Special Features

• Back-up boards manufactured specially for drilling purpose: produced on a flat press from perfectly cleaned wood fibers without the addition of phenolic glues.
• Excellent flatness and thickness tolerance.
• Condensed material close to the surface and very flat surface due to additional fine grinding minimizes burr and tool wear.
• Homogeneous high-density core guarantees excellent chipping and cleaning of the drill.
• Suitable for all drill diameters.
• No hole contamination resulting from phenolic particles or resin smear.
• Free from formaldehyde.

Reduced drill wear; the wood fibers relieved from resin and sand clean the cutting edge of the drill and thus keep them sharp longer. The drill debris can be easily removed through the drill flute, which reduces the danger of drill breakage. The lower friction keeps the drill in a more favorable temperature range.