Countersunk Bolts. M4 / M5 / M6 / M8 / M10 Countersunk Socket Screws – A4 Marine Grade Stainless Steel (with Nuts & Washers). Sizes Available: M4 × 0.7mm, M5 × 0.8mm, M6 × 1.0mm, M8 × 1.25mm, M10 × 1.5mm.
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