Specification Brand : ASNOMY BulletPoint1 : 【Top Quality】Our countersunk drill is made of #45 Carbon Steel shank, alloy bit and high-quality high-speed steel to ensure its high hardness and durability, providing excellent cutting ability. BulletPoint2 : 【Perfect Size Combo Set】Contains 5 sizes: 2.8 x 10mm (7/64"×3/8"), 3.0 x 10mm (15/128"×3/8"), 3.2 x 10mm (1/8"× 3/8"), 3.5 x 10mm (9/64" × 3/8"), 4.0 x 10mm (5/32" × 3/8"), and additionally equipped with 5 pilot drill bit, very suitable for wood hole drills of various sizes hole. BulletPoint3 : 【Removable and Adjustable】The countersink drill set includes 5 sizes of countersink drill bits, and is equipped with 5 spare pilot drill bits and 2 hex wrenches, use the hex key easily to adjust the depth of the countersunk drill bit set and the drilling of various length screws. Meet all your DIY needs. BulletPoint4 : 【Widely Applications】Perfect for most woodworking projects like soft wood, hard wood, fiberboard, plywood, plastic, PVC. Not for metals or steel board. BulletPoint5 : 【LIFETIME SATISFACTION】If there are any problem, please contact us, send your order number and take some photos of the product to us, we will arrange to take a replacement or refund your purchase ASAP. Color : Gold ExternallyAssignedProductIdentifier1 : 653858236314 ExternallyAssignedProductIdentifier10 : 0787721794820 ExternallyAssignedProductIdentifier11 : 00783310176169 ExternallyAssignedProductIdentifier2 : 0653858236314 ExternallyAssignedProductIdentifier3 : 094703524734 ExternallyAssignedProductIdentifier4 : 783310176169 ExternallyAssignedProductIdentifier5 : 696498569503 ExternallyAssignedProductIdentifier6 : 0696498569503 ExternallyAssignedProductIdentifier7 : 0783310176169 ExternallyAssignedProductIdentifier8 : 0094703524734 ExternallyAssignedProductIdentifier9 : 0785533645996 FinishType : Uncoated GpsrSafetyAttestation : 1 IncludedComponents : Wood Countersink Drill Bit ItemName : ASNOMY 10Pcs Wood Countersink Drill Bit Set With 5Pcs Extra Pilot Bit, Tapered 5/16" Round Shank Counter Sinker for Woodworking ItemPackageDimensions_Height : 14.5034 centimeters ItemPackageDimensions_Length : 2.4892 centimeters ItemPackageDimensions_Width : 10.4902 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : countersink-bits Manufacturer : ASNOMY Material : Zinc Alloy, Carbide Material1 : Carbon Steel Material2 : High Speed Steel ModelNumber : 6 PCS NumberOfFlutes : 2 NumberOfItems : 10 NumberOfPieces : 10 PackageLevel : unit PartNumber : AS0145 ProductDescription : Feature: 1)Quick change:The 5/16" Round shank can be used with power drills and quick-change chucks. 2)Durable: High-grade carbide tipped, fully sharpened edge, quick drilling, easy to use, in longer life. 3)Suitable for woodworking-Compatible with drilling machines with chucks, used to drill holes on wooden boards or wooden floors.