Thread Size: 1/4-20; Thread Pitch: 20 TPI; Screw Length (include the threaded and unthreaded part): 3/4 inch
Hex Drive Size: 3/8 inch; Package: 12 Pcs
Flange Washer Head Diameter: 14.2mm (max); Head Height: 7.1mm (max)
Material: 304 Stainless Steel 18/8. The stainless steel material provides excellent chemical and corrosion resistance. Perfect for indoor and outdoor projects. We advise you to consider 304/316/410 stainless steel for outdoor projects. You can also find black oxide finish flange hex bolts in our store. Send messages if you need them.