Torx Recess Wood Screw
Countersunk timber screw with a Torx recess that pulls flush into the surface.

The countersunk Torx wood screw is the workhorse of modern timber construction. It sinks flush, it takes an impact driver without complaint, and it can be driven in long lengths without a pilot hole in softwood. Everything that makes it work is in two details: the countersunk head profile and the Torx socket that refuses to cam out.
Compared with a traditional slotted or Phillips wood screw, the difference shows up in installation time rather than in ultimate strength. A fixer running a deck can drive these continuously from a belt-mounted driver and finish the day without a single rounded head.
Why buyers choose it
- Countersunk head pulls flush into softwood without a separate counterbore
- Torx socket takes full impact driver torque without slipping
- Available in alloy steel to grade class 10.9 for structural use
- Finish options from self colour through to hot dip galvanising
Send the timber species, the length ladder you need and whether the fixing is external and the size will be confirmed against the closest standard before quoting. Samples of this item are free of charge.
Specification
| Standard | ASME, ASTM, IFI, ANSI, DIN, BS, JIS |
|---|---|
| Material | Carbon Steel, Alloy Steel |
| Grade / Class | 4.6, 4.8, 5.6, 8.8, 10.9, SAE J429 Gr. 2, Gr. 5, Gr. 8, A307 A/B, A394, A449 |
| Thread | M, UNC, UNF, BSW |
| Finish | Self Colour, Plain, Zinc Plated (Clear/Blue/Yellow/Black), Black Oxide, Nickel, Chrome, HDG |
| Packing | 15 KGS/CTN, 48 CTN/Solid Wood Pallet |
| Loading Port | Shanghai or Ningbo |
| Minimum Order | 500 kg |
| Payment | T/T, L/C |
| Samples | Free of charge |
| Main Markets | EU, USA, Canada, South America |
Specification as published by Haiyan Ehons Industrial Co., Ltd.. Length and thread length are both open; a partial thread with a plain shank is a normal option.
Technical detail
| Standards | Produced to ASME, ASTM, IFI, ANSI, DIN, BS and JIS references. |
|---|---|
| Material | Carbon steel or alloy steel. |
| Grade class | 4.6, 4.8, 5.6, 8.8 and 10.9; SAE J429 Gr.2, Gr.5 and Gr.8; ASTM A307 A/B, A394 and A449. |
| Thread | Metric, UNC, UNF and BSW. |
| Finish | Self colour, plain, zinc plated in clear, blue, yellow or black, black oxide, nickel, chrome and hot dip galvanised. |
Problems this screw solves
Screws stand proud and catch
On a walking or touching surface a proud head is a hazard. The countersunk profile draws itself in as the head reaches the timber.
Pre-drilling doubles the labour
In softwood the sharp point starts without a pilot, which removes a whole pass from the job.
Drives fail before the screw does
Torx transmits torque through flat walls rather than tapered flanks, so the recess survives the whole screw length.
Where it is used
- Deck board fixing where the head must sit below the walking surface
- Timber cladding and batten fixing on facades
- Furniture and staircase assembly in solid timber
- General carpentry where a flush finish matters more than removability
Who buys it
Carpenters, deck and cladding contractors, timber merchants and furniture makers who want a flush fixing that survives repeated power driving.
Quality control priorities
The countersink angle and the transition from head to shank are gauged on this part, because a badly formed underhead leaves a ring of crushed fibre instead of a clean seat. Torx socket depth is checked with a plug gauge on samples from each run.
Customisation
Thread length relative to overall length is the usual customisation. A partial thread with a plain shank under the head lets the screw pull two boards together instead of jacking them apart, and that ratio can be set per order.
How it compares
Against the hexagon head version
Same drive quality, different seating. Use this one when the head has to disappear into the surface.
Against a chipboard screw
The chipboard screw is optimised for engineered panel and has ribs under the head. This one is aimed at solid timber.
Against a Phillips wood screw
Only the drive differs, and it differs decisively under power. A Phillips version is still available where hand driving is the norm.
Installation notes
Skip the pilot in softwood
The sharp point starts unaided. Reserve pilot drilling for hardwood, for board edges and for anything within 20 mm of an end grain.
Match the bit exactly
A Torx bit one size down will chew the socket on the first high torque screw.
Set clutch depth
Over-driving a countersunk head into softwood buries it and loses pull-through resistance in the top board.
Choose finish before you order
Retro-fitting a coating is not possible; the finish is applied in production.
Frequently asked questions
Do I need to pre-drill?
What lengths can you supply?
Is stainless steel available for this item?
What finish is best for cladding?
What is the minimum order?
How long does production take?
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Packed 15 KGS/CTN, 48 CTN/Solid Wood Pallet. Loading at Shanghai or Ningbo. Minimum order 500 kg for this item.