1/4-20 threaded insert x 15mm length, 6mm allen wrench included, best 1/4-20 threaded insert wood insert furniture screw in nut connector screws.
1/4-20 wood Threaded Inserts are inserted nuts that go into a predrilled hole in the wood and have internal threads., These wood insert nuts feature
40 Pieces 1/4-20 Threaded Inserts For Wood Nutsert Furniture Screw-in Nut 20mm Length Hex Drive
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Wood Threaded Insert 1/4-20 x 10mm 15mm 20mm Length Screw in Insert Nut Kit for Wood Furniture 60 Pieces : : Tools & Home Improvement
1/4-20 Threaded Inserts for Wood 15mm 20mm Hex Drive Socket Insert Nut 1/4-20 T Nuts for Wood - 100 Pieces : : Tools & Home Improvement
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Threaded Inserts for Wood 1/4-20 Furniture Screw in Threaded Insert Nuts 20mm Length Pack of 40 – VXB Ball Bearings