ITEM: 0.075 Min Bore Diam, 1/4 Max Bore Depth, 1/8 Shank Diam, Radial Relief Boring Bar SCIENTIFIC CUTTING TOOLS. MANUFACTURER: SCIENTIFIC CUTTING TOOLS. BRAND: Scientific Cutting Tools. MANUFACTURER PART: BB72A. 0.075 Min Bore Diam, 1/4 Max Bore Depth, 1/8 Shank Diam, Radial Relief Boring Bar Right Hand Cut, Solid Carbide, AlTiN Finish (MOQ1, Pkg Qty1)CATEGORIES: Maintenance, Repair and Operational (MRO) Supplies. Boring Bars & Grooving Tools. N/A. KEYWORDS: Scientific Cutting ToolsBoring Bars & Grooving ToolsBoring BarsN/AN/A.