M10 x 40mm Thin Knurled Thumb Screw (DIN 653) | A1 Stainless Steel

Product code: THUM653-M10-40-A1
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M10 x 40mm Thin Knurled Thumb Screw (DIN 653) | A1 Stainless Steel
M10 x 40mm Thin Knurled Thumb Screw (DIN 653) | A1 Stainless Steel
M10 x 40mm Thin Knurled Thumb Screw (DIN 653) | A1 Stainless Steel
M10 x 40mm Thin Knurled Thumb Screw (DIN 653) | A1 Stainless Steel
M10 x 40mm Thin Knurled Thumb Screw (DIN 653) | A1 Stainless Steel
M10 x 40mm Thin Knurled Thumb Screw (DIN 653) | A1 Stainless Steel
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Unit Price
(ex. VAT)
Unit Price
(inc. VAT)
1 - 49 £61.71 £74.05
50 - 99 £53.48 £64.18
100 - 249 £47.31 £56.77
250 - 499 £41.14 £49.37
500 - 999 £38.06 £45.67
1000 + £34.56 £41.47
£74.05 / each
Quantity:


Product Specification
Thread Size M10
Thread Length 40mm
Pitch 1.50mm
Head Diameter 36mm
Head Height 8.0mm
Standard DIN 653
Material A1 Stainless Steel

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M10 x 40mm Thin Knurled Thumb Screw (DIN 653) | A1 Stainless Steel

Providing a neat tool-free fixing for engineering equipment requiring robust hand-operated fastening, this M10 x 40mm DIN 653 thumb screw has a 36mm diameter head with a slim 8.0mm profile. The 40mm threaded section and 1.50mm pitch are suited to repeatable fastening where covers, fixtures or components need regular removal.

What Are Thin Knurled Thumb Screws?

Thin knurled thumb screws are manually operated fasteners intended for assemblies that are opened, adjusted or repositioned without tools. The round head is textured around its edge to improve finger grip while the thin DIN 653 profile reduces head height compared with taller thumb screw styles.

Common Applications

  • Engineering Equipment: Supports repeated access to guards, plates and service assemblies.
  • Production Fixtures: Allows larger setup components to be adjusted without a separate driver.
  • Maintenance Panels: Provides a visible manual fixing for equipment inspected on a routine basis.
  • Workshop Assemblies: Fastens substantial removable components where controlled hand torque is appropriate.

M10 x 40mm Thin Knurled Thumb Screw Dimensions

  • Thread Size: M10
  • Thread Length: 40mm
  • Pitch: 1.50mm
  • Head Diameter: 36mm
  • Head Height: 8.0mm
  • Material: A1 Stainless Steel
  • Standard: DIN 653

Key Benefits

  • DIN 653 dimensions simplify selection for standardised assemblies
  • Low-profile head is useful on visible panels where a discreet fixing is preferred
  • 36mm knurled head diameter provides a positive hand grip
  • 1.50mm metric pitch matches the uploaded M10 specification

Browse neighbouring sizes in the Thin Knurled Thumb Screw DIN 653 collection or compare other products within Knurled Fasteners. For help checking thread size, length or head dimensions, call 01233 713581.

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