- Electronics enclosures and component mounting.
- DIY, fabrication and general mechanical assemblies needing a flush countersunk finish.
Product Overview & Description
M3 x 20mm Torx countersunk machine screw in SS304 stainless steel. The countersunk head is designed for a flush finished surface, while the Torx recess provides positive driver engagement.
Reference specification: M3 diameter, 20 mm length, 0.5 mm pitch and T10 Torx driver.
Technical Specifications & Dimensions
Engineered fastener properties, thread tolerances, and tooling standards.
Thread SizeM3
Length20 mm
MaterialSS304 Stainless Steel
Head StyleCountersunk
Drive StyleTorx (Star)
Finish / CoatingNatural Stainless
Thread Pitch0.50 mm
Fastener TypeMachine Screw
Family / Series CodeTORX-CSK-M3-20
Thread DirectionRight Hand
Thread CoverageFully Threaded
Recommended ToolT10 Torx screwdriver / bit
Dimensional Data & Size Matrix
| Thread Size | M3 |
|---|---|
| Length | 20 mm |
| Thread Pitch | 0.5 mm |
| Material | SS304 Stainless Steel |
| Head Style | Countersunk (CSK) |
| Drive | Torx / Star |
| Recommended Driver | T10 |
Engineering & Application Notes
Nut not included. Verify mating thread and countersink geometry before assembly.
Applications, Installation & Handling
Practical engineering instructions, driver tooling advice, and care recommendations.
Install with a T10 Torx driver/bit. Seat the countersunk head flush without over-tightening.
Use with compatible M3 x 0.5 metric threads or an appropriate M3 nut.
1 × Torx countersunk screw; nut not included
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