Specification Brand : QWORK BulletPoint1 : Versatile Material Composition: Crafted from #45 Carbon Steel for the shank with an Alloy bit and High-speed steel to ensure durability and precision in woodworking applications. BulletPoint2 : Comprehensive Set: Includes a 10-piece set with 5 countersink drill bits in sizes ranging from 2.8 x 10mm to 4.0 x 10mm, and 5 corresponding pilot drill bits. BulletPoint3 : Customizable and Convenient: Features a 5/16" round shank type and adjustable depth countersink bits, allowing for easy control of drilling depth; 2 included hex wrenches make adjustments quick and effortless. BulletPoint4 : Wide Compatibility: Compatible with lithium electric drills, hand drills, and bench drills. BulletPoint5 : Perfect for Woodworking: Ideal for surface drilling and wood drilling applications, making it suitable for woodworking projects, DIY tasks, and home repairs. CuttingAngleString : 82 degrees ExternallyAssignedProductIdentifier1 : 0795973623362 ExternallyAssignedProductIdentifier2 : 795973623362 FinishType : Diamond GpsrSafetyAttestation : 1 IncludedComponents : Drill Bit Stop ItemName : QWORK Wood Countersink Drill Bit Set, 5 Pcs Counter Sinker Drill Bit and 5Pcs Extra Pilot Drill Bit, 5/16" Round Shank, Replaceable Drill Bits and Wrenches ItemPackageDimensions_Height : 0.91 inches ItemPackageDimensions_Length : 6.1 inches ItemPackageDimensions_Width : 4.09 inches ItemPackageQuantity : 1 ItemShape : Round ItemTypeKeyword : countersink-bits Manufacturer : QWORK Material : Diamond Material1 : High Speed Steel Material2 : Carbon Steel ModelNumber : QS31219 NumberOfFlutes : 2 NumberOfItems : 2 NumberOfPieces : 2 PartNumber : CA31219 ProductDescription : QWORK ProductSiteLaunchDate : 2023-12-23T01:38:59.302Z SupplierDeclaredDgHzRegulation : other SupplierDeclaredHasProductIdentifierExemption : 1 SurfaceRecommendation : Wood SurfaceRecommendation1 : Polyvinyl Chloride SurfaceRecommendation2 : Rubber SurfaceRecommendation3 : Wood UnitCount : 1 UnspscCode : 27111700