Roofing Bolts with Square Nuts - Zinc M6 x 35 Manufactured with a large flat head, which distributes the load across the fixing to increase the clamping effectiveness. Making it ideal for clamping thin sheet metal, plastic and wood. Material Carbon Steel Nut Size (mm) M6 Thread Type Metric Nut Type Square Corrosion Rating (1-5) 1 - Clean, dry & low humidity environments MOQ Increment 1 Recess Type Cross Head Ø (mm) 14 Thread L (mm) 35 Included Items M6 Square Nuts Thread Ø (mm) M6 MOQ 1 Finish Zinc Substrates Hardwood, Softwood, Plastic, Steel, Thin Sheet Metal Nut Socket Size (mm) 11 Point Type B Point Head Type Dome Thread Coverage Fully Threaded