SDTC Tech 1/4 inch Flange Shaft Coupling Metal Axis Bearing Fittings Rigid Coupler for Stepper Motor RC Model (2 Pack) Size:1/4 inch National/NATO Stock Numbers (NSN) are

National/NATO Stock Numbers (NSN) are printed on each product for reference

WHAT CAN DO: Preventing parts loosening due to vibration that can lock and seal the threaded fasteners

2575"Hex Socket Drive 5/16"Nickel plated steel offers a nice shiny finish and good corrosion resistanceAn acorn nut

Measuring Frequency Range: 1Hz~50MHz Signal Frequency: Max

SDTC Tech 1/4 inch Flange Shaft Coupling Metal Axis Bearing Fittings Rigid Coupler for Stepper Motor RC Model (2 Pack) Size:1/4 inch National/NATO Stock Numbers (NSN) areSDTC Tech 1 4 inch Flange Shaft Coupling Metal Axis Bearing Fittings Rigid Coupler for Stepper Motor RC Model (2 Pack) Specification: Inner Diameter: 1 4 inch (6. 35mm)Cylinder Outer Diameter: 10mmCylinder Height: 10mmBase Diameter: 22mmBase Height: 2mmBase Hole Pitch: 16mmFastening Screw Hole: M3Base Fixing Screw Hole: M3Package Include: 2 x 1 4 inch Flange Shaft Coupling 1 x Hex Wrench 4 x M3 Fastening Screw Product Features Flange Shaft Coupling is