About this item

• Thread Size: 12mm; Thread Pitch: 1.75mm; Screw Length: 30mm (measured from under the head); Thread Coverage: Partial Thread
• Hex Drive Size: 18mm; Package Includes: 8 Pcs
• Material: 10.9 Grade alloy steel and Black Oxide Finish GB5789, greater strength than stainless steel and provide good corrosion resistant in dry environment.
• Head Height: 9.2mm (max); Flange Washer Diameter: 22.3mm (max)
• The extra large washer head helps to distribute the load. The one-piece design eliminates the need of a separate washer and can be more efficient and easier to use. A washer is still needed on the nut side. You could also easily find the stainless steel flange nuts in our store.