ITEM NAME:4 Pcs 1/4 " Hex HSS Shank Countersink Wood Drill Bit Set 6 8 10 12 Pilots new Descriptio n Features: Four piece set includes bits for drilling pilot holes for screw sizes #6,#8,#10 and #12. Special designed steel counter sleeve countersinks or counter bores pilot hole. Adjustable counter sleeve depth with Allen wrench. Standard hex shank is quick change compatible. Drill and countersink for wood screws without changing bits. Drilling length can be adjusted for various length screws simply by loosening and tightening the setscrew. Specifications: 6# 2.38mm (0.0937 inch) x 55mm(L) 8# 2.78mm (0.1094 inch) x 60mm(L) 10# 3.175mm (0.125 inch) x 63mm(L) 12# 3.56mm (0.14 inch) x 65mm(L) Shank: 1/4 hex shank. Product Includes: 4 x Countersink Drill Bits 1 x Hex Shank Honesty is gold for all! 4PCs 1/4" Hex Shank Hole Saw Tools HSS Countersink Cone Drill Bit Set
