Amara Raja

High Tensile Fasteners

MANGAL develops and produces Standard and Special Screws and Bolts, Precision Cold Forged Parts and Assemblies, in which Cold Forged Parts are combined with other components. We endeavor to be a full service supplier and manufacturer in the diameter range from M5 to M20 with a maximum part length of 300mm. We have experience in various grades of steel right from 8.8 to 12.9 and also special material like Stainless steel and Boron Steel.

As a reliable development partner in the automotive industry, we are capable of covering a range of applications including critical applications for engines, drive trains and chassis.

Typical Range of Fasteners includes:

Standard Fasteners

Hexagon Screws/Bolts, Cross Recessed Screws, Flange Screws, Socket Head Cap Screws/Bolts

Special Fasteners

Connecting Rod Bolts, Main bearing Cap Bolts, Cylinder Head Screws/Studs, Flywheel Bolts, Adjusting Screws, Balance Weight Bolts, Banjo Bolts, Hub/Wheel Bolts, Wheel Studs, Suspension Bolts, Propeller Shaft Bolts, Center Bolts, Track Shoe Bolt.

Aside addressing cold forged fasteners we provide value added service by converting the bar machined parts into cold forged parts by converting the wire rods into near net shape of the final product by cold forging and machine the near net shape part to final precision turned parts. Some of the parts include Double end studs, Max cut screws, Banjo bolts and Threaded inserts, resulting in a cost effective solution especially for long production runs.

MANGAL can also address any special fasteners/ net shape parts by playing actively as a technical liaison or assume responsibility as “C” parts aggregator on a need basis enabled by its alliance with key associates like NEDSCHROEF.

The manufacturing facility is a completely integrated one spanning Wire Preparation including Phosphating and Wiredrawing, Annealing, Cold Forging, continuous mesh belt Heat Treatment furnace, Secondary Machining, Finishing and Packing all under one roof.

Cold forging is performed on reliable and precision machinery such as NEDSCHROEF and JERN YAO.

The plant facility is ISO 9001:2008, ISO/TS 16949:2009 and ISO 14001:2004 certified by TUV.

Products

A wide range of Standard Cold Forged High Tensile Fasteners over 6,000 varieties covering the diameter range of 3 mm to
16 mm and the length range of 6 mm to 150 mm.
We manufacture a wide range of fasteners based on the following standards:
Indian Standards-IS
German Standards-DIN
Japanese Standards-JIS
American Standards-ASTM
British Standards-BS
MIL product range encompasses a wide variety of standard, chassis, engine and special fasteners. These Fasteners covers a very wide range of industries viz Automobile sectors, standard / special m/c building sectors, printing machineries, etc.

Products include the following

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Controlled hex socket for maximum wrenching strength.
Uniform socket depth for accurate key fit & higher torque.
Knurled head for finger grip fast assembly.
Smooth fillet radius to withstand head soundness.
Formed threads with improved root radius provide greater strength to threads.
Uniform & uninterrupted grain flow for greater strength.
Controlled mechanical properties for higher strength.
Perfect angle under the head ensures flush seating.
Controlled hex socket for maximum wrenching strength.
Smooth fillet radius to withstand head soundness.
Hi-grade alloy steel for good strength & wear resistance.
Uniform socket depth for accurate key fit & higher torque.
Closely controlled threads under radius root process proper fit & depth assemblies.
Controlled mechanical properties for higher strength.
Controlled concentricity in totality to create a high resistance to lateral movements
Controlled hex socket for maximum wrenching strength.
Uniform socket depth for accurate key fit & higher torque.
Smooth fillet radius to withstand head soundness.
Formed threads with improved root radius provide greater strength to threads.
Uniform & uninterrupted grain flow for greater strength.
Controlled mechanical properties for higher strength
High grade alloy steel for good strength & wear resistance.
Smooth radiuses head ensures easy handling to the user.
Controlled concentricity in totality to create a high resistance to lateral movements
Controlled hex socket for maximum wrenching strength.
Uniform socket depth for accurate key fit & higher torque.
Formed threads with improved root radius provide greater strength to threads.
High grade alloy steel for good strength & wear resistance.
Controlled mechanical properties for higher strength.
Controlled concentricity in totality to create a high resistance to lateral movements
Controlled Hexagon for maximum wrenching strength.
Smooth fillet radius to withstand head soundness.
Formed threads with improved root radius provide greater strength to threads.
Uniform & uninterrupted grain flow for greater strength.
Controlled mechanical properties for higher strength.
High quality steel for good strength & wear resistance.
Controlled concentricity in totality to create a high resistance to lateral movements
We lay emphasis on your requirement. From the start, our engineers and technical problem solvers give you undivided attention, for design and application problems. In fact, statistical process control is a way of life for critical dimensions and process capability studies, at MIL.

Cold forging makes precision production easier for us, especially when the parts have multiple diameters, intricate shapes, closely defined fillets, deep recesses and collar or flat square surfaces.

In addition, we offer traceability. Each fastener batch has its own tracking number, so as to ease the tracing back to the steel mill. Indeed, when you opt for MIL special automotive fasteners, you opt for peace of mind.

12 point configuration for faster assembly production rate. Virtually eliminates camout & assures proper seating torque.
Specialised secondary operations. Latest computer controlled equipment for cost-effective specialised secondary machining capabilities.
Centreless grinding equipment are utilised for production of close tolerance and smooth surface finish.
Roll threaded as opposed to thread cutting for stronger, precise radiused root & run-out threads for increased fatigue capability.
Uniform knurling for better fit & resistance to rotate.
Neck designed for accurate seating.
Closely controlled shank diameter tolerance for better fit.
Formed threads with improved root radius provide greater strength to threads.
Controlled mechanical properties for higher strength.
High grade alloy steel for good strength & wear resistance.
Uniform profile for better fitment.
Shank & U’Cut profile engineered to meet customer requirement.
Neck designed for accurate seating.
Closely controlled shank diameter tolerance for better fit.
Hard rolled threads with improved root radius provide greater strength to threads.
Uniform profile to withstand extra torque.
Controlled mechanical properties for higher strength.
High grade alloy steel for good strength & wear resistance.
Closely controlled shank for better fitment.
Formed threads with improved root radius provide greater strength to threads.
Controlled mechanical properties for higher strength.
High quality steel for good strength & wear resistance.
Controlled concentricity between both threaded ends for better fitment
 
 
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