Internal Wrenching
Compact-drive fasteners engineered for low-profile aerospace installations.
MAC MS internal wrenching fasteners are designed for assemblies where external wrench flats are impractical.
Featuring internal hex or spline drive configurations, these fasteners provide secure tool engagement and efficient torque application in confined or aerodynamic environments.
Key Features
- Manufactured to MS aerospace specifications
- Internal hex or spline drive
- Compact head geometry
- High torque capability
- Fatigue and corrosion resistance
- Precision-machined for repeatable installation
Available Configurations
MAC internal wrenching fasteners are produced across aerospace-standard dimensional ranges with controlled drive geometry.
- MS part number coverage
- Internal hex and spline drive options
- 8740 alloy steel material
- Thread length and grip variations per specification
MS
MS20004-24
NAS
NAS144-158
Put Our Capabilities to Work
Select MAC internal wrenching fasteners for compact installations requiring controlled torque engagement and production consistency.