The Widia line of micro boring bars provide accurate holemaking tooling in diameters as small as 1,57mm These economical, indexable inserts are ava

The Widia line of micro boring bars provide accurate holemaking tooling in diameters as small as 1,57mm. These economical, indexable inserts are available in both steel and carbide shanks and are stocked in both metric and inch sizes. Ideal for a wide range of applications, including precision micro boring. Small Hole Boringh H I.D. Indexable Insert Tooling 7 80° Diamond Insert Boring Bars Available in shanks as small as 4mm to bore >4,57mm diameter. Positive rake geometry for free cutting action and better surface finishes. Superior, unobstructed chip evacuation. Stocked in multiple grade s to bore a wide range of materials. Threading and Grooving Boring Bars Easy insert changes for threading and grooving. Thread down to a 48 TPI, 1,3mm TP (pitch). Thread and groove capabilities to an inside bore diameter of 6,91mm.