Specification Brand : DARTOTEK BulletPoint1 : 1. Wide Application: Suitable for natural wood, particle board, man-made boards, plywood, medium density fibreboard, decorative boards, drywall and all kinds of plastic boards BulletPoint2 : 2. Set Size: The set includes 5pcs HSS M2 bits tapered head in sizes 1/8", 9/64", 5/32" drills+ 3/8” 82° counter-bore and 11/64" ,3/16" drills+ 1/2" 82° counter bore and a 1/4” hex shank for both a secure grip and a universal compatibility with most drills. The recommned speed is 2000-5000RPM BulletPoint3 : 3. Sharper: M2 HSS drill with helical cutting edge ensures fast cutting; sharp cutting edge produces smooth countersunk holes, ideal for screws conforming to the 82 degree imperial (US) standard BulletPoint4 : 4. Depth Adjustable : Hexagon socket screw fixing slot, can be adjusted according to the height required, easy to adjust the depth and diameter of the countersunk hole. The added plastics collar can reduce surface marring effectively BulletPoint5 : 5. Good limiting effect: The limiting ring is set with rectangular holes, which can effectively discharge chips quickly. Equipped with free rotating ring, which makes the machining surface free from damage and scratches Color : Gold ExternallyAssignedProductIdentifier1 : 0763300187368 ExternallyAssignedProductIdentifier2 : 763300187368 FinishType : Silver GpsrSafetyAttestation : 1 IncludedComponents : Countersink Drill Bit Set ItemName : DARTOTEK Countersink Drill Bit Set,with Low Friction Depth Stop, HSS M2 Counter Sink Drill Bit for US Wood Screw, 1/8" 9/64" 5/32" 11/64" 3/16" 82° Counter-Bore,Adjustable Depth Countersink Drill Bit ItemPackageDimensions_Height : 18.8 centimeters ItemPackageDimensions_Length : 5.4 centimeters ItemPackageDimensions_Width : 12.2 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : countersink-bits Manufacturer : SHDIATOOL Material : High Speed Steel ModelNumber : D4 NumberOfFlutes : 2 NumberOfItems : 5 NumberOfPieces : 8 PartNumber : DK2-O051402D001.DK ProductDescription : ABOUT PRODUCTION: DARTOTEK Countersink Drill Bit Set,with Low Friction Depth Stop Application:Suitable for natural wood, particle board, man-made boards, plywood, medium density fibreboard, decorative boards, drywall and all kinds of plastic boards Feature: Hexagon socket screw fixing slot, can be adjusted according to the height required, easy to adjust the depth and diameter of the countersunk hole. The added plastics collar can reduce surface marring effectively ; the limiting ring is set with rectangular holes, which can effectively discharge chips quickly. Equipped with free rotating ring, which makes the machining surface free from damage and scratches ; Quick-fit shank is suitable for Electric hand drills, bench drills Ultra-clean, spark-free,chip-free cuts without heat discolouration.