Threaded Inserts Into Hardwood

Threaded in inserts are best for softer woods and plywood.

Threaded inserts into hardwood.

Commonly available in sizes from 8 32 a 8 screw body with 32 threads per inch to 3 8 16 a 3 8 screw body with 16 threads per inch there are two basic types of threaded inserts. Drill a hole the size of the body into the wood for the threaded metal insert. Use thread in inserts in softer woods and plywood where their coarse outside threads cut easily into the surrounding wood. Working with hard woods such as oak and maple or working close to the edge of the wood can result in splitting the wood.

That s not how you re supposed to drive the threaded insert. They re often used in wood that has been cut across the growth rings. Ridges on the barrel of these inserts make them less likely to split hardwood than inserts with prongs. Most types of threaded inserts including externally threaded barbed and grooved rivet nuts and tee nuts remain stationary against thread friction.

E z knife threaded inserts for hardwood use a proprietary external knife thread to slice into the wood and provide superior holding power. Threaded inserts are fasteners that are used to convert threads between inch and metric repair stripped threads or create long lasting threads in or plastic metal wood or composite materials. Thread in threaded inserts first off one end may have notches cut into it as though you re supposed to use a slotted flat head screwdriver to drive it. Thread in and press in shown above.

These inserts normally have a continuous external thread and made of steel or brass for the highest quality applications. The insert is threaded onto the bolt till it is against the lower nut then you hold the drill as close to a right angle as you can get and put the insert in. Their coarse outer threads cut cleanly into wood applications. Use low speed about 1 2 rotations per second.

For additional corrosion resistance stainless steel knife thread inserts are used with 8 32 10 24 and 20 internal threads. Comparing threaded inserts for wood. Knowing how to differentiate them will help you select the proper type for you. Inserts for hard wood screw in style speed hex and slot drive allows for quick engagement.

If the threads extend all the way to the end and the notches cut through the threads then forget intuition. The three types of threaded inserts for wood we offer are the following. E z knife e z hex and e z fin. E z lok s threaded wood inserts are available in a variety of options.