M8 x 12mm Thin Knurled Thumb Screw (DIN 653) | A1 Stainless Steel

Product code: THUM653-M8-12-A1
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M8 x 12mm Thin Knurled Thumb Screw (DIN 653) | A1 Stainless Steel
M8 x 12mm Thin Knurled Thumb Screw (DIN 653) | A1 Stainless Steel
M8 x 12mm Thin Knurled Thumb Screw (DIN 653) | A1 Stainless Steel
M8 x 12mm Thin Knurled Thumb Screw (DIN 653) | A1 Stainless Steel
Quantity
Unit Price
(ex. VAT)
Unit Price
(inc. VAT)
1 - 49 £4.07 £4.88
50 - 99 £3.52 £4.23
100 - 249 £3.12 £3.74
250 - 499 £2.72 £3.26
500 - 999 £2.51 £3.01
1000 + £2.27 £2.73
£4.88 / each
Quantity:


Product Specification
Thread Size M8
Thread Length 12mm
Pitch 1.25mm
Head Diameter 30mm
Head Height 6.0mm
Standard DIN 653
Material A1 Stainless Steel

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M8 x 12mm Thin Knurled Thumb Screw (DIN 653) | A1 Stainless Steel

Designed for larger machine guards and engineering fixtures, this M8 x 12mm thin knurled thumb screw combines a slim 6.0mm head with a 30mm knurled diameter for secure finger grip. The 12mm thread gives general-purpose engagement for covers, brackets and compact assemblies while the A1 Stainless Steel construction makes it a practical choice for assemblies that need regular tool-free access.

What Are Thin Knurled Thumb Screws?

This type of knurled fastener is intended for controlled hand tightening. The slim round head keeps the fixing close to the component surface and the textured edge makes repeated removal practical on equipment that is inspected, serviced or reconfigured regularly.

Common Applications

  • Engineering Fixtures: Provides hand-operated fastening for robust jigs and production tooling.
  • Machine Guards: Secures larger covers that require repeated removal for maintenance.
  • Test Rigs: Allows substantial fixture elements to be repositioned during setup.
  • Industrial Panels: Provides accessible fastening for equipment covers and inspection points.

M8 x 12mm Thin Knurled Thumb Screw Dimensions

  • Thread Size: M8
  • Thread Length: 12mm
  • Pitch: 1.25mm
  • Head Diameter: 30mm
  • Head Height: 6.0mm
  • Material: A1 Stainless Steel
  • Standard: DIN 653

Key Benefits

  • Tool-free operation supports faster routine access and adjustment
  • Reusable screw connection suits equipment that is frequently opened or repositioned
  • 12mm thread offers general-purpose engagement for covers, brackets and compact assemblies
  • A1 Stainless Steel provides a durable self-colour finish for general engineering use

View the full Thin Knurled Thumb Screw DIN 653 range for other thread sizes and lengths or browse Knurled Fasteners for alternative hand-operated profiles. For help matching the screw to your assembly, contact the Vital Parts technical sales team on 01233 713581.

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