M6-1.0 Marine Grade Stainless Steel Button Head Socket Cap Screws. These are made from A4 (316) Stainless Steel to hold up under extreme corrosive environments.

Available in 8mm - 60mm lengths

Diameter : M6 / 6mm
Thread Size : 1.00 - UNC / Coarse Thread (Standard)
Length : Please select from drop down menu above.
Type : Button Head Socket Cap Screw
Matching Nut & Washers: M6 - Available here
System of Measurement : Metric
Material : Stainless Steel Grade A4 (316)
Specifications : ISO 7380 / DIN 9427

 MonsterBolts Monster Bolts Fasteners Marine A4 M6 ISO7380 Spec Sheet