degree Point Angle Zinc, Yellow Zinc, Brass or Black Oxide available
PATTA self-drilling Chipboard screws have a coarse thread and fine shank to provide maximum grip and minimum strip out into chipboard, MDF board and soft timbers. The head has ribs molded around the countersunk head which help remove the chipboard particles when countersinking.
many kinds of specification
