Coarse single-lead threads with a smooth shank under the head and a sharp gimlet point pull timber tight; flat, round, and oval heads in slotted, Phillips, and square drives.
Conforms to

Coarse, deep thread with a tapered point for timber.
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-WDS
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.
Corrosion-resistant exterior screw with a reinforced thread.
#8–#10 · Ø4.0–Ø4.8 mm
Heavy hex-head wood screw for high-withdrawal timber fixing.
1/4"–3/4" · M6–M20
Bugle head and fast thread for board to stud.
#6–#8 · Ø3.5–Ø4.2 mm
Fully threaded, sharp thread for thin-gauge metal.
#4–#14 · Ø2.9–Ø6.3 mm
Grade, material, finish, and standard — matched to your joint and quoted from stock. Tell us the load case and we’ll confirm the line.