Sealey Machine Screw M8 x 20mm Countersunk Pozi Zinc DIN 965Z Pack of 50 MSC820. Machine screws with Pozi countersunk head. Manufactured to DIN 965Z. Supplied in resealable bag. Pack of 50. Model No. MSC820. Weight 0.39kg. Nett Weight 0.73kg. Pack Qty 50. Pitch 1.25mm. Size M8 x 20mm.