M8 x 30mm Captive Knurled Thumb Screw (~DIN 464) | A1 Stainless Steel
| Quantity |
Unit Price
(ex. VAT)
|
Unit Price
(inc. VAT)
|
|---|---|---|
| 1 - 49 | £8.62 | £10.35 |
| 50 - 99 | £7.67 | £9.20 |
| 100 - 249 | £6.90 | £8.28 |
| 250 - 499 | £6.28 | £7.53 |
| 500 - 999 | £5.75 | £6.90 |
| 1000 + | £4.92 | £5.91 |
£10.35 / each
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Product Specification
| Thread Size | M8 |
| Pitch | 1.25mm |
| Captive Diameter | 6.2mm |
| Thread Length | 30mm |
| Threaded Length | 16mm |
| Head Diameter | 30.42mm |
| Head Height | 18.0mm |
| Knurled Height | 6.0mm |
| Shank Diameter | 16.0mm |
| Material | A1 Stainless Steel |
| Standard | Similar to DIN 464 |
Frequently Bought Together
Total Price: £0.00
M8 x 30mm Captive Knurled Thumb Screw (~DIN 464) | A1 Stainless Steel | Vital Parts – THUM464CT-M8-30-A1
This M8 x 30mm Captive Knurled Thumb Screw (~DIN 464) | A1 Stainless Steel is built for applications where quick manual adjustment, reliable thread engagement and a captive-style fixing are needed. It features a M8 thread with a 30mm thread length and 16mm threaded length, giving the screw a defined fixing depth while the 6.2mm captive diameter helps retain the component within suitable captive screw assemblies. The 30.42mm head diameter, 18.0mm head height and 6.0mm knurled height provide a secure finger grip for tightening, loosening and repositioning without standard driver tools.
Made from A1 Stainless Steel with a self-colour finish, this screw is suitable for engineering, manufacturing and equipment maintenance environments where corrosion resistance and clean stainless appearance are required. The design is Similar to DIN 464, making it a useful DIN 464-style option for thicker panels, fabrication fixtures and access covers with greater stand-off depth where additional reach supports secure hand tightening.
What Are Captive Knurled Thumb Screws?
Knurled thumb screws provide a hand-adjustable fixing point for covers, guards and access panels. The textured head helps operators apply torque by finger pressure, while the captive feature helps keep the fixing close to the assembly when loosened. This M8 x 30mm screw is produced as a Similar to DIN 464 thumb screw.
Applications and Key Industries
These DIN 464-style captive knurled thumb screws are used across the UK in applications where a secure fixing must remain easy to operate by hand. Common use cases include:
- Equipment Panels: Hand tightening for M8 threaded covers, service plates and access doors.
- Fabrication and Assembly: Convenient manual fastening where a knurled head is preferred over a socket or slotted drive.
- Inspection Hatches: Captive-style screw retention for parts that must stay with the panel when loosened.
- Test Rigs and Fixtures: Fast repositioning for adjustable stops, covers and light-duty hold-down points.
Purchasers typically include equipment manufacturers, facilities teams, panel builders and technical purchasers who need dependable hand-adjustable stainless fasteners for serviceable assemblies.
Why Choose This Captive Knurled Thumb Screw?
Choose this M8 thumb screw when the fixing needs to be released and tightened quickly without a hex key, screwdriver or spanner. The 16.0mm shank diameter and knurled head profile make it suitable for repeat-use panels, while the A1 Stainless Steel construction supports dependable performance in indoor industrial environments.
Key Features
- Manual fastening control: Allows controlled tightening by hand where over-complicated driver access is not required.
- Retained assembly support: Captive diameter is designed for applications where the screw should remain with the panel.
- Reliable material choice: A1 Stainless Steel supports long-lasting use in clean industrial and equipment settings.
- Clear dimensional specification: Thread, head, shank and pitch data are listed for accurate technical selection.
Product Specifications
- Thread Size: M8
- Thread Length: 30mm
- Threaded Length: 16mm
- Captive Diameter: 6.2mm
- Head Diameter: 30.42mm
- Head Height: 18mm
- Knurled Height: 6mm
- Shank Diameter: 16mm
- Pitch: 1.25mm
- Standard: Similar to DIN 464
- Material: A1 Stainless Steel
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