HL-B11 Premium 304 Stainless Steel Tandem Sliding Window & Door Roller | Adjustable Double Wheel Assembly for PVC Profiles

Short Description / Bullet Points

• Premium 304 Stainless Steel: Crafted from high-grade S.S.304 for maximum corrosion resistance and rust protection.
• Designed for PVC/uPVC Systems: Specially engineered to fit seamlessly into PVC sliding window and door profile channels.
• Tandem Double Wheel Design: Dual wheels distribute panel weight evenly for enhanced stability and effortless gliding.
• Precision Height Adjustment: Features an integrated height adjustment mechanism (±3.3 mm) for easy alignment.
• Secure Installation: Pre-drilled dual mounting holes (Ø5.2 mm, 136.2 mm hole pitch) ensure fast and reliable installation.

Product Overview

The HL-B11 Tandem Sliding Roller Assembly is a heavy-duty, high-performance hardware solution specially designed for PVC (uPVC) sliding doors and windows. Manufactured from high-grade 304 Stainless Steel, this roller provides outstanding resistance against rust, moisture, and harsh environmental conditions. Featuring a slim 12 mm profile with a tandem double-wheel setup, it distributes frame load evenly across the rail to minimize track friction and ensure quiet, smooth gliding. Equipped with a ±3.3 mm height adjustment system, installers can easily level sliding panels to eliminate gaps and binding.

Technical Specifications

Key Features & Benefits

• Superior S.S.304 Corrosion Resistance

Made entirely from 304 stainless steel, preventing oxidation and pitting in humid or coastal environments.

• Tailored for PVC/uPVC Profiles

Slim 12 mm frame width fits standard internal channels of uPVC sliding doors and windows without modification.

• Tandem Double-Wheel Weight Distribution

Spreads panel weight over two points, lowering contact friction, extending wheel lifespan, and ensuring extra-smooth sliding.

• Accurate Fine-Tuning Adjustment (±3.3 mm)

Allows simple vertical adjustment during or after fitting to compensate for frame sagging or track unevenness.