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 Boring • I.D. Indexable Insert Tooling 80° Diamond Insert Boring Bars Threading and Grooving • Available in shanks as small as 4mm Boring Bars to bore >4,57mm diameter. • Easy insert changes for threading and grooving. • Positive rake geometry for free cutting actionand better surface finishes.• Thread down to a 48 TPI, 1,3mm TP (pitch). • Superior, unobstructed chip evacuation. • Thread and groove capabilities to an insidebore diameter of 6,91mm. • Stocked in multiple grades to bore a wide range of materials. D2 widia.com