Expanding Nuts For Sheet Metal

Hex washer head machine screw assembled to a slotted aluminum sleeve and epdm sealing washer.

Expanding nuts for sheet metal.

This also eliminates the danger of wire chafing or scratching on sharp screw cutting edges. Pem type sfn spinning flare nut is a one piece flanged hex nut that installs by simply pressing it into a properly sized prepunched embossed mounting hole. Expanded metal is a metal sheet that has been slit and stretched forming a diamond shaped mesh which is often times used as grates or outdoor furniture. Plastic expansion nuts are rugged nylon fasteners for applications where metal to metal contact is not desired.

Fasteners fleet and automotive hvac and refrigeration. Minimum embedment equals anchor length. An expansion bolt or screw is a multi component fastener that includes a bolt anchor and an expansion nut which can be tightened and loosened for reuse. Lead anchors provide quick installation of lightweight fixtures in masonry and concrete.

Nuts self retained threaded cagenuts. This squeezing process results in the cold flow of the sheet metal which is displaced by the nut s knurl. Not affected by chemicals or moisture. Available in steel for strength or stainless steel for both strength and corrosion resistance expansion bolts may include a coating or finish for additional protection against environmental or chemical degradation.

However screw threads are protected from corrosion or galvanic action because they are completely enclosed in plastic. Expansion type speed nut fasteners provide fast vibration resistant attachments in blind or center panel locations where only one side is accessible. Fab lok fasteners are a high strength fastener for blind fastening to light gauge steel high clamp up resist severe vibration weather tight. When properly inserted the knurl prevents torque out during the tightening of the mated part.

For use with sheet metal screws these expansion anchors allow you to secure medium to heavy loads in dead variable or vibratory conditions in all types of masonry and natural stone. The nut is permanently captive and still spins freely in the sheet. Insertion into holes in sheet metal is accomplished via application of a steady squeezing force. They snap easily into square or round holes and are self retained by spring legs.

Rubber well nuts brass insert expansion nut sae inch sizes 1 4 20 x 1 051 0 250 0 457 grip 0 500 inch hole qty 25 4 3 out of 5 stars 13 34 92 34. Nuts plastic and metal helicoid retaining cage nuts nuts rectangular base t nut 5 16 18 thread with 2 rivet.