M2.5, M3, M4 Pozi Countersunk Machine Screws With Nuts. Pozi countersunk machine screws with nuts. Zinc Plated. M4, M5, M6, M8mm. M3, M4, M5, M6, M8. Manufactured from zinc plated steel. M4,M5,M6,M8 A2 Stainless Steel.
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