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This 3mm right-hand drill bit from Grass is the dedicated boring tool for installing aluminum front pull-out components in the Vionaro drawer system. It drills the precise pilot holes the Vionaro front hardware requires, keeping fasteners seated correctly and fronts aligned the first time.
Vionaro is Grass's metal drawer system with aluminum side profiles and a coordinated interior. The aluminum front pull-out component attaches the drawer front to those profiles, and that attachment depends on pilot holes drilled to a specific diameter. A hole that runs even slightly large lets the fastener spin without biting; one that runs too tight risks splitting the front or stripping the hardware. This bit removes that variable. Use it at the boring stage, before the front goes on, to put the correct hole in the correct place for a clean, rattle-free front installation.
Grass specifies this bit for aluminum front pull-out work within the Vionaro system. Construction material and coating details are not listed in the available source data. For drilling depth stops, speed settings, and any additional tooling requirements, follow the Vionaro installation guide published by Grass.
Cabinet shops running Vionaro on a regular basis benefit most from keeping this bit at the boring machine — it is the right tool for one specific step and removes a measurement variable from production. Installers doing a single Vionaro project will find the same advantage: the correct bit means the front goes on square without fussing over whether a substitute size is close enough. It is not a general-purpose bit and is not intended for non-Vionaro applications.
It is sold as an individual bit. If Grass offers a Vionaro installation kit that includes boring bits, that would be a separate SKU; this listing covers the 3mm right-hand bit on its own.
A generic 3mm bit will cut a 3mm hole, but Grass engineers this bit specifically for the Vionaro front pull-out fitting. For production work where front alignment has to be consistent across every drawer, the system-matched bit is the lower-risk choice.
The product is specified for the aluminum front pull-out. Other Vionaro drilling operations — such as rear bracket holes or runner mounting — may call for different bits or templates. Refer to the Grass Vionaro installation documentation for the full boring plan.
It is specified for Vionaro. Other Grass platforms have their own hardware geometries and may require different bit sizes or types. Do not assume cross-system compatibility without checking the relevant installation guide.
One wrong-diameter hole at the boring stage can hold up an entire drawer front installation. Having the correct Grass-specified 3mm right-hand bit on hand means that step goes cleanly, fronts seat properly, and the Vionaro system performs the way it was built to.
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