1.3343 (M2) Steel Hot Runner Nozzles | Precision Parts for PET Preform Molds

Product Overview

1.3343 steel hot runner nozzles are precision mould components designed for PET preform injection mould systems. Manufactured by Senlan Precision based strictly on customer drawings, these nozzles provide stable thermal performance, high wear resistance, and dimensional consistency under continuous high-temperature operation in multi-cavity preform moulding applications.

Key Features & Advantages

• 1.3343 High-Speed Tool Steel
  Excellent hot hardness, wear resistance, and thermal stability.

• Precision CNC Machining
  Tight dimensional control for flow balance and assembly accuracy.

• Optimized Thermal Performance
  Stable melt flow under continuous hot runner operation.

• High Surface Integrity
  Reduced material adhesion and minimized flow disturbance.

• Built-to-Print Manufacturing
  Fully customized production based on customer drawings and specifications.

Application Scenarios / Industry Use

• PET preform injection moulds

• Multi-cavity hot runner systems

• Bottle preform mould tooling

• High-output packaging moulds

• Injection mould systems for food and medical packaging

Mold Structure & Design Description

The hot runner nozzle functions as a critical melt delivery component within PET preform moulds. 1.3343 steel ensures dimensional stability and resistance to thermal fatigue during prolonged heating cycles. Senlan Precision focuses on concentricity, internal flow geometry accuracy, and surface finish to maintain consistent melt distribution across cavities.

Manufacturing Capability & CNC Machining

Senlan Precision utilizes advanced machining and inspection equipment to ensure reliable quality:

• High-precision machining centers from MAKINO (Japan)

• CNC turning and milling systems from HARDINGE (USA)

• Precision grinding and internal profiling processes

• Controlled heat treatment for thermal stability

• Capability for prototype, small batch, and volume production

Custom Development / OEM Cooperation Process

1. Drawing & Specification Review
   Material, dimensions, tolerances, and operating temperature

2. Engineering Evaluation
   Flow structure and manufacturability assessment

3. Process Planning
   CNC machining, heat treatment, and finishing route

4. Production & Inspection
   In-process dimensional and surface verification

5. Final Inspection & Delivery
   Export-standard packaging with full traceability

All projects follow OEM and Built-to-Print manufacturing principles.

Quality Control & Export Experience

• Incoming raw material verification

• In-process dimensional and thermal stability checks

• Surface finish and internal geometry inspection

• Final quality validation prior to shipment

• Long-term export supply to European and North American mould makers

Related Products

• Hot Runner Mold Components

• Precision Mold Core Inserts

• PET Preform Mold Parts

• Multi-Cavity Mold Tooling Components

• Injection Mold Spare Parts

Frequently Asked Questions (FAQ)

Q1: Are these hot runner nozzles standard items?
No. All parts are custom-manufactured based on customer drawings.

Q2: Why use 1.3343 steel for hot runner nozzles?
It provides excellent hot hardness, wear resistance, and thermal stability.

Q3: Can internal flow geometry be customized?
Yes. Internal profiles are fully machined according to design requirements.

Q4: Is this suitable for high-cavity PET preform moulds?
Yes. The material and machining process support stable multi-cavity operation.

Get a Quote

Please send your drawings, material requirements, operating temperature, and order quantity.
Our engineering team will evaluate your project and provide a detailed quotation and lead time.