Add to Cart Compare Quick view 0.3125" (5/16) SHANK DIA X 30?ø PER SIDE - 6 FL - ALTIN COATED,QCS-312-060X MICRO 100 MSRP: Now: $73.70 Was: 0.3125" (5/16) SHANK DIA X 30?ø PER SIDE CARBIDE FLAT QUICK CHANGE - COUNTERSINK AND CHAMFER TOOL, 6 FLUTES, ALTIN COATED,QCS-312-060X MIC100-QCS-312-060X MSRP: Now: $73.70 Was: Add to Cart Compare Quick view