Pack of 500 coarse thread square drive self tapping wood screws used with PH/JIG/AK.
Ideal for softer timbers MDF plywood and particle board as thread gives better holding power.
Square drive self tapping screws for use with a No.2 square drive bit to resist slipping (cam out).
Large dome head.
Zinc coated.
Self tapping tip to drill own hole without splitting.

Specification:
Thread=Coarse
Size=No.7/8 (4.3 mm) x 30 mm
Material=Steel
Finish=Zinc coated