M-Shape Butterfly Springs for Mattress Edge Reinforcement

Product Details

M-shape butterfly mattress springs are high-carbon steel edge-support springs whose contoured butterfly geometry reinforces mattress perimeters. Wire gauge runs 1.8-2.3mm, with heights of 40-70mm and widths of 60-120mm, all customizable.

The shape increases lateral stability while keeping the seating edge comfortable and resilient, and the springs suit pocket spring, Bonnell, and continuous coil mattresses.

Features

• Wire is made of high-carbon steel in a 1.8-2.3mm gauge that can be customized.
• The contoured M-shape butterfly geometry provides a stable seating edge that resists sagging and collapse.
• Heights of 40-70mm and widths of 60-120mm can be tailored to a mattress structure.
• Surface finishes include galvanized, phosphated, and anti-rust coating for corrosion resistance.
• The springs are compatible with pocket spring, Bonnell, and continuous coil mattresses.
• Standardized dimensions speed up and stabilize assembly on production lines.

Application

• Reinforcing edges and preventing roll-off in hybrid and innerspring mattresses.
• Delivering commercial-grade durability for hotel and hospitality mattress projects.
• Adding perimeter stability to premium roll-off control designs.
• Strengthening seat edges in sofa cushions.
• Wholesale and OEM/ODM bulk supply for manufacturers and distributors.

Available Designs

FAQ

What material are the M-shape butterfly springs made of?
They are made of high-carbon steel with a 1.8-2.3mm wire gauge, and the gauge can be customized.

Which mattress types are the butterfly springs compatible with?
They work with pocket spring, Bonnell, and continuous coil mattresses.

Can the spring dimensions be customized?
Yes. Height (40-70mm), width (60-120mm), wire gauge, and shape can be optimized for your mattress structure.