Die Springs Compression Mould Spring Light/Medium/Heavy Load Duty OD 14mm/ID 7mm
Die Springs Compression Mould Spring Light/Medium/Heavy Load Duty OD 14mm/ID 7mm
Die Springs Compression Mould Spring Light/Medium/Heavy Load Duty OD 14mm/ID 7mm
Die Springs Compression Mould Spring Light/Medium/Heavy Load Duty OD 14mm/ID 7mm
Die Springs Compression Mould Spring Light/Medium/Heavy Load Duty OD 14mm/ID 7mm
Die Springs Compression Mould Spring Light/Medium/Heavy Load Duty OD 14mm/ID 7mm
Die Springs Compression Mould Spring Light/Medium/Heavy Load Duty OD 14mm/ID 7mm
Die Springs Compression Mould Spring Light/Medium/Heavy Load Duty OD 14mm/ID 7mm
Die Springs Compression Mould Spring Light/Medium/Heavy Load Duty OD 14mm/ID 7mm
Die Springs Compression Mould Spring Light/Medium/Heavy Load Duty OD 14mm/ID 7mm
Die Springs Compression Mould Spring Light/Medium/Heavy Load Duty OD 14mm/ID 7mm
Die Springs Compression Mould Spring Light/Medium/Heavy Load Duty OD 14mm/ID 7mm
Die Springs Compression Mould Spring Light/Medium/Heavy Load Duty OD 14mm/ID 7mm
Die Springs Compression Mould Spring Light/Medium/Heavy Load Duty OD 14mm/ID 7mm
Die Springs Compression Mould Spring Light/Medium/Heavy Load Duty OD 14mm/ID 7mm
Die Springs Compression Mould Spring Light/Medium/Heavy Load Duty OD 14mm/ID 7mm
Die Springs Compression Mould Spring Light/Medium/Heavy Load Duty OD 14mm/ID 7mm
Die Springs Compression Mould Spring Light/Medium/Heavy Load Duty OD 14mm/ID 7mm
Die Springs Compression Mould Spring Light/Medium/Heavy Load Duty OD 14mm/ID 7mm
Die Springs Compression Mould Spring Light/Medium/Heavy Load Duty OD 14mm/ID 7mm
Die Springs Compression Mould Spring Light/Medium/Heavy Load Duty OD 14mm/ID 7mm
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Die Springs Compression Mould Spring Light/Medium/Heavy Load Duty OD 14mm/ID 7mmDie Springs Compression Mould Spring Light/Medium/Heavy Load Duty OD 14mm/ID 7mmDie Springs Compression Mould Spring Light/Medium/Heavy Load Duty OD 14mm/ID 7mmDie Springs Compression Mould Spring Light/Medium/Heavy Load Duty OD 14mm/ID 7mmDie Springs Compression Mould Spring Light/Medium/Heavy Load Duty OD 14mm/ID 7mmDie Springs Compression Mould Spring Light/Medium/Heavy Load Duty OD 14mm/ID 7mmDie Springs Compression Mould Spring Light/Medium/Heavy Load Duty OD 14mm/ID 7mmDie Springs Compression Mould Spring Light/Medium/Heavy Load Duty OD 14mm/ID 7mmDie Springs Compression Mould Spring Light/Medium/Heavy Load Duty OD 14mm/ID 7mmDie Springs Compression Mould Spring Light/Medium/Heavy Load Duty OD 14mm/ID 7mmDie Springs Compression Mould Spring Light/Medium/Heavy Load Duty OD 14mm/ID 7mmDie Springs Compression Mould Spring Light/Medium/Heavy Load Duty OD 14mm/ID 7mmDie Springs Compression Mould Spring Light/Medium/Heavy Load Duty OD 14mm/ID 7mmDie Springs Compression Mould Spring Light/Medium/Heavy Load Duty OD 14mm/ID 7mmDie Springs Compression Mould Spring Light/Medium/Heavy Load Duty OD 14mm/ID 7mmDie Springs Compression Mould Spring Light/Medium/Heavy Load Duty OD 14mm/ID 7mmDie Springs Compression Mould Spring Light/Medium/Heavy Load Duty OD 14mm/ID 7mmDie Springs Compression Mould Spring Light/Medium/Heavy Load Duty OD 14mm/ID 7mmDie Springs Compression Mould Spring Light/Medium/Heavy Load Duty OD 14mm/ID 7mmDie Springs Compression Mould Spring Light/Medium/Heavy Load Duty OD 14mm/ID 7mmDie Springs Compression Mould Spring Light/Medium/Heavy Load Duty OD 14mm/ID 7mm

Die Springs Compression Mould Spring Light/Medium/Heavy Load Duty OD 14mm/ID 7mm

HomeDIYer
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By HomeDIYer®

Price:
$3.47 USD
Stock:
In stock (500 units), ready to be shipped

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Description

Die Springs OD 14mm / ID 7mm — Reliable Compression Force for Mould & Tooling Applications

When a worn or undersized spring causes inconsistent ejection, misaligned tooling, or unexpected downtime on your press or mould, the fix starts with the right die spring. Engineers, toolmakers, and CNC machinists who demand repeatable compression performance rely on color-coded die springs to quickly identify load ratings and avoid costly mix-ups on the shop floor.

These die springs feature an outer diameter of 14mm (0.551 in) and an inner diameter of approximately 7.1–7.5mm (0.280–0.295 in) depending on color/load rating. They are wound from high-grade rectangular cross-section alloy steel wire and are available in lengths ranging from 15mm to 300mm (0.59 in to 11.81 in). Color coding follows the ISO 10243 standard: Yellow = light load, Blue = medium load, Red = heavy load, Green = extra-heavy load, Brown = extra-light load.

Typical use cases include injection mould ejector pin return springs, stamping die stripper springs, CNC fixture clamping mechanisms, and industrial press cushioning systems. Long-tail search terms that match this product: "OD 14mm die spring replacement", "ISO 10243 compression spring 14mm", "mould ejector spring yellow blue red green".

⚙️ Compatible with standard ISO 10243 die spring pockets with 14mm OD bores. Verify free length and load rating before installation.

✅ Key Features of These Die Springs OD 14mm Compression Mould Springs

🎨Color-Coded Load Ratings

Yellow (light), Blue (medium), Red (heavy), Green (extra-heavy), Brown (extra-light) — instantly identify load class at a glance, reducing setup errors.

📐Rectangular Wire Cross-Section

Alloy steel rectangular wire maximizes energy storage per unit length compared to round wire, delivering higher load capacity in a compact envelope.

📏Wide Length Range

Available from 15mm to 300mm free length, covering short-stroke ejector returns to long-travel press cushion applications without custom orders.

🔩Consistent OD 14mm / ID ~7mm

Tight dimensional tolerances on OD and ID ensure drop-in fit into standard 14mm spring pockets with no rework or shimming required.

🛡️Shot-Peened Surface Treatment

Shot peening relieves surface stress and extends fatigue life under repeated compression cycles — critical for high-volume stamping and moulding operations.

📦Single or 5-Pack Quantities

Order 1 pc for prototyping or spot replacement, or choose the 5-pack for production tooling sets and maintenance stock — same unit price advantage at quantity.

📐 Technical Specifications — Die Springs Compression Mould Spring

Spring Type Rectangular wire die spring (ISO 10243)
Outer Diameter (OD) 14mm (0.551 in)
Inner Diameter (ID) 7.1–7.5mm (0.280–0.295 in) — see variant options
Free Length 15mm – 300mm (0.59 in – 11.81 in) — see variant options
Load Rating See variant options (Yellow / Blue / Red / Green / Brown)
Material Alloy steel (rectangular cross-section wire)
Surface Treatment Shot peened
Color Coding Standard ISO 10243
Pack Quantity 1 pc or 5 pcs — see variant options
Application Injection moulds, stamping dies, CNC fixtures, industrial presses

❓ Frequently Asked Questions

How do I choose the right load color for my application?

Color indicates load class per ISO 10243: Yellow = light load (lowest force), Blue = medium load, Red = heavy load, Green = extra-heavy load, Brown = extra-light load. Match the color to your required spring force at working deflection. If you are replacing an existing spring, match the color on the old spring. If designing new tooling, calculate the required force at 20–30% deflection and select accordingly.

What inner diameter (ID) should I select?

The ID varies slightly by load color: Yellow and Green variants have an ID of approximately 7.5mm, Blue variants approximately 7.3mm, Red variants approximately 7.1mm, and Brown variants approximately 7.2mm. Select the ID that matches your guide pin diameter — the guide pin should fit inside the spring with a small clearance (typically 0.1–0.3mm).

How strong are these die springs compared to standard coil springs?

Rectangular wire die springs store significantly more energy per unit volume than standard round-wire coil springs of the same envelope size. This makes them the preferred choice for mould and die tooling where space is limited but high force is required. The exact load values depend on the color (load class) and free length selected.

Are these springs corrosion resistant?

These springs are made from alloy steel with a shot-peened surface. They are suitable for typical indoor tooling environments. For applications involving coolant exposure, cutting fluids, or high humidity, consider applying a light coat of oil or grease to the spring surface, or contact us to confirm suitability for your specific environment.

Are these compatible with standard mould spring pockets?

Yes. With an OD of 14mm, these springs are designed to fit standard ISO 10243 spring pockets bored to 14mm. Always verify the pocket depth matches or exceeds the compressed length of the spring at maximum deflection to avoid bottoming out.

How do I decide between ordering 1 pc vs. the 5-pack?

Order 1 pc when you need a single replacement or are prototyping a new tool design. Choose the 5-pack when outfitting a full mould set (which typically uses multiple springs of the same spec), building maintenance stock, or when you want a better per-unit value for production tooling. The 5-pack price per spring is lower than buying five singles.

What deflection rate should I use when calculating working load?

ISO 10243 die springs are typically rated at 20%, 30%, and maximum deflection percentages of their free length. For long service life, it is recommended to operate at no more than 30% deflection under normal cycling conditions. Exceeding 40–45% deflection significantly reduces fatigue life. Consult the load-deflection chart for your specific color and length combination when precision force control is required.

🛒 Select your color, inner diameter, and outer diameter × length & pack quantity above, then add to cart.

 

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