HTX Die Springs | ISO & JIS Standard Mold Springs Manufacturer
Die Springs | Heavy-Duty Mold Springs for Precision Tooling
HTX offers high-performance die springs for stamping, injection mold, and fixture applications. ISO, JIS & custom sizes available. Factory direct, certified materials, fast delivery.
Pain Points
Problems we can solve for you
HTX manufactures precision die springs designed for high-cycle, high-load environments. Whether you need standard ISO/JIS types or custom-made die springs, we deliver consistent quality backed by strict quality control and factory-direct pricing.
We serve tooling manufacturers, stamping factories, die casting shops, and fixture builders around the world.
What if there is no drawing?
Free reverse measurement, generate standard drawings and confirm dimensions
No material selected?
Provide material recommendations (such as SUJ2, SKD11, 20Cr, etc.) and heat treatment recommendations
Worry about the poor fit between guide pillar and guide sleeve?
Integrated processing + paired detection to ensure that the sliding clearance is qualified
Worry about quality?
Precision cnc+ grinder + detection + life test
Want to purchase a complete set of mold accessories?
We support one-stop matching of guide post, guide sleeve, punch and die
Factory strength?
Factory shooting + video factory inspection + transparent display of customer cases
Die Springs Gallery
















Product Features
Material: High-quality chromium alloy spring steel (e.g., 50CrVA, 60Si2Mn)
Standard Types: ISO 10243, JIS B5012, US/European color-coded
Color Code Options: Light Load (Yellow), Medium (Blue), Heavy (Red), Extra Heavy (Green), Super Heavy (Brown)
Working Life: Designed for 1,000,000+ cycles under recommended load
Surface Finish: Polished and oiled to resist fatigue and corrosion
Custom Sizes: Available per drawing, sample, or required force specification

Product characteristics:
📎 Tolerances, preload values, and load-deflection curves available in datasheets upon request.
Type | Outer Diameter | Free Length | Load Classes |
ISO | 6–63 mm | 25–305 mm | Light to Super Heavy |
JIS | 6–50 mm | 20–300 mm | Light to Extra Heavy |
Custom | On Request | Any | As required |
Application Scenarios
🛠️ HTX die springs maintain high reliability under repetitive compressive loads in demanding production environments.
- Core Pins
- Mold Pins & Bushings
- Ejector Pins
- Perforating Pins
- Punch Blanks
- Headless Pins
- Stamping Punches
- Piercing Punches
- Hole Punches
- Metalworking Punches
- Button Dies
- Tungsten Carbide Punches
- Aircraft Pins
- Clevis Pins (Stainless Steel)
- Machined Pins
- Grooved Pins
- Metric Pins
- Shouldered Pins
- Furniture fittings
- Bronze Pins
- Guide Bushing
- Gardening tool handles
- Sunglasses frames
- Guide Post
Why Choose HTX Die Springs?
Factory Direct
No middlemen. Lower cost with QC transparency
Inspection Reports
Dimensional + Load Test reports on request
Standard + Custom
ISO, JIS or tailor-made springs available
Small MOQ
Support samples, prototyping & long-term orders
Material Traceability
Every batch linked to steel source & specs
Fast Global Shipping
3–5 day dispatch for standard size
Address
123 5th Avenue, New York, US
Call Us
+1 123 456 7890
Email Us
info@example.com