1/4"-20 Furniture Screws Threaded Inserts set:

80 pieces 1/4"-20 Furniture Screws Comes with 9.0mm White steel twist drill and 6mm Hex Spanner.
Features of insert nut:

These threaded inserts are inserted into a pre-drilled hole by screwing in, in that case the external protrusions bite into the wood, preventing the nut from either turning or pulling out.
Suitable application:

Easy to install and with good stability, have a good effect in the furniture combination, suit for all Furniture woods of pine, plywood, fiberboard, etc..
How to use:
pre-drill/ drill a suitably sized hole and enter with an Allen tool screw.
PS:1. The hole depth is 1-2mm longer than furniture screw;
2.If that hardness of the wood material is high, enlarged a little bit the screw hole to fit the screw.
Specification: Material:

high hardness and high quality carbon steel
Size:

Thread Type: 1/4"-20
External Diameter:0.410”(10.5mm)
Inside Diameter: 0.315”(8mm)
Total Length: 10mm.
Drill: 9.0mm
Hex Spanner: 6mm
Quantity:

80 x Furniture Screws
1 x Drill
1 x Hex Spanner
Note: Small objects and sharp drill bits, please keep away from children