M3 x 20mm Cap Head Captive Screw (H2.5) (~DIN 912) | A2 Stainless Steel
| Quantity |
Unit Price
(ex. VAT)
|
Unit Price
(inc. VAT)
|
|---|---|---|
| 1 - 49 | £4.17 | £5.01 |
| 50 - 99 | £3.71 | £4.45 |
| 100 - 249 | £3.34 | £4.01 |
| 250 - 499 | £3.03 | £3.64 |
| 500 - 999 | £2.78 | £3.34 |
| 1000 + | £2.38 | £2.86 |
£5.01 / each
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Product Specification
| Thread Size | M3 |
| Pitch | 0.50mm |
| Length | 20mm |
| Captive Diameter | 2.2mm |
| Threaded Length | 6.0mm |
| Drive | H2.5 |
| Head Diameter | 5.5mm |
| Head Height | 3.0mm |
| Material | A2 Stainless Steel |
| Standard | Similar to DIN 912 |
Frequently Bought Together
Total Price: £0.00
M3 x 20mm Captive Socket Cap Head Screw | Similar to DIN 912 | A2 Stainless Steel
Designed for machinery guards, equipment covers and service panels, this M3 x 20mm retained cap head screw combines a socket cap head with a reduced captive section. Once installed with a suitable retaining feature, the screw can be loosened from its mating thread while remaining associated with the panel or component. A2 Stainless Steel provides good corrosion resistance for general engineering, machinery, equipment and indoor or suitably protected external applications.
What Are Captive Socket Cap Head Screws?
Captive Socket Cap Head Screws are specialist fasteners designed to stay attached to a panel, cover or component after the threaded portion has been loosened. A reduced captive section works with a compatible panel, washer, sleeve or retaining feature so the screw can remain retained instead of falling free.
Common Applications
- Jigs and Fixtures: Keeps adjustment or access fasteners associated with suitable workshop fixtures and production tooling.
- Laboratory Equipment: Supports retained panel fixing on instruments and serviceable technical equipment.
- Fabricated Housings: Provides a captive fastening format for custom covers, guards and equipment enclosures.
- General Engineering: Useful where a screw needs to remain attached to the assembly after disengaging from its mating thread.
M3 x 20mm Captive Socket Cap Head Screw Dimensions
- Thread Size: M3
- Length: 20mm
- Threaded Length: 6.0mm
- Captive Diameter: 2.2mm
- Head Diameter: 5.5mm
- Head Height: 3.0mm
- Drive: H2.5
- Pitch: 0.50mm
- Standard: Similar to DIN 912
- Material: A2 Stainless Steel
Key Benefits
- 6.0mm threaded length provides the portion that engages the mating internal thread.
- 5.5mm head diameter gives the stated DIN 912-style cap head width.
- 0.50mm metric pitch matches the stated thread specification.
- A2 Stainless Steel construction provides the specified stainless steel grade and corrosion resistance.
Browse the complete Cap Head Captive Screw collection for alternative dimensions and materials. If a cap head is not the right profile, see our full Captive Screws range where we also stock countersunk captive screw options. We can help you choose the correct option on 01233 713581.
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