Category : Electronics4 pcs HSS Countersink Drill Bits + 1 pcs 1/4 Quick Change Hole Hex Shank ScrewPrice: USD4.39 Brand new and high qualitySpecial 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.Other products from focalprice technology Co.Ltd |