M3 x 16mm Capstan Screws (DIN 404) - A1 Stainless Steel


Key Features

  • M3 Metric Thread Size (3mm)
  • Thread Size (T): M3 (3mm)
  • Length (L): 16mm
  • Head Diameter (D): 5.5mm
  • Finish: Natural
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M3 x 16mm Capstan Screws (DIN 404) - A1 Stainless Steel Technical Specification

M3 x 16mm Capstan Screws (DIN 404) - A1 Stainless Steel Drawing
Head Diameter (D)5.5mm
Head Hole Dia. (d)1.5mm
Head Length (H)4mm
Length (L)16mm
Manufacturing StandardDIN 404
Screw MaterialStainless Steel (A1)
Screw Material SpecificationStainless Steel (A1)
Slot Depth (Min)1mm
Slot Width (A)0.8mm
Thread Pitch0.5mm
Thread Size (T)M3 (3mm)

Product Certifications

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

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M3 x 16mm Capstan Screws (DIN 404) - A1 Stainless Steel Description

The M3 x 16mm Capstan Screws (DIN 404) - A1 Stainless Steel has the following features:

  • M3 (3mm) Thread Size (T)
  • 4mm Head Length (H)
  • DIN 404 Manufacturing Standard
  • 16mm Length (L)
  • 0.8mm Slot Width (A)
  • Stainless Steel (A1) Screw Material
  • Stainless Steel (A1) Screw Material Specification
  • 1mm Slot Depth (Min)
  • Natural Finish
  • 0.5mm Thread Pitch
  • 5.5mm Head Diameter (D)
  • 1.5mm Head Hole Dia. (d)

Discover more about the Capstan Screws range

DIN 404 Capstan Screws are part of Accu's Precision Screws range and they are designed with a broad cylindrical head, which features multiple radial holes for the insertion of a lever, cable or wire, which is then turned or wound around the screw for tension adjustment. A Capstan Screw is unique in that it can be turned from either the slotted drive, using a Slotted Screwdriver Bit, or from the holes in its side.

These components are widely used in metrology equipment and in musical instruments such as pianos, as they are capable of being adjusted in very fine increments.


Capstan Screws are available in A1 Stainless Steel as standard, with the options of Chemical Black Coatings or a Thread Locking Patch available on request.

Metric Capstan Screws

This range of components is manufactured according to DIN 404, and is available in metric diameters of between M3 and M6, and lengths of between 4mm and 30mm. Additional dimensions can also be custom manufactured on request, contact our sales team for more details.

Shipping Information

Shipping Destinations:Worldwide.
View delivery information.
Weight Band (100 items):Between 0.1kg and 0.25kg. Add to cart to calculate exact weights.

Component History

Product First Available:Sunday, June 28, 2015
Stock Last Updated:12:34 am
Wednesday, October 27, 2021
Specification Last Updated:Tuesday, October 26, 2021

APC / Barcodes

APC (Accu Product Code):SFAN-M3-16-A1
EAN13 (International Article No.):5054328110847
ASIN (Amazon Stock Identification No.):ASIN not defined.