ITEM: 3/8 Head Diam, 1/4 Shank Diam, 1 Flute 60° High Speed Steel Countersink MSC INDUSTRIAL. MANUFACTURER: MSC INDUSTRIAL. BRAND: MSC Industrial. MANUFACTURER PART: SC1060024. 3/8 Head Diam, 1/4 Shank Diam, 1 Flute 60 High Speed Steel Countersink Bright Finish, 13/4 OAL, Single End, Straight Shank, Right Hand Cut (MOQ1, Pkg Qty1)CATEGORIES: Maintenance, Repair and Operational (MRO) Supplies. Countersinks, Chamfer Mills & Back Chamfers. Countersinks & Sets. N/A. TOTAL RECYCLED CONTENT: 10.00%. POSTCONSUMER RECYCLED CONTENT: 1.00%. KEYWORDS: MSC IndustrialCountersinks, Chamfer Mills & Back ChamfersCountersinks & SetsCountersinksN/A.