Nyloc Nuts. M4 / M5 / M6 / M8 / M10 Socket Countersunk Bolts – Black Zinc High Tensile (with Nyloc Nuts & Washers). Includes: 1 × Bolt, 1 × Nyloc Nut, 1 × Washer. Countersunk Bolts. Sizes Available: M4 × 0.7mm, M5 × 0.8mm, M6 × 1.0mm, M8 × 1.25mm, M10 × 1.5mm.
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