Marine Grade Fasteners

Marine grade fasteners refer to fasteners that have been designed specifically for the marine industry. In other words, they are entirely weather/corrosion resistant. A salt water (marine) environment is a difficult one for metals because of corrosion. On any ship, boat, or oil rig part of the hull or structure remains under water in use, while another portion is above, creating different “zones”, and different corrosion resisting solutions.

Most Stainless Steel fasteners do not stand up to the corrosive properties of saltwater environments. It requires special grades of Stainless Steel like 316 Grade A4, duplex Stainless Steel, Monel or Titanium to serve the purpose.

Stainless Steel Grade AISI 316 A4 is now becoming increasingly popular for a number of applications because of the long life it imparts to the components. It is also know as food grade stainless steel and is very useful in food processing, Pharmaceutical and Chemical industries.

AISI-316 Stainless Steel’s excellent corrosion resistance makes it perfect for both internal and external applications.

Whilst this higher-grade steel is generally more expensive than A2 Stainless Steel fasteners, it can be more cost-effective over a longer period of time, due to it’s corrosion resistance and durability, leading to reduced maintenance costs, fewer replacement parts and less down time due to equipment breakdown. It will also remain clean and bright under atmospheric conditions.

MAGNETISM – It is very important to recognise the fact that all stainless steel fasteners after cold working exhibit magnetism to some extent including SS-316

We have a large range of AISI 316 Screws, Nuts, Washers and other Fasteners.

Special SS-316 Fasteners

Wire Rope Clips SS316 A4 Marine Grade Stainless Steel

Wire Rope Clips are used to secure wire ropes (wire rope termination). The main applications are marine, biogas, elevators and personnel hoists

They are made of Marine Grade Stainless Steel SS-316 A4 which is salt water resistant.

Spring Hooks SS316 A4 Marine Grade Stainless Steel

Spring Hooks, also known as Carabiners is a metal hook with a spring loaded gate. It is used to quickly and reversibly connect components. The main applications of a carabiner is in climbing, marine, sailing, hot air ballooning, window cleaning etc.

They are made of Marine Grade Stainless Steel SS-316 A4 which is salt water resistant.

Quick Links for Chains SS316 A4 Marine Grade Stainless Steel

Quick Links are used to secure, connect or join chains and other items in various applications including marine.

They are made of Marine Grade Stainless Steel SS-316 A4 which is salt water resistant.

Wire Thimbles SS 316

Wire Thimbles are used in conjunction with wire rope clips, mainly in marine and biogas applications.

They are made of Marine Grade Stainless Steel SS-316 A4 which is salt water resistant.

Marine Grade Thread Inserts SS 316

Advantages of SS 316 Thread Inserts :

  • Increased corrosion resistance
  • low thread friction

Suitability :

  • In areas with exposure to sea water and air
  • Exposure to chlorine containing water
  • General lightweight construction

Titanium Fasteners

Titanium fasteners are a product of the future and extremely unique in their characteristics.

Using these unique qualities, titanium alloy screws have extraordinary corrosion resistance, high tensile strength, low weight and non-magnetic properties.

Marine Grade Screws

A large range of AISI 316 screws, nuts, washers and other fasteners are now available. It is also possible to provide these in a black coated finish upon special orders.

PAN Phillips Machine Screws –

CSK Phillips Machine Screws –

Slotted CHS –

Slotted CSK –

Slotted PAN –

TORX PAN –

TORX CSK –

Self-Tapping PAN Phillips –

Self-Tapping CSK Phillips –

Self-Drilling Hex –

Self-Drilling PAN Phillips –

Self-Drilling CSK Phillips –

Chipboard Screws –

Hex Screws –

Allen Cap Screws –

Allen CSK Screws –

Grub Screws Cup Point –

Grub Screws FLAT Point –

Hex Coach Screws –

U-Bolts –

Threaded Rods –

Dowel Pins [Parallel Pins] –

Split Pins –

Plain Washers –

Large Washers –

Small OD Washers –

Spring Washers Square –

Spring Washer FLAT –

Wedge-Lock Washers –

Hex Nuts –

Half Nuts –

Dome Nuts –

Nylock Nuts Thin –

Hex Weld Nuts –

Wing Nuts

Flange Nuts –

Blind Rivets – MONEL for extreme resistance –

Anchor Bolts

Get the A4-80 Advantage – High Strength Stainless Steel Bolts

Combine the high mechanical strength with corrosion resistance for an effective solution to many situations.

Now in ready stock.

Royal Industrial Suppliers

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