Hettich Onsys 4447i Clip On Hinge - for 14-25 mm thick doors; Opening angle 105 Degree with 4 hole Mounting Plate
HingesHettich Onsys 4447i Clip On Hinge - for 14-25 mm thick doors; Opening angle 105 Degree with 4 hole Mounting Plate
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Integrated Silent Soft-Closing ("i" Series): Built-in hydraulic dampener ensures cabinet shutters close quietly and smoothly, preventing slam-shut damage over years of daily use.
Tool-Free Clip-On Assembly: Snap-on design allows fast mounting and unmounting of shutters onto the 4-hole base plate without tools or unfastening screws.
4-Hole Heavy-Duty Mounting Plate: The 4-hole base plate distributes weight effectively across cabinet carcasses, reducing screw pull-out risks on engineered wood (MDF/Particle Board).
Versatile Door Thickness Range (14–25 mm): Handles standard to heavy shutters smoothly without rubbing against adjacent cabinet walls.
TH52 Drilling Pattern: Features a standard 35 mm cup with a 52 mm center-to-center distance for cup mounting screws.
Wide 105^\circ Opening Angle: Provides open access to internal shelves while avoiding over-extension against nearby walls or fixtu Integrated Silent Soft-Closing ("i" Series): Built-in hydraulic dampener ensures cabinet shutters close quietly and smoothly, preventing slam-shut damage over years of daily use.
Tool-Free Clip-On Assembly: Snap-on design allows fast mounting and unmounting of shutters onto the 4-hole base plate without tools or unfastening screws.
4-Hole Heavy-Duty Mounting Plate: The 4-hole base plate distributes weight effectively across cabinet carcasses, reducing screw pull-out risks on engineered wood (MDF/Particle Board).
Versatile Door Thickness Range (14–25 mm): Handles standard to heavy shutters smoothly without rubbing against adjacent cabinet walls.
TH52 Drilling Pattern: Features a standard 35 mm cup with a 52 mm center-to-center distance for cup mounting screws.
Wide 105^\circ Opening Angle: Provides open access to internal shelves while avoiding over-extension against nearby walls or fixtu
The Hettich Onsys 4447i Clip-On Hinge (TH52 Pattern) is a premium hydraulic concealed hinge solution engineered for modern modular kitchens, vanity units, and bedroom wardrobes. Designed for door thicknesses between 14 mm and 25 mm, the "4447i" combines convenient tool-free installation with silent closing performance.
At the heart of the hinge is an integrated hydraulic dampener that catches the shutter mid-swing, gently guiding it to a whisper-quiet soft close. The Clip-On mechanism allows installers to pre-mount the 4-hole plate inside the cabinet carcass and simply snap the hinge arm into place during final site assembly.
With its TH52 cup profile (35 mm cup diameter with 52 mm screw spacing) and high-grade nickel-plated steel construction, the Onsys 4447i provides long-term resistance against rust, sag, and mechanical wear. Integrated multi-directional adjustment screws allow fine-tuning of shutter height, depth, and side gaps for clean, aligned cabinet lines.
Warranty: Lifetime
Brand Warranty as per manufacturer
Customer must call on manufacturer's customer care number or visit their website to register complaint.
Customer Care Number: 1800 209 2096
Return/Exchange
Damage, Defective, Wrong or expired item, you can request a refund/replacement within 24 Hrs of delivery. A photo and video for claiming the same would be required. Product cannot be returned once opened or used.
1. What does the "i" in Onsys 4447i stand for?
The "i" denotes Integrated Soft-Closing (hydraulic silent mechanism). Unlike regular self-closing hinges, the 4447i slowly catches the shutter before contact to eliminate noise and cabinet wear.
2. What is the difference between TH52 and T42 drilling patterns?
TH52 (This Hinge): The two screw holes on the hinge cup are spaced 52 mm apart.
T42: The screw holes on the hinge cup are spaced 42 mm apart.
(Both use the standard 35 mm cup cutout hole, but the mounting screw distances differ).
3. Why is a 4-Hole mounting plate better than a 2-Hole plate?
A 4-Hole mounting plate provides twice the contact points on the cabinet side wall. This extra grip prevents screws from pulling out or loosening over time, making it ideal for tall, heavy, or high-frequency doors made of plywood, particle board, or MDF.
4. Which overlays/cranks are available for the Onsys 4447i?
The 4447i comes in three overlay configurations:
0 Crank (Full Overlay): For doors that fully cover the cabinet side-wall.
9.5 Crank / 8 Crank (Half Overlay): For dual doors sharing a central divider.
16 Crank (Inset / Flush): For doors that sit flush inside the cabinet carcass.
5. How many hinges should be installed per shutter?
Hinge quantities depend on shutter height and total weight:
Up to 900 mm height (under 7 kg): 2 hinges
900 mm – 1600 mm height (7–12 kg): 3 hinges
1600 mm – 2000 mm height (13–19 kg): 4 hinges
2000 mm – 2400 mm height (20+ kg): 5 hinges
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