M6 x 30mm Socket Cap Head Screw, A4 Stainless Steel DIN 912

M6 socket cap head screw

M6 cap head screw with marine grade corrosion resistance. Designed with a deep internal socket (hex) drive for easy installation allowing you to apply the required torque for a secure hold.

Manufactured in A4 stainless steel for a marine grade level of corrosion resistance making them ideal for your internal and external requirements.

Designed with a distinctive compact cylindrical head allowing use in areas where space is tight and installed with an Allen wrench or hex key (Allen key) sees them widely used across many industries.

A versatile corrosion resistant machine screw also known in the trade as Allen key bolts, cap head bolts, or socket screws.

Available in many sizes and lengths to suit your requirements, these screws are used by DIY enthusiasts and professionals across many diverse sectors including automotive, aerospace, machinery, and construction.

M6 socket cap head screw specification:

• Diameter (TD): M6 - 6mm
  
• Length (L): 30mm
  
• Thread length (TL): Fully threaded
• Head width (HW): 10mm max
  
• Head height (HH): 6mm max
  
• Head type: Cap head
  
• Recess type (DT): Internal hex drive (Size 5mm)
  
• Pitch: 1mm
  
• Material: A4 stainless steel (marine grade corrosion resistance)
  
• Conformality: DIN 912

The M6 socket cap head screw is part of an extensive range of stainless steel cap head screws available from Fusion Fixings with bulk discounts.

Don’t forget the hex full nuts?

Don’t forget the hex full nuts for use with your socket cap head screws. Take a look at the A4 M6 hex full nuts.

FAQs about A4 stainless steel socket cap head screws

What material is this socket cap head screw made from?

This screw is made from A4 stainless steel, which gives it marine-grade corrosion resistance for use in indoor and outdoor environments, including humid or saltwater conditions.

How is the length of the cap head screw measured?

The length of these screws is measured from under the head to the end of the thread, not including the head height.

What does DIN 912 mean on a socket cap head screw?

DIN 912 is the industrial standard defining the dimensions, tolerances, and internal hex drive specifications for socket cap head screws, ensuring consistent fit and reliability across applications.

Can A4 stainless steel socket cap screws be used outdoors?

Yes, A4 stainless steel has excellent corrosion resistance, making this screw suitable for long term outdoor use and in saltwater environments.

What is the difference between A2 and A4 stainless screws?

A4 stainless steel (marine grade) offers higher corrosion resistance than A2 stainless steel (general purpose), especially in saltwater environments. This makes it a better choice for long term external use, especially in saltwater environments.

Are socket cap head screws strong enough for precision engineering?

Yes, socket cap head screws are widely used in precision engineering applications due to their ability to be tightened with high torque in tight spaces, along with metric sizing which ensures accurate installation. 

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