M8 x 12 x 6. M8 x 14 x 6. M4 x 7 x 2. Square Nuts Square Thin Type Nuts GB /T 39 Carbon Steel Color Zinc Plated, Bright Zinc Plated. M6 x 10 x 3. M6 x 11 x 4. M6 x 12 x 4. M5 x 8 x 3.
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