REALSON TECH • INSTALLATION TOOLS

MP550BF-MR

Pneumatic Fastener Installation Tool

A compact pneumatic installation tool designed for controlled installation of aerospace fasteners. The system combines a pneumatic motor, torque driver, wrench adapter and nose adapter in a modular configuration for different fastener sizes and applications.

VIEW SPECIFICATIONS →
MP550BF-MR pneumatic fastener installation tool
90–120 psiOperating air pressure
39.9 N·mNo-load torque
450 RPMMotor speed
1.69 kgTool weight
AEROSPACE FASTENER INSTALLATION

Modular Tooling for Controlled Assembly

The MP550BF-MR is configured around a pneumatic motor assembly and interchangeable adapters. Different wrench and nose adapters can be selected to match the fastener diameter and installation configuration.

Controlled Torque Output

Specified no-load torque is 39.9 N·m, supporting repeatable fastener installation in demanding assembly work.

450 RPM Motor Speed

The pneumatic motor is specified at 450 RPM for efficient production use.

Interchangeable Adapters

Wrench adapters and nose adapters can be selected for different fastener sizes and configurations.

MP550BF-MR product view
MODULAR INSTALLATION SYSTEM

Built Around Replaceable Tooling

The complete pneumatic assembly consists of the pneumatic motor assembly together with the appropriate wrench adapter and nose adapter. This modular arrangement allows the tool to be configured for multiple fastener diameters while maintaining a common powered platform.

Pneumatic Motor Assembly Uses the MH550BF-MR pneumatic motor assembly as the powered core of the installation system.
Main Torque Driver Manual documentation identifies the main torque driver as MTD550BFR.
Wrench Adapter MPBFR3-series wrench adapters are selected according to the installation size.
Nose Adapter Nose adapter selection depends on fastener diameter and configuration.
TECHNICAL DATA

MP550BF-MR Specifications

Operating pressure90–120 psi
No-load torque39.9 N·m
Motor speed450 RPM
Air consumption22 CFM
Weight1.69 kg
Overall lengthApprox. 269 mm
Overall heightApprox. 150.5 mm
Pneumatic motor assemblyMH550BF-MR
Main torque driverMTD550BFR
Tool familyMP550BF-MR
FASTENER RANGE

Supported Installation Sizes

The supplied manual lists multiple configurations spanning common aerospace fastener diameters from 5/32 in through 3/8 in.

5/32"-5 series
3/16"-6 series
7/32"-7 series
1/4"-8 series
9/32"-9 series
5/16"-10 series
11/32"-11 series
3/8"-12 series
Adapter combinations vary by fastener size. The manual also references compatibility tables for Visu-Lok® and COMPOSI-LOK® part-number families.
AIR SUPPLY & MAINTENANCE

Designed for Reliable Pneumatic Operation

The manual recommends clean, dry filtered air within the specified pressure range and regular lubrication of the pneumatic tool. Air pressure should not exceed 120 psi. The tool should be disconnected from the air supply when not in use, when changing accessories, or during maintenance.

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