Roofing Bolts with Square Nuts - Zinc M6 x 70 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. MOQ 1 Nut Type Square MOQ Increment 1 Thread L (mm) 70 Material Carbon Steel Corrosion Rating (1-5) 1 - Clean, dry & low humidity environments Head Ø (mm) 14 Thread Type Metric Recess Type Cross Thread Ø (mm) M6 Finish Zinc Point Type B Point Included Items M6 Square Nuts Substrates Hardwood, Softwood, Plastic, Steel, Thin Sheet Metal Nut Socket Size (mm) 11 Nut Size (mm) M6 Head Type Dome Thread Coverage Fully Threaded