Custom Grade 4.8/8.8 Nickel Plating Galvanized M3 M4 M6 Square Cage Nuts

Hex jam nut belongs hex type nuts which have a hex shape and is easy for a wrench to grip.

Nuts types

Hex type nut include hexagon nut, hex jam nut, hex slotted nut, hex flange nut, hex nylock nut;

Lock nuts include all metal lock nut, nylon insert lock nut

Eye nut include round eye nut like DIN582, and triangle or oval eye nut.

Eye nuts ,also known as ring nuts, are internally threaded nuts with a loop head which is to receive a hook or a rope.

Cap nuts, also known as acorn nuts, feature a hex nut base and domed head, cap nuts are designed to cover and protect exposed threads.

We have two types of cap nuts, one type with dome head, standard is DIN1587, the other type of cap nut has a lower profile.

Weld nuts,

We have hex weld nut, square weld nut, round base weld nut, tab base weld nuts.

Hex Weld nuts, feature a normal hex nut shape with projections for welding to another object. Hex weld nuts has three projections or six projections. More projection can make the hold of welded joint strongerl

Square weld nut has a square nut shape with four projections. Square weld nuts are designed to create a permanent fastening when welded to another object.

Insert Nut include wood insert nut used in furniture, rivet nut, and brass threaded insert nut;

Wood insert nut features an internal machine thread and external thread which make it easier to hold in wood panels and hard to pull out.

Thumb nut, also known as knurled nut, features a knurling on head, which makes the hand easy to grip and tighten.

Coupling nut include hex coupling nut and round coupling nut,

Coupling nuts, also known as coupler nuts, rod couplings, are used to join two threaded rod or pipes or other threaded parts. Hex Coupling nuts feature an external hex shape which is easier for a wrench, while round coupling nuts feature smooth round body.

Cage nuts have square nut and spring steel cage wrapped around the nuts. Cage nuts are usually used in server racks or mountaing rails, cage nuts have lugs that holds the nuts in position when cage compressed into the square holes. 

Cage nut kit usually comes with pan head machine screw and plastic cup washer, somestimes, machine screw and plastic cup washer is replaced by oval head machine screw with metal cup washer which is for the screw to sit in.