For all you measuring needs!

Whether you are looking for small hand tools such as calipers or micrometers or you need  to set up a quality lab, Mahr Federal has it all.

Let Rapp Industrial Sales help you find the correct tool for the job at hand. We have  years of experience as a Mahr Federal Distributor of both hand tools and Mahr large systems. We also provide repairs, maintenance and calibrations for your equipment.

We service what we sell!

You can search this site by catalog or by clicking on the product categories below.

Digimar Height Measuring Instruments                              MaraMeter is the ideal indicating measuring

are ideal in the workshop, on the                                        Instrument for precision internal and external  

production line and in the inspection room.                          measurements on either individual parts or on

They are simple to operate, fast and accurate.                     serial components.

MarCal Calipers are available as digital                               MarCator Indicators are available as digital

or mechanical instruments. We have                                   or dial versions. From the classic dial

an appropriate caliper for all your                                         indicator to the newest digital indicator. Mahr

application requirements.                                                    offers the best solution for every measuring

                                                                                        task.    

MarConnect-The new flexible MarConnect                        MarForm-Marform Formtesters are the ultra

USB ready interface simplifies both data                            precision form measuring system from Mahr.

transmission to a PC and enables quick and                      They are used whenever and wherever info

universal assembly of a multiple measuring station.            on the geometry of close tolerance of pieces is

                                                                                      required.

MarGage-Measurement standards such                          MarGear-Systems and Solutions for Gear

as gage blocks are the basis of dimensional                     measurement. From double flank measurements

metrology; they are used as a setting                               to analytical gear analysis, from shop solutions

standard for an indicating measuring instrument                to gear labs.

or applied in the lab as a reference standard.

MarStand-MarStand Indicator Stands,                            MarSurf-Surface Metrology covers roughness

Comparator Stands and Run Out                                    and contour measurement. Generally, these

Testing Equipment offer high stability                              methods are based on the tactile stylus method.

thus ensuring precise measurements.

MarTest-For many years Mahr has been one                 MarTool-Measuring and inspection tools are

of the leading Providers of test indicators.                       Indispensable aides for dimensional metrology.

The MarTest series offers not only a broad                     Their simple operation make them the most

product range but also a wide variety of                          versatile instruments for daily use.

accessories at your disposal.

MarVision-Today's rapid production requires             Micromar-Micromar micrometers are available as

systems capable of performance near                       digital and mechanical instruments and are ideal

product manufacturing or in a quality lab.                   for measurement of external and internal dimensions.

Millimar-A broad range of dimensional                        Millimess is the "classic" amongst all measuring

metrology products including matched                        instruments. The newest generation digital

probes and evaluation units as well as high                 comparator with an inductive measuring system

precision mechanical components and customer         combined with most modern state of the art digital

solutions for all measuring tasks in the field                technology. The practical functions such a dynamic

of length metrology.                                                  measurement, combined analog and digital display

                                                                              and easy to use data transmission rounds off the

                                                                              complete Millimess spectrum.

Multimar-Regardless of whether gears, threads,          Shaft Measuring Systems-Flexible measurement-

cones or grooves need measured; the variety               fast and reliable. Highly precise and faster than

of Multimar Universal Measuring Instruments               ever before.

combined with a broad range of accessories

offer an optimal solution solution for nearly all

internal and external measurements.

Precimar-stands for dimensional instruments of the highest precision. These machines and devices are for absolute relative measurement of precision products and testing. Typical applications are products and test equipment for the aerospace and automotive industry as well as testing equipment in calibration laboratories. Precimar products enable you to reliably measure and test lengths, outer and inner diameters, gage blocks, cylindrical and conical threads, dial indicators, dial comparators, probes, etc up to the nanometer scale with the highest precision.