A barrel of internal thread with a pronged or three-claw flange presses into timber and panel to leave a flush, repeatable machine thread for knock-down furniture and jigs.
Conforms to

Pronged flange embeds in wood for a durable metal thread.
A cross-section of stocked configurations. Not exhaustive — diameters, lengths, grades, and finishes extend across the full range on request.
Representative specifications — not exhaustive · NXB-TNT
Match the line to the load, the environment, and the standard it answers to.
Materials
Finishes
Standards
Typical applications
Served industries
Mating parts and adjacent lines engineers reach for alongside this one.
The standard six-sided nut for threaded assemblies.
M3–M48 · #4–2"
Twin wings for repeated hand tightening, no tools.
M3–M16 · #6–1/2"
Four flats for greater wrench grip and channel seating.
M4–M24 · #8–1"
Uniform machine thread for tapped holes and nuts.
#2–1/2" · M2–M12
Grade, material, finish, and standard — matched to your joint and quoted from stock. Tell us the load case and we’ll confirm the line.