#1 Ring Plunger Set & Machinery Parts Manufacturer in India | Amraiwadi, Ahmedabad, Gujarat
High Precision Engineering

Our Complete Product Catalog

Manufacturing high performance Ring Plunger Sets, Screws, Screw Barrels, and Precision Machinery Components for plastic injection molding and extrusion plants.

Ring Plunger Set (Torpedo / Non-Return Valve) Ring Plunger
Ring Plunger Set (Torpedo / Non-Return Valve)

Best Ring Plunger Sets in India manufactured by Rajlaxmi Industries for injection moulding machines. Includes...

Material: EN-41B Nitro Alloy Steel, H13 Tool Steel, D2, Bimetallic Stellite Inlay
Hardness: Gas Nitrided 65 - 70 HRC (950 - 1050 HV) / Vacuum Hardened 58 - 62 HRC
Single Extruder & Injection Screw Screws
Single Extruder & Injection Screw

Precision manufactured Single Screws for plastic extrusion, blown film plants, pipe plants, and injection mold...

Material: EN41B (38CrMoAlA), SACM 645, H13, D2
Hardness: 950 - 1050 HV (65 - 70 HRC), Nitriding Depth: 0.5 - 0.8 mm
Single Screw Barrel Barrels
Single Screw Barrel

Heavy duty single screw barrels deep hole drilled and gas nitrided for long-lasting extrusion and injection ma...

Material: EN41B Musco Steel, 42CrMo4 Alloy Steel
Hardness: Internal Bore Hardness: 950 - 1050 HV
High Output Barrier Screw Screws
High Output Barrier Screw

Engineered Barrier Screws with separate melt and solid channels delivering 20% to 35% higher throughput with l...

Material: EN41B Nitro Alloy Steel with optional Bimetallic Flight Inlays
Hardness: Nitrided 68 HRC / Stellite Flight 60 HRC
Bimetallic Screw (Wear & Corrosion Resistant) Screws
Bimetallic Screw (Wear & Corrosion Resistant)

PTA / Clad Bimetallic Screws specifically engineered for processing abrasive glass-filled plastics and corrosi...

Material: Base EN41B / H13 with Tungsten Carbide / Ni-Cr / Co-alloy Inlay
Hardness: Flight Inlay Hardness: 58 - 64 HRC
Bimetallic Screw Barrel (Centrifugally Cast) Barrels
Bimetallic Screw Barrel (Centrifugally Cast)

Centrifugally cast bimetallic barrels with alloy sleeve lining offering extreme resistance to wear, abrasion,...

Material: Outer 42CrMo with Fe-base, Ni-base, or Tungsten Carbide cast lining
Hardness: Inner Alloy Layer: 60 - 66 HRC
Injection Moulding Screw Screws
Injection Moulding Screw

High precision injection moulding screws optimized for plasticizing speed, back pressure consistency, and colo...

Material: EN41B, D2, H13, 1.2379, Bimetallic
Hardness: 65 - 70 HRC (Nitrided) / 58 - 62 HRC (Through-hardened)
Through-Hardened Tool Steel Screw Screws
Through-Hardened Tool Steel Screw

Through-hardened tool steel screws for extreme mechanical loads, engineering polymers, and high-pressure injec...

Material: AISI D2, H13, DC53, SKD61, Powder Metallurgy CPM Steels
Hardness: Uniform 58 - 62 HRC through the core and flights
HVOF Tungsten Carbide Coated Screw Screws
HVOF Tungsten Carbide Coated Screw

High-Velocity Oxygen Fuel (HVOF) thermal spray tungsten carbide coated screws delivering extreme surface hardn...

Material: Substrate EN41B / 42CrMo with Tungsten Carbide (WC-Co-Cr) HVOF layer
Hardness: Surface Hardness: 1100 - 1300 HV (70 - 74 HRC equivalent)
Food & Pharma Processing Screw Screws
Food & Pharma Processing Screw

Sanitary stainless steel screws with food-grade mirror polish finish for food extrusion, confectionery, pasta,...

Material: Stainless Steel AISI 304, 316L, 17-4PH, Hastelloy
Hardness: 35 - 45 HRC (Precipitation Hardened)
Food Processing Screw Barrel Barrels
Food Processing Screw Barrel

Stainless steel sanitary extruder barrels equipped with water cooling jackets for food processing and snack ma...

Material: Stainless Steel AISI 304, AISI 316L
Hardness: Precision Honed Bore 30 - 38 HRC
Industrial Injection Nozzle & Nozzle Tip Components
Industrial Injection Nozzle & Nozzle Tip

High accuracy injection nozzles, shut-off nozzles, and replaceable tips manufactured from heat-treated alloy s...

Material: EN41B, H13, Beryllium Copper Tips
Hardness: 52 - 56 HRC hardened tip seat
Precision Gas Nitriding Surface Treatment Services
Precision Gas Nitriding Surface Treatment

In-house vertical pit furnace gas nitriding service providing deep diffusion case hardening (65-70 HRC) with m...

Material: EN41B, 38CrMoAl, H13, 40Cr, 42CrMo4, Alloy Steels
Hardness: Surface Hardness: 950 - 1100 HV (65 - 70 HRC)

Need Custom Dimensions or Special Metallurgy?

We manufacture ring plunger sets and screw barrels matching your custom CAD drawings, OEM part numbers, or sample components.