7 PCS Wood Countersink Drill Bits Set SYWAN Counter Sinking Drill Bits with Stop Collars & Wrench for Carpentry Woodworking Screw Hole Cutter

High Speed Heat Treated Steel: countersink drill bits are made of high speed steel, QUENCHING treatment, so they are HIGH HARDNESS, WEAR-RESISTING and DURABLE. Quickly and accurately drill a smooth hole: Better in CENTERING and NO SKID . Five-edged chamfer design will fast discharge chips from the hole on both sides automatically. Screw Starter with countersink can control the depth of hole by L-wrench, and control the width of hole by changing drill of diffierent diameter(3mm, 4mm, 5mm, 6mm, 7mm, 8mm, 10mm). Easy to use the combination of Hex Key to adjust or disassemble the countersink drill bit and the five-flutes chamfering. The woodworking chamfer drill bit set is suitable for (3-10mm chuck) most Power drill such as bench drill, Hammer drill and so on. strong Quick Change 7 Piece Countersink Drill Bit Set is a perfect gift for Woodworking enthusiast!! /strong br br strong Feature: /strong br High speed heat treated steel, br Suitable for all kinds of wood drilling operations, br Single twist design for smooth drilling, br Compatible with drilling machines with chuck, for drilling in wood or wood flooring. br Bit sizes: 1/8″”, 9/64″”, 5/32″”, 11/64″”, 3/16″”, 13/64″”, 7/32″”, br Made for Screw sizes: No. 5, No. 6, No. 7, No. 8, No. 9, No. 10, No. 12, br Comes with a flip wooden case.

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