A base plate adapted to attach a head suspension assembly to an actuator arm. The base plate includes a flange portion with a boss tower perpendicular to a plane of the flange portion. The boss tower includes a swaging hole with a tapered portion that increases in diameter in a direction away from the flange portion.

 
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< Magnetic head slider having protrusions provided on the medium-facing surface and manufacturing method therefor

< Head suspension assembly and magnetic disk apparatus comprising the head suspension assembly

> Head suspension having a displacement limiter

> Head arm of magnetic disk device

~ 00299