Product Introduction

BL20 series honing tools are used for 15,72 mm – 18,90 mm (.619" – .744") diameters, lengths are less than 5 times diameters.

For example
BL20-619AS : Soft material mandrel
BL20-619AH :Hard material mandrel
BL20-619AB : Soft bronze material mandrel


L20DM45: L20 is BL20 series stone, DM is diamond abrasive, 4 is 150 grit abrasive size, 5 is level 5 hardness.

For longer length, we could make custom mandrel as your workpiece.
Contact with us to get the right codes for your workpieces.

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