29 products
BASM Series Bearing Assembly Sockets – Metric
BASM is the metric assembly socket line, sized for KM and BM series metric bearing locknuts. Like the inch BAS sockets, it encapsulates the nut outside diameter and drives all four spanner slots at once through hardened pins, with a square drive for a ratchet, torque wrench or pneumatic driver.
BASM Series Specifications
- Part numbers: BASM-00 through BASM-28 (29 sizes stocked)
- Material & temperature: Carbon steel body with hardened tool-steel drive pins, square drive; 300°F maximum operating temperature
- Standards: Made in USA, RoHS compliant
Applications
Installing and preloading metric bearing locknuts in metric gear drives, motors and imported production equipment.
Related Whittet-Higgins Series
- BAS Series Bearing Assembly Sockets – Inch
- KM Series Bearing Locknuts – ISO Metric
- BM Series BEARHUG Locknuts – Metric
- PINS / PINSM Assembly Socket Drive Pins
Apollo is an authorized Whittet-Higgins distributor. Every part on this page is genuine Whittet-Higgins, manufactured in the USA. Need a size that is not listed, or help matching a locknut to its lockwasher and assembly socket? Contact our team.

