Hot Runner Valve Pin:

1. Material: SKH51, SKD61 (can be custom-made according to customer requirements).

2. Hardness: HRC59-61 (SKH51), HRC50-55 (SKD61).

3. Tolerance: ±0.001 mm

4. Surface treatments: Titanium nitride (TiCN) coating, chromium nitride coating, hard chrome plating, aluminum titanium nitride coating, nitriding, and nanoscale coatings (nARo2), among others—each achieving a surface hardness of HV2400 or higher (coatings available upon customer request).

5. Concentricity: 0.002mm

6. Precision: The precision of the effective mating area for the valve needle is within 0.002 mm, and valve needles of the same specification can be interchangeably matched with their corresponding valve sleeves.

7. Common valve needle size range for machining: Diameter 2–13.5 mm; length 100–1500 mm.
Brand
Coiled up
Product Alias
Custom-shaped valve needles, titanium-plated valve needles
Standard
Industry Standards
Injection molding material
PP
Is it a dedicated supply source for cross-border exports?
Is
Head material
SKH51
Coat material
High-speed steel, SKH51, SKD51, SKH-9, SKD61
Type
Mold Hot Runner System
Heated Nozzle Body Material
S136
Applicable Mold Type
Plastic mold
Item Number
RY014
Surface Treatment
Aluminum Titanium Nitride / Titanium Nitride / Chromium Nitride / Titanium Carbonitride
Entity Processing
High-temperature heat treatment + cryogenic treatment

Inner bore precision within 0.002 mm, compatible with valve needles of the same specification; includes a valve needle positioning sleeve.

More precisely shaped, titanium-plated valve needles with advanced forming—[Warranty]

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