30pcs M4×22mm+6mm 304 stainless steel Pillars Standoff Spacer male female cylinder PCB motherboard spacer

★ Durable enough.The threads hold up just fine to the fair amount of torque you apply to them.No cross threading.They won't come loose or shift around.Strong insert and solid thread tolerance can make your projects long-lasting.
★ Won’t hurt your hand.Go in cleanly.Don't have to worry about them bumping into other items.The screws are long enough that thread through the mounting standoffs easily.
★ Easy to be joined.Just need to put another new screw into bottom hole of the cylinder screws,and connect the upper and lower boards.The nuts and bolts made from sturdy material are handy.The screws and nuts are precise,very strong.Mounting boards or sensors into enclosures so they stay securely.
★ Versatile use:Great to have on hand for furniture projects,electronic workbench,drone place motherboard.
★ Nice look.The cylinder screws make the installation clean looking.These are 304 stainless steel standoffs bolts nuts.The threads work flawless,no mold flash on one of the parts,nor sharp edges.