Silicon Iron Coil Cores (Heat Treated)

High efficiency. Less heat. Faster response.

Lucky’s Silicon Iron Coil Cores are built for builders pushing modern performance. Proudly made in the USA at Lucky MFG, these cores are crafted from electrical steel and heat treated for maximum magnetic efficiency—the same material used in transformers and electric motors.

If you’re looking to reduce heat, increase speed, and get more out of your power—this is where things get interesting.

Why Silicon Iron?

Silicon iron (electrical steel) is designed to optimize magnetic performance:

• Lower energy loss during each cycle
• More efficient magnetic field generation
• Reduced heat buildup under load

Bottom line:

More efficiency. Less waste. Faster machine response.

Performance Benefits

• High Magnetic Efficiency – Strong field with less power draw
• Reduced Heat Buildup – Ideal for long sessions
• Faster Cycle Speed – Increased responsiveness
• Smooth, Controlled Hit – Efficient energy transfer
• Modern Performance Upgrade
• Made in the USA at Lucky MFG – Built for professional builders

What to Expect

• Strong pull without excessive voltage
• Cooler running coils during extended use
• Faster, more responsive machine feel
• Improved efficiency compared to standard cores

Available Sizes & Configurations

Diameters:

• 5/16" – Uses C-clips
• 3/8" – Uses E-clips

Lengths:

• 1"
• 1 1/8"
• 1 1/4"

Technical Specifications

• Material: Silicon Iron (Electrical Steel)
• Process: Heat Treated
• Manufacturing: Made in the USA at Lucky MFG
• Magnetic Properties: High efficiency, reduced core loss
• Function: Optimized magnetic performance with lower heat output
• Compatibility: Coil tattoo machines
• Use Case: High-performance and efficiency-focused builds

Best For

• High-performance liners
• Long tattoo sessions (reduced heat fatigue)
• Builders focused on efficiency and speed
• Modern machine builds and upgrades

⚠️ Builder Notes

• Offers a more efficient and responsive feel than standard cores
• May require minor tuning adjustments for optimal performance
• Pairs well with setups designed for speed and consistency

Why It Matters

Standard cores waste energy as heat. Silicon iron is engineered to reduce that loss—giving you a machine that runs cooler, cycles faster, and performs more efficiently over time.

Coil Core Guide