1/4"-20 Furniture Screws Threaded Inserts set:
160 pieces 4 Size 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:
Furniture Screws: 1/4"-20
External Diameter:0.410”(10.5mm)
inside Diameter: 0.315”(8mm)
Total Length: 10mm/15mm/20mm/25mm
Drill: 9.0mm
Hex Spanner: 6mm

Quantity:
40 x 1/4"-20x10mm
40 x 1/4"-20x15mm
40 x 1/4"-20x20mm
40 x 1/4"-20x25mm
1 x Drill
1 x Hex Spanner
1 x Box

Note: Small objects and sharp drill bits, please keep away from children