M3 (4mm) x 4mm AMPG Socket Shoulder Screws - Stainless Steel (A2)

SSH-M3-4-A2

Key Features

  • M3 Metric Thread Size (3mm)
  • A2 Stainless Steel, also known as 18-8 or 304 Stainless Steel. Details.
  • Thread Size (T): M3 (3mm)
  • Shoulder Diameter (d): 4mm
  • Shoulder Length (L): 4mm
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M3 (4mm) x 4mm AMPG Socket Shoulder Screws - Stainless Steel (A2) Technical Specification

M3 (4mm) x 4mm AMPG Socket Shoulder Screws - Stainless Steel (A2) Drawing
FinishNatural
Head Diameter (D)6mm
Head Length (H)3mm
Hexagon A/F (J)2mm
Manufacturing StandardNot Standardised
MaterialStainless Steel (A2)
Material SpecificationA2 Stainless Steel
Metric and Imperial?Metric
Screw Thread Pitch0.5mm
Shoulder Diameter (d)4mm
Shoulder Length (L)4mm
Thread Length (E)4mm
Thread Size (T)M3 (3mm)
Tolerance - General+/-0.13mm
Tolerance - Length+0.05/-0mm
Tolerance - Shoulder Dia.+0/-0.025mm

Product Certifications

Certificate of Conformity Included
Certificate of Conformity Included
RoHS Certified
RoHS Certified
REACH Certified
REACH Certified
DFARS Defense Certified
DFARS Defense Certified
ISO9001
ISO9001
Quality Approved

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M3 (4mm) x 4mm AMPG Socket Shoulder Screws - Stainless Steel (A2) Description

The M3 (4mm) x 4mm AMPG Socket Shoulder Screws - Stainless Steel (A2) has the following features:

  • M3 (3mm) Thread Size (T)
  • 3mm Head Length (H)
  • Not Standardised Manufacturing Standard
  • 4mm Thread Length (E)
  • 2mm Hexagon A/F (J)
  • 4mm Shoulder Length (L)
  • Stainless Steel (A2) Material
  • A2 Stainless Steel Material Specification
  • 0.5mm Screw Thread Pitch
  • +0/-0.025mm Tolerance - Shoulder Dia.
  • +/-0.13mm Tolerance - General
  • Natural Finish
  • 6mm Head Diameter (D)
  • 4mm Shoulder Diameter (d)
  • Metric Metric and Imperial?
  • +0.05/-0mm Tolerance - Length

Discover more about the Metric Socket Shoulder Screws range

Metric Socket Shoulder Screws feature an unthreaded shoulder below the head, which provides this type of screw with the versatility to be used in a number of applications and industries. Accu’s standard range of Socket Shoulder Screws are manufactured in accordance with the ISO 7379 standard. 

The hexagon socket drive featured on Shoulder Screws is designed for use with Accu’s ranges of Socket Drive Bits and Hexagon Socket Key Wrenches.

Shoulder Screw applications can include bearings pins, die/punch works, pulley shafts or any shaft where accurate rotary movement is a necessity. These components are commonly used alongside Eye Bolts as a versatile mounting method.

Our standard Socket Shoulder Screws are also available in a knurled variant for operation by hand. These can be found in Accu's Knurled Socket Shoulder Screws.

Premium Socket Shoulder Screws

For a premium, high-precision socket shoulder bolt, available in standard, knurled, low and ultra low head types, Accu also stocks AMPG Shoulder Screws, which are manufactured from DFARS compliant materials.

Low Profile Socket Shoulder Screws

Accu also supplies a reduced-head (low profile) versions of this product in the Low Head Socket Shoulder Screws range and for extra low heads, we offer an Ultra Low Head Socket Shoulder Screw range.

Shoulder Screw Manufacture Process

Accu's Precision Socket Shoulder Screw ranges are unique in that they are manufactured in just one process, which eliminates the need for any secondary operations such as thread rolling, slot cutting or drive broaching. By manufacturing these components in a single operation, we can ensure that our Shoulder Screws are manufactured to the highest levels of concentricity. This process allows Accu's Shoulder Screws to be manufactured to a a very tight tolerance of +/-0.025mm.

Socket Shoulder Screw Materials

Socket Shoulder Screws can be manufactured from a wide range of materials, including A2 Stainless Steel and 416 Stainless Steel. Other Shoulder Screw materials available are Aluminium, Brass, Phosphor Bronze and PEEK. Additional features such as Chemical Blackening and Thread Locking Patches are also available as standard for Stainless Steel Shoulder Screws.

12.9 Hardened Steel Shoulder Screws are also available as part of this range. Hardened Steel Shoulder Bolts are specially designed to endure high levels of mechanical stress.

Metric Socket Shoulder Screws

Socket Shoulder Screws are available in metric thread diameters of between M3 and M12, with shoulder diameters of between 4.00mm and 16.00mm. Shoulder Lengths from 4.00mm and 120.00mm are also available.

Imperial Socket Shoulder Screws

Imperial Socket Shoulder Screws are available from Accu in thread diameters from No. 4 up to 3/8 inch are available as standard, with shoulder lengths of between 1/8 inch up to 1.1/2 inch.

Custom Manufactured Socket Shoulder Screws

Accu are able to manufacture Socket Shoulder Screws to exact customer specifications on request. If the exact component you require is not listed among our standard shoulder screw range, please Contact us or submit a technical drawing to MADEbyACCU to receive a quotation. Having a component manufactured to your own specifications is an excellent way to ensure peace of mind when incorporating Accu Socket Shoulder Screws into your assembly.


Shipping Information

Shipping Destinations:Worldwide.
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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:10:30 am
Friday, September 24, 2021
Specification Last Updated:Friday, September 24, 2021

APC / Barcodes

APC (Accu Product Code):SSH-M3-4-A2
EAN13 (International Article No.):5054328048973
ASIN (Amazon Stock Identification No.):ASIN not defined.