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FLEXITOL® Tolerance Adjustment System
The super-efficient solution for distortion-free component assembly with production-related manufacturing tolerances.

Perfectly assembled with Tolerance Adjustment Systems by Bollhoff

Increase product quality
  • Shorten assembly times
  • Lower production costs
  • Provide maintenance advantages
  • And so much more…

Flexitol Type BN              Flexitol Type BN

In many industry sectors there are innumerous reasons to finally say good-bye to dropped fitting pieces, washers or other improvised solutions.

FLEXITOL® Type AW
"The self-adjusting washer"
Can be combined with a variety of nut thread variants, even with existing constructions.
Metal-plastics composite constructionQuick assembly on sheet metal elements through snap connectors or elements for fixation to existing fir-tree components with varying wall thickness

Plastic coated adjustment elementsNo damage to sensitive, e.g. lacquered, surfaces.

Maladjustment lock No shifting through vibration and shocks of pre-assembled FLEXAX® AW during transport.

Metal Adjustment elementsHigh axial load capacity for high-strength screw connections, class 8.8.

Heat resistantWide application range from -40 to +120 °C

Many design optionsEasy adaptation to customer situation through variation of plastic elements.


FLEXITOL® Type BN
"Self-adjusting washer and connection element,
combined in one component"
Configuration: The system consists of an adjustment element for tolerance compensation and a main body in the form of a RIVKLE® blind rivet nut with an adjustment and a mounting thread. After setting the RIVKLE®, the adjustment element is completely driven into the RIVKLE®.
RIVKLE® blind rivet nut as connection element
  • Simple assembly process
  • Assembly at any stage of the production process. Setting of the RIVKLE® blind rivet nut possible prior to surface treatment (in an individual case clarification with engineering with regard to the melting of the adjustment thread is necessary)

Solid metal versionHigh thermal (Tmax = 300 °C) and chemical resistance.

Compact designSmall protrusion measurement in the separation joint of the parts for connection.

Simple construction
  • Small diameter
  • Flexible adjustment to customer applications

Tolerance Compensation System
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