M8 x 20 mm Security Post Torx Metal Thread Screw, 304 Stainless Steel - YBXSA2M8X20
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The Security Button Post Torx Metal Thread Screw, Stainless Steel is a post Torx security screw with a Torx recess that includes a centre pin, so it needs a matching security Torx bit to drive it. It has a metal (machine) thread for a nut or tapped hole..
You can choose from 26 variants, covering sizes M4 to M10 and lengths 10 mm to 60 mm. Each variant is supplied in packs of 100.
Made from 304 (A2) stainless steel, a standard austenitic grade with good everyday corrosion resistance. It is a sound choice away from the coast; in chloride-exposed settings, step up to 316 (A4). Metric sizes are written M followed by the nominal thread diameter in millimetres, so M10 is a 10 mm thread.
Stainless threads can gall (seize) when tightened under load or at speed. A smear of anti-seize on the thread and a steady tightening speed reduce the risk.
Where this product is used
- Public-area fixtures, signs and enclosures
- Kitchen, bathroom and laundry fixtures
- Small sizes for enclosures, instruments and light fittings
- Outdoor structures away from the coast
- Equipment that should resist casual tampering
- Indoor architectural and joinery work
Features
- Metric thread sizes match the nuts, bolts and tapped holes in most Australian-supplied equipment
- Machine thread for a nut or tapped hole
- Lengths from 10 mm to 60 mm
- Supplied in packs of 100
- Centre pin in the Torx recess resists standard drivers
- A2 (304) stainless steel for indoor, fresh water and general outdoor use
Key specifications
| Specification | Detail |
|---|---|
| Product | Security Button Post Torx Metal Thread Screw |
| Type | Post Torx security screw with a Torx recess that includes a centre pin |
| Material | A2 (304) stainless steel |
| Number of variants | 26 |
| Length range | 10 mm to 60 mm |
| Sizes available | M4 to M10 |
| Fitting tip | Use anti-seize on the thread to reduce galling |
| Magnetic response | Generally non-magnetic (austenitic); cold-worked parts can show weak magnetism |
| Environment | Indoor, fresh water and general outdoor use |
| Thread system | Metric |
| Drive | Post Torx |
| Supplied in packs of | 100 |
| Key features | Centre pin in the Torx recess resists standard drivers; Machine thread for a nut or tapped hole |
Selecting the right option
A security screw only deters casual tampering. A matching post Torx bit is needed to fit or remove it. Check the variant for the bit size.
Related products
Also available: Security Countersunk Post Torx Metal Thread Screw - Stainless Steel.
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Security Button Post Torx Metal Thread Screw - Stainless Steel: M8 / 20 mm
SKU: A0157849 | Model: YBXSA2M8X20
YBXSA2M8X20: M8 x 20 mm security post Torx metal thread screw, 304 Stainless Steel. Sold in a pack of 100.