The baseline internally threaded counterpart — full, jam (thin), and heavy patterns to ASTM A563 and DIN 934, grade-matched to the bolt for full joint strength.
Conforms to

The standard six-sided nut for threaded assemblies.
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-HXN
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.
Nylon insert ring grips threads to resist vibration loosening.
M3–M36 · #4–1-1/2"
Integral serrated flange spreads load and locks against backout.
M5–M20 · 1/4"–3/4"
Six-sided structural workhorse for nut or tapped-hole joints.
M5–M48 · 1/4"–2"
Spreads clamp load and protects the bearing surface.
M3–M36 · #6–1-1/2"
Grade, material, finish, and standard — matched to your joint and quoted from stock. Tell us the load case and we’ll confirm the line.