Boring bar
HBB
MICRO 100
Helical Back Rake Boring Tools
Shank Diameter -.0001 to -.0003"
Minimum Bore Dia. +.001 -.000"
Maximum Bore Depth +.030 -.000"
Overall Length ±1/64
Neck is centered to shank for use in jig boring machines. The helical grind provides an ideal top rake for better chip control.
Left-hand boring tools and other sizes also available.
Steel holders available -- see Steel Holders.
Lockdown flat automatically locates tool on center.
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