Steel Countersink Drill Bit Countersink Drill Bit Carpentry Woodworking Boring Tool Round Shank with Hex KeySingle 0_14Wrench

Description: 1. Countersinkdrillbit consists of high quality material which is durable and compact, it can prolong the product service life. 2. Chamferdrillbit has superiorperformance fordrilling, chamfering, deburring and counter drilling. 3. Woodworkingchamfer has 10 sizes, you can choose the suitable one according to your needs. 4. Woodworkingreamer has special design for its five chip flutes design which can discharge wood chips faster and more smoothly. 5. Chamferdrillbit has certain applicable scopefor drilling holes on low-hardness boards such as wood, plastic and other soft materials    Specifications: Material: Carbon steel(drill bit), 45# steel(countersink) Countersink Flute: 5 Drill Bit Diameter: 3mm, 3.5mm, 3-10mm(3/4/5/6/7/8/10mm), 3-6mm(3/4/5/6mm)(Optional) Countersink Diameter: 15.8mm Hex Key Size: 55 x 20mm Quantity: Your choice   Package Includes: 1pc(or 1 set) x Countersink Drill Bit 1 x Hex Key   Note: There are only 7pcs in 3-10set, and only 4pcs in 3-6set.