Item description:
Shank diameter: 10mm
Beads external diameter: 6mm-30mm
Beads core diameter: 2mm
Material: tungsten steel(blade),45# steel(shank)
Application: processing of higher level wood,such as eaglewood,mahogany,sandal wood,silkwood,etc.
Applicable scenes: better use on bench drill,should avoid use on hand drill.
Usage: professional drill bit for making necklace jewelry beads,buddha pearl etc.
Package includes: 1 piece beads drill bit