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Part 9: A reliable fixing requires a drill hole of the right size!

THE BUILDING MATERIAL FUNCTIONING AS THE INSTALLATION BASE DETERMINES THE DRILLING TECHNIQUE TO USE.

Ei porausta

No drilling
The fixing is installed by hammering or screwing it directly into the porous building material.

Kiertoporaus

Rotary drilling
Non-percussion drilling based on the rotating movement of the drill bit with a regular screwdriver into materials with a weak compression strength, such as building boards.

Percussion drilling
The drilling technique is based on the rotating movement of the drill bit and rapid but light impacts of the percussion action. Percussion drilling is used for solid compact building materials when the diameter of the drill bit is under 20 mm. Drilling into bricks can be begun without the hammering function, but if no hole begins to emerge, percussion drilling is started.

Vasaraporaus

Hammer drilling
The hammering technique is based on the rotating movement of the drill bit and the slow heavy impacts of the hammering action. Used for solid compact building materials.

Timanttiporaus

Diamond drilling
Rotary drilling with a diamond drill bit and without hammering action is used when drilling drill holes with a particularly large diameter and

Lamppu oranssi Remember in particular: To clean the drill hole carefully with a brush and vacuum cleaner/air pump To drill a sufficient deep drill hole at once, often the suitable depth is installation depth hnom + 10 mm Use of a badly worn drill bit is a safety risk and makes the installation work more difficult!

Learn more on...

Part 1: Select a fixing suitable for the building material

The most important factor influencing the choice of the …

Part 2: Always select a fixing suitable for the corrosion conditions

Corrosion refers to the change and breakdown of metal …

Part 3: Always comply with the fixing-specific permissible loads

Two factors must be taken into consideration in specifying …

Part 4: Load types

Depending on the point of use, installations may be …

Part 5: Be careful when fixing close to the edge of the fixing base

The functioning of several fixing types is based on …

Part 6: Cracked or non-cracked concrete?

Concrete is used in construction both unreinforced and reinforced. …

Part 7: Fixing installation methods

1. Pre-installation Pre-installation is the most common installation method …

Part 9: A reliable fixing requires a drill hole of the right size!

THE BUILDING MATERIAL FUNCTIONING AS THE INSTALLATION BASE DETERMINES …

Part 10: Fixing installation depth

The basic rule is that the deeper you install …

Part 11: Tightening a fixing is a matter of technique

Depending on the type, fixings are tightened manually or …