M12 x 57mm Double Ended Threaded Bars (DIN 938) - Marine Stainless Steel (A4)


Key Features

  • M12 Metric Thread Size (12mm)
  • A4 Stainless Steel, also known as marine grade or 316 Stainless Steel. Details.
  • Thread Diameter: M12 (12mm)
  • Overall Length (L+LN): 57mm
  • Length (L): 45mm
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M12 x 57mm Double Ended Threaded Bars (DIN 938) - Marine Stainless Steel (A4) Technical Specification

M12 x 57mm Double Ended Threaded Bars (DIN 938) - Marine Stainless Steel (A4) Drawing
Length (L)45mm
Manufacturing StandardDIN 938
MaterialMarine Stainless Steel (A4)
Material SpecificationMarine Stainless Steel (A4)
Metric or Imperial?Metric
Overall Length (L+LN)57mm
Thread 1 Length (LN)12mm
Thread 2 Length (LE) [Max]30mm
Thread DiameterM12 (12mm)

Product Certifications

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

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M12 x 57mm Double Ended Threaded Bars (DIN 938) - Marine Stainless Steel (A4) Description

The M12 x 57mm Double Ended Threaded Bars (DIN 938) - Marine Stainless Steel (A4) has the following features:

  • DIN 938 Manufacturing Standard
  • 45mm Length (L)
  • Marine Stainless Steel (A4) Material
  • Marine Stainless Steel (A4) Material Specification
  • 1.75mm Pitch
  • Natural Finish
  • Metric Metric or Imperial?
  • M12 (12mm) Thread Diameter
  • 57mm Overall Length (L+LN)
  • 12mm Thread 1 Length (LN)
  • 30mm Thread 2 Length (LE) [Max]

Discover more about the Metric Double Ended Threaded Bars range

Metric Double-Ended Threaded Bars are suitable for a wide range of applications. These products are commonly found within doors and assembly housings, and are ideal for when a rod must be fitted into an unthreaded hole, and fastened with nuts from both sides. Extended Double Ended Threaded Bars are also available, which feature an elongated secondary threaded portion.


Double-Ended Threaded Bars are manufactured from both A2 and A4 Stainless Steel as standard, with the option of Chemical Matte Blackening also available as part of our standard range. Alternative materials and finishes, such as Nylon Thread Locking Patches can also be made available for custom manufacture.

Metric Double-Ended Threaded Bars

Components within this product range are manufactured in diameters from M6 up to M24, and in total lengths ranging from 27.5mm up to 150.00mm.

Shipping Information

Shipping Destinations:Worldwide.
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Weight Band (100 items):Between 1kg and 5kg. Add to cart to calculate exact weights.

Component History

Product First Available:Sunday, June 28, 2015
Stock Last Updated:08:41 am
Monday, September 20, 2021
Specification Last Updated:Monday, September 20, 2021

APC / Barcodes

APC (Accu Product Code):HTBE-M12-57-12-A4
EAN13 (International Article No.):5054328332263
ASIN (Amazon Stock Identification No.):ASIN not defined.