Next-generation wood screws

Wood dries, warps, cracks and moves. Nine short chapters on screwing it safely: why wood splits and how self-tapping tips prevent it, self-countersinking heads, Torx versus cross recess, reinforced head-to-shank transitions, stainless versus galvanised, hardened C1 for hardwoods, driving-easing coatings and hole-widening ribs.

A carpenter from a 50-year dynasty ordered 1028 stainless Torx decking screws for a Buda carport whose roof doubles as a terrace. No pre-drilling, no splitting, no snapped heads – and a job that usually takes two days finished in one. Even the owner noticed the screws were not the usual yellow.

Twenty-two next-generation NONOX wood screws in one place: chipboard, decking, scaffold/coach and floor fixing screws in stainless A2, A4 and hardened C1, with Torx or Pozidrive drives, self-drilling and self-tapping tips, hole-widening ribs and driving-easing coatings. Sizes from Ø 3×10 to 8×400.

Ten typical complaints from the workshop — rust stains, broken heads, hardwood, bits slipping out of the drive, endless pre-drilling, split layers — each with a NONOX wood screw that answers it, plus the comparison table and the abbreviation legend for reading it.

A flooring specialist with decades of experience decks a houseboat with 2000 self-drilling, self-countersinking NONOX stainless wood screws — no pre-drilling, no countersinking, a single bit for the whole job and two breakages. His verdict on the Torx drive, the reinforced neck and the price.

Not all wood screws are alike. Three NONOX examples for different jobs: a countersunk self-drilling screw with Torx drive in A2, a 60° floor fixing screw with hex socket for tongue-and-groove edges, and a self-tapping fast-build screw in A4 — with their features and size ranges.

The boards can be fixed to the joist with simple wood screws too, but for a long-term solution use screws developed expressly for decking. Hardened martensitic stainless steel, self-tapping point, wavy thread, hole-enlarging rib and a Torx drive.