Uxcell Brass Male-Female Hex Standoff Screw Nut Kit 20 Sets 22mm+6mm

Made of 40Cr Steel material black oxide finish hex socket flat head left hand reverse thread design. Fixing component industrial and construction fasteners. To tighten a reverse threaded screw you turn it counter clockwise.To loosen a reverse threaded screw you turn it clockwise. Used widely in home office and factory appliance communication equipments ship assembly and other machinery industry.

Square U bolts are typically used for attaching pipe or steel round bar to a round wood or steel post. Another common application is to hang wrought iron pipe in mechanical installations. Suitable for automotive plumbing and other home and industrial applications. 304 stainless steel offers corrosion resistance for all of your functional hardware needs.