M4 x 30mm Vented Cap Head Screws (DIN 912) - Stainless Steel (A2)

SSCV-M4-30-A2

Key Features

  • Thread Size: M4 (4mm)
  • Length (L): 30mm
  • Head Diameter (D): 7mm
  • Material: Stainless Steel (A2)
  • Finish: Natural
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M4 x 30mm Vented Cap Head Screws (DIN 912) - Stainless Steel (A2) Technical Specification

M4 x 30mm Vented Cap Head Screws (DIN 912) - Stainless Steel (A2) Drawing

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M4 x 30mm Vented Cap Head Screws (DIN 912) - Stainless Steel (A2) Description

The M4 x 30mm Vented Cap Head Screws (DIN 912) - Stainless Steel (A2) has the following features:

  • 4mm Head Length (H)
  • DIN 912 Manufacturing Standard
  • 30mm Length (L)
  • 3mm Hexagon A/F (J)
  • No Fully Threaded
  • Stainless Steel (A2) Material
  • Stainless Steel (A2) Material Specification
  • 0.7mm Screw Thread Pitch
  • Natural Finish
  • Metric Metric or Imperial?
  • M4 (4mm) Thread Size
  • 7mm Head Diameter (D)
  • 2mm Hexagon Depth
  • 2mm Vent Hole Diameter (A)
  • 1mm Vent Hole Diameter (V)

Discover more about the Vented Socket Cap Head Screws range

Vented Cap Head Screws, sometimes called Vacuum Screws, Ventilation Screws, or simply Hollow Screws, feature a bored-out center, and are specially designed to allow the release of gases and pressure through the fastener’s core. Vented Screws are widely used within vacuum assemblies. These components allow surface contaminants to be extracted from blind-tapped holes, and can also prevent trapped pockets of gas at the base of blind drilled holes, which can lead to virtual leaks within vacuums.

Despite its intended purpose in pressure regulation, the centre bore of a Vented Cap Head Screw has a wide variety of secondary applications, such as temperature regulation, the insertion of electrical wires, or to create cleaning and probing access. Due to their unique design and characteristics, Vented Screws are being used in many new and innovative applications.

Standard Vented Screws in this product range feature a hexagonal drive, making them fully compatible with Accu's selection of Allen Keys Ventilation Screws can be manufactured with Hexalobular Torx Drives on request.

Vented Screw Manufacture Process

Vented Cap Head Screws were first commissioned to Accu as a custom manufactured component - a specialist modification based upon a standard DIN 912 Cap Head Screw. Since then, these products have seen growing popularity amongst our customers, and have been introduced as a part of our standard range. All products within Accu’s Vented Cap Screws ranges are now specially manufactured according to our own drawings and specifications.

Vented Screws are generally manufactured specially to order, meaning a wide variety of sizes and permutations can be made available. If a specialised component is required, please feel free to contact us or submit a request using MADEbyACCU's Custom Manufacture Form.

Vented Cap Head Screw Materials

Vent Screws are manufactured from high-quality A2-70 and A4-70 (Marine Grade) Stainless Steel as standard, each with an exceptional tensile strength of 700N/mm². Chemical Matte Blackening is available as a standard option, and Nylon Thread Locking Patches are available on customer request. Components in this range can also be custom manufactured from specialist materials such as Aluminium, Brass, Phosphor Bronze and thermally stable PEEK thermoplastic on request.

Vented Cap Head Screw Sizing

Vented Cap Screws are available in a selection of metric thread diameters, from M3 up to M8, and with thread lengths ranging from 3mm up to 25mm. As standard, components within the Vented Screws range are available with a central vent diameter of between 1mm and 2mm.

Vented Cap Head Screws are manufactured to order. If you require imperial measurements, or do not see the dimensions you require listed on our online store, please contact us - it is likely that we can offer the size you require.


Shipping Information

Shipping Destinations:Worldwide.
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Weight: 0.00kg.

Component History

Product First Available:Wednesday, January 3, 2018
Stock Last Updated:05:31 pm
Saturday, December 4, 2021
Specification Last Updated:Saturday, December 4, 2021

APC / Barcodes

APC (Accu Product Code):SSCV-M4-30-A2
EAN13 (International Article No.):5057195130154
ASIN (Amazon Stock Identification No.):ASIN not defined.