duplex-bolting

SPECIALIZED IN HARD TO FIND FASTENERS

Alloy Steel Tubes Expertise And Strength

bolts-nuts-washers-studs-rings-manufacturer-supplier

Alloy Steel Tubes has the ability to design in the highest level of manufacturing product quality and the greatest levels of customer satisfaction that meet the strictest requirements and provide maximum safety for reliable operations without breaking down.

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SPECIALIZED IN HARD TO FIND FASTENERS

Alloy Steel Tubes Expertise And Strength

Bolts

hex-bolt

Nuts

hexa-nut

Washers

hexa-washer

Studs

hexa-stud

HOT PRODUCTS

Leading manufacturers and suppliers

Hard to find fasteners which cannot be sourced from around the globe.To reach clients from remote locations with indefinite need of various fasteners.To serve the world something more than precise and niche.

Eurupe 90%
Middle East 80%
Asia 80%
Africa 80%

PLATING

Core Principles. Precise Quality. Fastest
Delivery. Value for Money. Redefining Fastener Culture.

PTFE FLUOROCARBON

(PTFE) a FluoroPolymer that is corrosive chemical and heat resistance, and the world’s most slippery surface.

NICKEL PLATING

Batch hot-dip galvanizing has been the most commonly used method of protecting steel products from corrosion.

DACROMET COATING

(PTFE) a FluoroPolymer that is corrosive chemical and heat resistance, and the world’s most slippery surface.

COBALT PLATING

Cobalt plating is the process of plating one metal onto another by hydrolysis, most commonly for decorative purposes or to prevent metal corrosion.

HOT DIP GALVANISING

Batch hot-dip galvanizing has been the most commonly used method of protecting steel products from corrosion.

CADMIUM PLATING

Electroplated cadmium is a robust and versatile metallic coating. Cadmium is a soft white metal that, when plated onto steel, cast iron

MANUFACTURING PROCESS

We believe in Quality, Integrity and Delivery

Raw material is selected from bonded storage racks. Blanks are cut to size and lubricated before hot forging. 100% Pre Material Inspection(PMI), Micro/Macro Examinations and hardness testing is the core requirement for raw material selection

Into the induction heater. After heating, the blank is removed. Bolt fastener part is placed in press. Heading press is engaged and punches down & forms Head. The headed component is now ready for the next process.

  • Normalising
  • Annealing
  • Relieving
  • Ageing
  • Nitriding
  • Quenching & Tempering
  • Over-Hardening
  • Case hardening
  • Surface Hardening
  • Precp. Hardening

Exotic material require hot rolled thread via induction heating in insure defect free threads and grain flow for safety critical applications.

After the secondary operations are completed, destructive and non-destructive testing is performed per blueprint specification. Testing is extensive and includes the following processes; tensile strength, fatigue, grain flow and size, full metallurgical examination, stress rapture, micro hardness, penetrate and magnetic particle inspection along with hydrogen determination for titanium alloys.

  • Pickling
  • Passivation
  • Phospating
  • Anodising
  • BlackOxide
  • Dacrotized
  • Hot Dip Galvanized
  • Ptfe / Teflon / Xylon Coating
  • Electroplating
  • Shot-peening
  • Shot-Blasting
  • Sand Blasting
  • Nickel Plating
  • Gold/Silver Plating
  • Hot dip Galvanized
  • Zinc / Chrome Plating

Hard to find fasteners which cannot be sourced from around the globe.To reach clients from remote locations with indefinite need of various fasteners.To serve the world something more than precise and niche.

CLIENTS & TESTOMONIALS

More then 2000 of happy clients

clients-testimonials