Seeding Knife Points: Custom OEM Steel Investment Casting

Seeding Knife Points are high-demand agricultural components. As a professional OEM manufacturer, we specialize in producing premium Seeding Knife Points and provide reliable casting solutions for global agricultural equipment brands.
Our seeding points are engineered to meet your exact blueprints, ensuring that every batch of components delivers consistent performance in the field. By choosing our custom manufacturing services, you gain a partner dedicated to technical excellence.

Expert Steel Investment Casting for OEM Parts

The core of our service lies in precision steel investment casting. This process allows us to produce seeding knife points with complex geometries and smooth surfaces that traditional methods cannot achieve. Whether you need custom drill points or specialized brackets, our foundry ensures tight fitting tolerances. This material comply is vital for ensuring that seed drill knives ,Leesh control the material from the first very begining- the pig iron- we have stable and well reputation suppliers of the pig irons- then from the metlting to the post surface treatment- we have quality control each step.

Superior Wear Resistance Casting Solutions

Durability is a non-negotiable requirement for agricultural ground-engaging tools. Leesh casting  iron casting and specialized wear resistance casting techniques to extend the lifespan of your components. Our metallurgical team can well understanding most of the international wear resistance material grade, providing your seed opener blades /Seeding Knife Points / Planting points with a competitive edge in abrasive environments. 
China Investment Casting
Except the material itself- we can do post casting surface treatment to enhance the hard abrasive ability- such as induction hardening, tungsten tile brazing, hard layers brazing job- to extend longer life than casting, make it more economic for per acre
Seeding Knife Points is kind of Leesh parts of agricultural field- we also making OEM parts for BOURGAULT Seeding Knife Points , Janke Pints, Morris knife,Jonh Deers spare parts, etc
But we don’t copy any customers tooling to others, all customers should have their own toolings.
Seeding Knife Points Agricultural Machinery Castings

Leesh Holdings: Professional Investment Casting Service for Custom Investment Casting Services

Leesh Holdings provides top-tier investment casting service (lost wax casting) for global industrial clients, delivering high-precision, complex metal components with consistent quality, cost efficiency, and reliable lead times.

With years of manufacturing experience and advanced production facilities, we specialize in custom investment casting solutions for aerospace, automotive, medical, machinery, marine, and other high-demand industries.

Leesh Investment Casting Process

Leesh Investment Casting Process

Core Advantages of Our Investment Casting Service

✅ One Stop Solution

Full service from tooling manufacturing to finish machining, providing you with total solutions.

✅ Global Service

Professional English-speaking team with at least 5 years of global customer service experience.

✅ Experienced Engineers

Mature engineer training system, knowledgeable, energetic and enthusiastic technical support.

✅ Well-Maintained Equipment

Strict equipment maintenance ensures stable and reliable product quality and consistent performance.

✅ Cost & Production Efficiency

Low rejection rate and optimized process bring the best balance between cost and benefit for global customers.

✅ Professional Inspection & Testing

Complete quality inspection including material, dimension, NDT, scanning and strict testing for every product.

Technical Specifications & Parameters

Manufacturing Method OEM Investment Casting Services (Lost Wax Casting)
Material Standard GB, ANSI, BS, DIN, JIS, ASTM, ASME, AISI, etc
Main Materials Carbon steel, Low carbon steel, Middle carbon steel, G35, G45, WCB, WCA, WCC, ISO 340-550, etc.
Alloy Carbon steel: G25CrMo4, Heat Resistant Steel, etc.
Stainless Steel: SUS 304, 304L, 316, 316L, CF8, CF8M, G-X7CrNiNb1189, AS2074 or according to customer specific requirement.
Copper, Brass, Bronze
Weight Range 0.01 kgs to 100 kgs
Cast Hole Min. Dia. Ø2mm
General Casting Tolerance CT4-CT7
Design Software UG, Pro-E, Inventor
Dwg Format STP, STEP, IGS, STP, X_T, DXF, DWG, Pro/E, PDF, SLDPRT
Mould Manufacturing Yes
Casting Simulation Yes
Ultimate machining tolerance 0.005mm
Quality Control RT, UT, MT, PT, CMM, SCAN, Chemical and Mechanical Property Testing, Spectrometer, etc
Finish Roughness Ra1.6-Ra3.2 according to customer requirement
Logo/ID Silk-screening, Laser Marking, Engrave, Painting
Heat Treatment Normalization, Annealing, Quenching and Tempering, Case Hardening, Nitriding, Carbon Nitriding, Induction Quenching, etc
Surface Treatment Shot/sand blast, Polishing, Surface Passivation, Painting, Anodizing, Powder coating, ED-Coating, Chrome Plating, zinc-plate, Dacromat coating, Finish Painting, hot-dip galvanizing, etc

Our Investment Casting Services Scope

  • Custom investment casting for metal parts (0.01kg – 100kg)
  • Precision CNC machining & secondary processing
  • Surface treatment: polishing, sandblasting, painting, passivation, plating
  • Non-destructive testing (NDT), dimensional inspection & material certification
  • Prototype & mass production solutions

Applicable Industries

Aerospace
Automotive
Medical Equipment
Industrial Machinery
Marine & Shipbuilding
Valve & Pump Parts
Construction Hardware

Quality Assurance

Leesh Holdings implements strict quality control systems certified by ISO 9001. Every casting part undergoes full inspection to ensure dimensional accuracy, material consistency, and performance stability for your critical applications.


Contact Us for Investment Casting Quote

Send your 2D/3D drawings to get a fast and professional custom solution!

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