ITEM: M42x2.0mm Port, 2.3661 Spotface Diam, Reamer Pilot, Carbide Tipped Porting Tool SCIENTIFIC CUTTING TOOLS. MANUFACTURER: SCIENTIFIC CUTTING TOOLS. BRAND: Scientific Cutting Tools. MANUFACTURER PART: 6149M42X2.0ID. M42x2.0mm Port, 2.3661 Spotface Diam, Reamer Pilot, Carbide Tipped Porting Tool 1.5748 to 13/4 Pilot Diam, 4.35 OAL, 0.7598 Pilot OAL, 4 Flute, ISO 61491, SAE J22441 (MOQ1, Pkg Qty1)CATEGORIES: Maintenance, Repair and Operational (MRO) Supplies. Counterbores & Porting Tools. Porting Tools & Inserts. N/A. TOTAL RECYCLED CONTENT: 10.00%. POSTCONSUMER RECYCLED CONTENT: 1.00%. KEYWORDS: Scientific Cutting ToolsCounterbores & Porting ToolsPorting Tools & InsertsPorting ToolsN/A.