M20 x 80mm Low Head Cap Screws (DIN 7984) - Marine Stainless Steel (A4)


Key Features

  • M20 Metric Thread Size (20mm)
  • A4 Stainless Steel, also known as marine grade or 316 Stainless Steel. Details.
  • Thread Size (T): M20 (20mm)
  • Length (L): 80mm
  • Head Diameter (D): 30mm
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M20 x 80mm Low Head Cap Screws (DIN 7984) - Marine Stainless Steel (A4) Technical Specification

M20 x 80mm Low Head Cap Screws (DIN 7984) - Marine Stainless Steel (A4) Drawing
Head Diameter (D)30mm
Head Length (H)11mm
Hexagon A/F (J)14mm
Hexagon Depth (P)7.5mm
Length (L)80mm
Manufacturing StandardDIN 7984
MaterialMarine Stainless Steel (A4)
Material SpecificationStainless Steel (A4-70)
Metric or Imperial?Metric
Screw Thread Pitch2.5mm
Thread Length [Max] (E)46mm
Thread Size (T)M20 (20mm)

Product Certifications

Certificate of Conformity Included
Certificate of Conformity Included
RoHS Certified
RoHS Certified
REACH Certified
REACH Certified
Quality Approved

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M20 x 80mm Low Head Cap Screws (DIN 7984) - Marine Stainless Steel (A4) Description

The M20 x 80mm Low Head Cap Screws (DIN 7984) - Marine Stainless Steel (A4) has the following features:

  • M20 (20mm) Thread Size (T)
  • 11mm Head Length (H)
  • 7.5mm Hexagon Depth (P)
  • DIN 7984 Manufacturing Standard
  • 80mm Length (L)
  • 14mm Hexagon A/F (J)
  • Marine Stainless Steel (A4) Material
  • Stainless Steel (A4-70) Material Specification
  • 2.5mm Screw Thread Pitch
  • Natural Finish
  • Metric Metric or Imperial?
  • 30mm Head Diameter (D)
  • 46mm Thread Length [Max] (E)

Discover more about the Metric Low Cap Head Screws range

Low Head Socket Cap Screws are designed with a reduced head height for aesthetic and space conservation purposes. The low profile head of these screws makes them ideal for low-clearance applications.

Low Head Socket Cap Screws are operated using a Hex Key (also known as an Allen Key) or a Hexagon Socket Drive Bit. All of our Hexagon Socket Low Cap Head Screws are manufactured according to industry standards, and are precision machined to achieve tolerances of ±0.13mm.

Accu's Low Head Cap Screws are also available with a Hexalobular (Torx) Drive. These components can be found in our Torx Low Cap Head Screws range.


Low Head Socket Cap Screws are available in a range of materials, including A2 and A4 Stainless Steel, Aluminium, Brass, Phosphor Bronze, PEEK and 10.9 Hardened Steel. Thread Locking Patches and Chemical Matte Black finishes are available on all Stainless Steel Cap Head Screws.

Metric Low Cap Screws

Metric Low Cap Head Socket Screws are available as standard in thread sizes ranging from M3 to M24. These components are manufactured in lengths between 3.00mm and 150.00mm, and both full and partially threaded varieties are available.

Imperial Low Cap Screws

Imperial Low Head Socket Cap Screws are manufactured in thread sizes between #0 and 1 inch. Lengths of this component range from 3/32 inch to 12 inch as standard, with the option for either full or partial thread available.

Shipping Information

Shipping Destinations:Worldwide.
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Weight Band (100 items):Over 5kg. Add to cart to calculate exact weights.

Component History

Product First Available:Monday, May 16, 2016
Stock Last Updated:09:56 pm
Tuesday, November 30, 2021
Specification Last Updated:Tuesday, November 30, 2021

APC / Barcodes

APC (Accu Product Code):SSCL-M20-80-A4
EAN13 (International Article No.):5057196437931
ASIN (Amazon Stock Identification No.):ASIN not defined.