M4 Countersunk Solid Metal Finishing Cup Washer A4 Marine Grade Stainless Steel Washers (Pack of 20)

Solid Finish Washers M4 M5 M6 M8 - Pack of 10 and 20 units Manufactured from A4 Stainless Steel - Marine Grade - The superior corrosion resistance of these A4 grade finishing washers make them a great choice for sailing, motor boating and other water-sports applications. These finishing washers are turned from a solid piece of stainless steel. Far superior finish when compared to standard pressed cup washers. These washers will give a top class finish to any project. Being solid stainless steel they also offer strength and durability. M4; hole diameter 4.3mm, outside diameter 11mm, height 2.5mm. M5; hole diameter 5.3mm, outside diameter 14mm, height 3mm. M6; hole diameter 6.4mm, outside diameter 16mm, height 3.5mm. M8; hole diameter 8.5mm, outside diameter 22mm, height 4.5mm.