... -drilling point and pan head, checkered Philips head drywall screws with fine thread, coarse thread drywall screws, coarse thread drywall screws (black phosphated), color galv., screws with self ... : washer head, pan head, checkered Philips head, self-drilling point, coarse thread, fine thread 4) Available: bright, blued galv., black phosphated, color galv ...