SIGMA HARDWARE 

PRECISION

Metal & Plastic Solutinos

Quality + Precision with Added Value. Your trusted OEM/ODM manufacturer with over 25 years of experience delivering high-precision metal machining & plastic solutions worldwide.

Premium Bearing, Wheels & Rollers

OEM Manufacturer

30 years of mold mastery

for

Sliding Doors and Windows

30 Years of Mold Mastery for Sliding Systems

 

Patio Door Rollers

 

Premium rollers designed for smooth operation and durability in patio door applications, compatible with US, Canada, Europe, Japan, Australia & New Zealand replacement parts markets.

 

Wardrobe Door Rollers

 

Specialized rollers engineered for closet and wardrobe sliding doors, ensuring quiet and reliable performance for daily use. 

 

Security Screen Door Rollers

 

Heavy-duty rollers designed for security applications, providing smooth operation while supporting the weight of security screen doors. 

Premium Sliding Door Rollers

 

Smooth & Durable Sliding

 

 

Our sliding door rollers are engineered for friction movement and long-lasting performance, even under heavy use conditions.

 

Why Choose Our Rollers?

In-house mold design for customized needs

。Heavy-duty sliding rollers built to last. Perfect for home or commercial use. 

。Durable sliding door rollers. Bulk, OEM, and factory direct supply worldwide.

 

Secure & Long-Lasting Secuerity Door Rollers

Reliable patio door roller replacements.

Affordable parts for DIY repair. 

Patio & sliding door roller replacements.

Quality parts at fair cost.

Enhanced Security

Designed to support heavier security doors while maintaining smooth operation

Long-Lasting

Built with premium materials for extended service life in high-traffic environments

Precision Engineering

Manufactured with tight tolerances for consistent performance and reliability

Window & Door Roller Solutions

Precision-Engineered for Effortlesss 

Operation

Whether it’s a patio door, wardrobe, or sash window, our rollers are built for durability and ease of use.

* Available in nylon, plastic, stainless steel & zinc alloy for different load needs

* Supports sliding doors, patio doors, wardrobes, screen doors, and sash windows

* Engineered for heavy-duty use with long-lasting smooth operation

* Designed for quick installation and hassle-free replacement

* Compatible with major door & window frame manufacturers worldwide

* Ideal for DIY repair or bulk OEM supply for contractors and builders

Our Molds, Built for Every Sliding Doors & Windows

Our precision-engineered molds are designed to manufacture high-quality rollers.

From residential to commercial use, our rollers fit seamlessly into:

 

Sliding Patio Doors

Sliding Balcony Doors 

Sliding Closet Doors

Sliding Wardrobe Doors

Sliding Screen Doors

Sliding Shower Doors 

Sliding Bathroom Doors

Sliding Industrial Doors

Sliding Commercial Shopfront Doors

Sliding Aluminum Windows

Sliding Sash Windows

         One-Stop Manufacturing Solution

In-House Mold Design

SIGMA Hardware Taiwan with thousands of roller molds ready, we can quickly produce standard designs or create custom solutions tailored to your specific requirements.

Material Optoions

Choose from steel, nylon, stainless steel, aluminum, PU , ABS, or plastic components based on your application needs, weight requirements, and environmental conditions.

OEM/ODM Manufacturing

As an experienced OEM manufacturer, wee can produce rollers to your exact specifications with consistent qualtiy and precision.

Global Compatibility

👉 Partner with us today for OEM manufacturing, bulk supply, or custom roller solutions tailored to your sliding door and window projects.

Why Choose SIGMA Hardware Taiwan?

 

Over 30 Years of Expertise


With three decades in precision roller manufacturing, we deliver proven reliability trusted worldwide.

High-Quality Sliding Solutions
Our rollers, bearings, and wheels are engineered for sliding doors and windows of all types — from patio doors to sash windows.

Unmatched Precision & Durability
Every product is built with strict quality control, ensuring smooth performance and long-lasting durability.

Global OEM & Supply Partner

👉 Choose us for dependable quality, precision-engineered solutions, and a trusted partner in sliding door and window systems.

High-Precision Bearing for Sliding Systems

In addition to sliding door and window rollers, we also specialize in stamping ball bearings that deliver smooth rotation, high load capacity, and long-lasting durability. These bearings are widely applied in door and window hardware, ensuring effortless sliding performance even under continuous use.

Stamping Ball Bearings

 

Stamping ball bearings are widely used in small home appliances, power tools, and automotive components.

 

With lightweight stamped steel housings

provide cost-effective solutions where compact design and smooth rotation are required.

 

Typical applications include

electric fans

washing machines

small motor assemblies

 

👉 Perfect for industries demanding precision at scale,

from household electronics to light mechanical equipment.

Deep Groove Bearings

Deep groove bearings are the most versatile bearing type, suitable for high-speed applications with low noise and minimal maintenance. 

From industrial automation to consumer electronics, deep groove bearings are the backbone of smooth, reliable motion systems.

Tapered Roller Bearings

Taper roller bearings are engineered to commonly found in trucks, agricultural machinery, and industrial transmissions

Guarantee stability under extreme working environments.