M5 x 28mm Thin Knurled Thumb Screw (DIN 653) | A1 Stainless Steel

Product code: THUM653-M5-28-A1
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M5 x 28mm Thin Knurled Thumb Screw (DIN 653) | A1 Stainless Steel
M5 x 28mm Thin Knurled Thumb Screw (DIN 653) | A1 Stainless Steel
M5 x 28mm Thin Knurled Thumb Screw (DIN 653) | A1 Stainless Steel
M5 x 28mm Thin Knurled Thumb Screw (DIN 653) | A1 Stainless Steel
M5 x 28mm Thin Knurled Thumb Screw (DIN 653) | A1 Stainless Steel
M5 x 28mm Thin Knurled Thumb Screw (DIN 653) | A1 Stainless Steel
Quantity
Unit Price
(ex. VAT)
Unit Price
(inc. VAT)
1 - 49 £11.47 £13.77
50 - 99 £9.94 £11.93
100 - 249 £8.80 £10.56
250 - 499 £7.65 £9.18
500 - 999 £7.08 £8.49
1000 + £6.42 £7.71
£13.77 / each
Quantity:


Product Specification
Thread Size M5
Thread Length 28mm
Pitch 0.80mm
Head Diameter 20mm
Head Height 4.0mm
Standard DIN 653
Material A1 Stainless Steel

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M5 x 28mm Thin Knurled Thumb Screw (DIN 653) | A1 Stainless Steel

Manufactured to DIN 653, this M5 x 28mm DIN 653 thumb screw is suited to electrical cabinets and service covers. Its finely knurled 20mm head can be tightened and released by hand and the low 4.0mm profile keeps protrusion to a minimum where space around the fixing is restricted.

What Are Thin Knurled Thumb Screws?

Thin thumb screws provide convenient tool-free fastening where speed and accessibility matter. Their flat knurled head is easier to grip than a plain machine screw yet remains lower in profile than high-type thumb screws used when greater hand leverage is required.

Common Applications

  • Electrical Cabinets: Provides a hand-adjustable fixing for access covers and internal panels.
  • Display Frames: Supports repeat assembly of stands, frames and demonstration equipment.
  • Workshop Fixtures: Fastens adjustable parts that operators need to release regularly.
  • Test Equipment: Provides controlled hand fastening for fixtures used during repeated trials.

M5 x 28mm Thin Knurled Thumb Screw Dimensions

  • Thread Size: M5
  • Thread Length: 28mm
  • Pitch: 0.80mm
  • Head Diameter: 20mm
  • Head Height: 4.0mm
  • 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
  • 20mm knurled head diameter provides a positive hand grip
  • 0.80mm metric pitch matches the uploaded M5 specification

Compare other lengths in the DIN 653 Thin Knurled Thumb Screw range and see the wider Knurled Fasteners selection for different head styles. For sizing or application support, speak with Vital Parts on 01233 713581.

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