Straight-shank, uniform-thread screws driven into tapped holes or nuts; available in pan, flat, round, and truss heads with slotted, Phillips, or combination drives across fine and coarse machine series.
Conforms to

Uniform machine thread for tapped holes and nuts.
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-MCS
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.
Cylindrical hex-drive head, high-tensile precision screw.
M3–M24 · #4–1"
Forms or cuts its own mating thread in metal and plastic.
#4–#14 · Ø2.9–Ø6.3 mm
The standard six-sided nut for threaded assemblies.
M3–M48 · #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.