RS PRO Bright Zinc Titanium Hex Socket Cap Screw, Hex Socket, M3 x 40 mm
- RS Stock No.:
- 281-322
- Manufacturer:
- RS PRO
Bulk discount available
Subtotal (1 box of 100 units)*
SGD27.70
(exc. GST)
SGD30.19
(inc. GST)
FREE delivery for orders over $150, or create a business account to enjoy free delivery from just $28
In Stock
- Plus 3 unit(s) shipping from 09 March 2026
- Plus 64 unit(s) shipping from 09 March 2026
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Box(es) | Per Box | Per unit* |
|---|---|---|
| 1 - 4 | SGD27.70 | SGD0.277 |
| 5 - 9 | SGD27.12 | SGD0.271 |
| 10 - 29 | SGD26.30 | SGD0.263 |
| 30 + | SGD25.54 | SGD0.255 |
*price indicative
- RS Stock No.:
- 281-322
- Manufacturer:
- RS PRO
Specifications
Technical data sheets
Legislation and Compliance
Product Details
Find similar products by selecting one or more attributes.
Select all | Attribute | Value |
|---|---|---|
| Brand | RS PRO | |
| Product Type | Socket Screw | |
| Thread | Metric | |
| Length | 40mm | |
| Head Shape | Hex Socket Cap | |
| Material | Titanium | |
| Drive Type | Hex Socket | |
| Finish | Bright Zinc | |
| Standards/Approvals | ISO 7380 | |
| Screw Diameter | M3 | |
| Grade | 10.9 | |
| Select all | ||
|---|---|---|
Brand RS PRO | ||
Product Type Socket Screw | ||
Thread Metric | ||
Length 40mm | ||
Head Shape Hex Socket Cap | ||
Material Titanium | ||
Drive Type Hex Socket | ||
Finish Bright Zinc | ||
Standards/Approvals ISO 7380 | ||
Screw Diameter M3 | ||
Grade 10.9 | ||
RS PRO Socket Screws – Metric Button Head Screw
RS PRO hexagon button head screws feature a low profile, rounded, dome-shaped head with a hexagon drive.
These fasteners are ideal when a wider bearing surface is required and their black, self-colour finish ensures an attractive, quality appearance and finish wherever they are used.
Our RS PRO metric thread button head screws are produced in 10.9 grade black, self-colour steel. You tighten or undo them, using an Allen key.
Features and Benefits:
Various thread sizes available, including M3, M4, M5, M6 and M8
Manufactured from steel
Colour: Black
ISO 7380
Grade 10.9
Typical Applications:
Although uses may vary, as standard, these screws are fasteners for industrial equipment or machines which requires parts to be fixed onto a surface or together. The socket will need to be the same metric thread as the screw itself. As an example, some of the types of uses would be:
Fasteners and fixings
Machine tooling and repair
Security guarding
Electronic applications
Automotive industry
Domestic applications
FAQs
What is a socket screw?
Socket screws are defined by their name. They are a type of threaded bolt which screws into the intended socket. There are various thread sizes and lengths and can be used for both industrial and personal purposes. Good quality and reliable RS PRO socket screws ensure the fixing will remain strong and stable, whatever the application.
Note
Requires a Hex key
RS offer a range of hexagon socket button screws in black, self-colour steel. They are available in various thread sizes and lengths. Refer to the Datasheet and Range Overview download file for details.
If black, self-colour steel is not what you are looking for we also offer the hexagon button socket screw in bright zinc plated steel (BZP) finish in both A2 (304) and A4 (316) stainless steel.
RS offer a range of hexagon socket button screws in black, self-colour steel. They are available in various thread sizes and lengths. Refer to the Datasheet and Range Overview download file for details.
If black, self-colour steel is not what you are looking for we also offer the hexagon button socket screw in bright zinc plated steel (BZP) finish in both A2 (304) and A4 (316) stainless steel.
Standards
Threaded in accordance with ISO 7380 standard

