Pozidriv Countersunk Machine Screws - Steel Black Finish

One type of Machine screw is Pozidriv Countersunk Machine Screw Steel Black Finish  which is tighten by a screw driver. which is non-corrosive. Pozi pan machine screws are manufactured to International standards. Chemical black finish for use where bright product is not acceptable.The Design provides improved engagement and contact with the screwdriver and prevent ejection force with tightening and loosening the machine screw. DIN 965. Countersunk head gives a flush finish in a suitable hole