50pcs 1/4-20 Threaded Inserts for Wood Nut Inserts Furniture Screw in Nuts

1/4-20 threaded inserts for wood nut inserts, pack of 50
Threaded insert head diameter: 0.461" / 11.7mm, body diameter: 0.315" / 8mm, threads diameter: 0.410" / 10.4mm.
1/4-20 Insert nut goes into a predrilled hole in wood and has internal threads, the Screw-In insert offers a strong permanent thread for wood.
In Soft wood, recommended drill bits are 8.5mm, 9mm, 3/8 inch, (As best practice varies between applications, you should decide the proper drill bit yourself according to the hardness of your material.)
In Hard wood such as white oak or maple, recommended drill bits are 3/8 inch, 9.5mm, 10mm, (As best practice varies between applications, you should decide the proper drill bit yourself according to the hardness of your material.)

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