Specification Brand : Ainazongo BulletPoint1 : Box Contents: This 4pcs Countersink Drill Bit Set includes four high-speed steel (HSS) M2 tapered bits in sizes 7/64", 1/8", 9/64", 5/32"along with5/16" and 3/8" 82° counterbores. The 1/4" hex shank ensures a secure grip and universal compatibility. BulletPoint2 : Depth Adjustable: Achieve precise drilling with our countersink bit set. It features adjustable pilot drill and counterbore depths. Use the included wrench to effortlessly set the depth stop. The plastic free - spinning collar effectively minimizes surface marring. BulletPoint3 : Sturdy and Durable: The sharp tungsten - steel alloy can create smooth countersink and counterbore holes. The M2 HSS countersink bit, equipped with spiral chip flutes, ensures swift and efficient cutting. BulletPoint4 : Compact and Convenient:The lightweight carrying case (3.95 ounces/112g) stores all four countersink bits, a plastic free - spinning collar, and an Allen wrench. The case is designed with a hanging hole, facilitating easy storage and transportation. BulletPoint5 : Wide Application: This set is suitable for use with natural woods, chipboard, man - made boards, plywood, MDF, pine decking, drywall, and various plastic boards. ExternallyAssignedProductIdentifier1 : 0763300187368 ExternallyAssignedProductIdentifier2 : 763300187368 FinishType : Silver GpsrSafetyAttestation : 1 IncludedComponents : Countersink Drill Bit Set ItemName : 4 Pcs Countersink Drill Bit Set with Low Friction Depth Stop, HSS M2 Bits Tapered Head 2.8mm,3.2mm Drill+8mm 82° Counter Bore,3.5mm,4.0mm Drill+ 10mm 82° Counter Bore,1/4” Hex Shank ItemPackageDimensions_Height : 17.6022 centimeters ItemPackageDimensions_Length : 4.699 centimeters ItemPackageDimensions_Width : 9.2964 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : countersink-bits Manufacturer : Ainazongo Material : High Speed Steel ModelNumber : D4 NumberOfFlutes : 1 NumberOfItems : 1 NumberOfPieces : 8 PartNumber : D4 ProductDescription : 4 Pcs Countersink Drill Bit Set with Low Friction Depth Stop, HSS M2 Bits Tapered Head 2.8mm,3.2mm Drill+8mm 82° Counter Bore,3.5mm,4.0mm Drill+ 10mm 82° Counter Bore,1/4” Hex Shank ProductSiteLaunchDate : 2025-03-19T10:03:29.673Z Size : 50mm / 2in SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 SurfaceRecommendation : Metal,Steel SurfaceRecommendation1 : Wood SurfaceRecommendation2 : Engineered Wood SurfaceRecommendation3 : Plastic SurfaceRecommendation4 : Acrylonitrile Butadiene Styrene UnitCount : 8 UnspscCode : 27111700