M12 x 40mm Captive Socket Button Head Screw (~ISO 7380) | A4 Stainless Steel
| Quantity |
Unit Price
(ex. VAT)
|
Unit Price
(inc. VAT)
|
|---|---|---|
| 1 - 49 | £6.00 | £7.20 |
| 50 - 99 | £5.33 | £6.40 |
| 100 - 249 | £4.80 | £5.76 |
| 250 - 499 | £4.37 | £5.24 |
| 500 - 999 | £4.00 | £4.80 |
| 1000 + | £3.42 | £4.11 |
Product Specification
| Thread Size | M12 |
| Pitch | 1.75mm |
| Length | 40mm |
| Threaded Length | 24mm |
| Captive Diameter | 9.5mm |
| Drive | H8 |
| Head Diameter | 21.00mm |
| Head Height | 6.60mm |
| Material | A4 Stainless Steel |
| Standard | Similar to ISO 7380-1 |
Frequently Bought Together
Total Price: £0.00
M12 x 40mm Captive Socket Button Head Screw (~ISO 7380) | A4 Stainless Steel | Vital Parts - HBS73801CT-M12-40-A4
Our M12 x 40mm Captive Socket Button Head Screw (~ISO 7380) is manufactured from A4 Stainless Steel, offering a reliable fastening solution for applications where a low profile domed head and clean finished appearance are important. Based off ISO 7380-1, these button head screws are designed for use in engineering, fabrication, machinery, electronics, and general assembly where dependable performance and good corrosion resistance are required.
What Are Button Head Screws?
Button head screws are machine screws with a wide, low domed head and an internal drive, making them ideal for installations where a neater appearance and reduced head projection are preferred. Their rounded profile helps provide a smooth visible finish, while the machine thread makes them suitable for use with threaded holes, nuts, inserts, and tapped components across a wide range of industrial and commercial applications.
Common Applications
- Machinery Assembly: Ideal for guards, covers, housings, and general equipment construction.
- Engineering & Fabrication: Suitable for fabricated metalwork, brackets, and structural assemblies.
- Electrical & Electronics: Used in panels, housings, and compact assembled units.
- Maintenance & Repair: Reliable for replacement fastening in industrial, workshop, and service environments.
Technical Specifications
- Thread Size: M12
- Length: 40mm
- Head Diameter: 24mm
- Head Height: 9.5mm
- Pitch: 21.00mm
- Drive: 6.60mm
- Standard: Similar to ISO 7380-1
- Material: A4 Stainless Steel
- Head Style: Button Head
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