4 Pcs HSS Countersink Drill Bits + 1 Pcs 1/4 Quick Change Ho

Description: Features: and high quality 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: Model: HSS Drill 4241 Color: black Material: steel 45 Dimension: 6#: 2.38mm (0.0937 inch) x 56mm(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: 55mm(L) Net weight:58.2g Package include: 4 x Countersink Drill Bits( #6,#8,#10 and #12.) 1 x 1/4 Hex Shank

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