Specification Brand : DEWALT BulletPoint : The brand in which professionals trust BulletPoint1 : Industrial-Grade M35 Cobalt Steel: Made with 5% cobalt-enriched M35 steel, these 1/4" drill bits deliver superior strength, heat resistance, and wear durability—ideal for drilling stainless steel, cast iron, and other tough metals. BulletPoint2 : Dual Twist Flute & Fully Ground Design: Features a fully ground, dual twist flute for smoother drilling, faster chip removal, and greater precision—reducing friction and extending tool life during heavy-duty use. BulletPoint3 : 135° Split Point for Precision Starts: The 135° split point tip ensures accurate starts with minimal walking, making it easier to drill clean, precise holes on hard or curved surfaces.. BulletPoint4 : Straight Shank with Chamfered End: Designed with a straight shank for a secure fit in standard drill chucks and a chamfered end for smooth bit changes and better grip stability during operation. BulletPoint5 : Durable Transparent PP Case: Comes in a tough, transparent plastic case that keeps all 10 drill bits organized, protected, and easily visible—perfect for professionals and DIYers who value efficiency and tool care. Color : Multi CustomerPackageType : Standard Packaging CuttingAngleString : 135 degrees ExternallyAssignedProductIdentifier1 : 798256092497 ExternallyAssignedProductIdentifier10 : 0787721680758 ExternallyAssignedProductIdentifier11 : 0733353083894 ExternallyAssignedProductIdentifier12 : 5448095675911 ExternallyAssignedProductIdentifier13 : 0737888232000 ExternallyAssignedProductIdentifier14 : 6642526687163 ExternallyAssignedProductIdentifier15 : 0007378882320 ExternallyAssignedProductIdentifier16 : 0074748349707 ExternallyAssignedProductIdentifier17 : 00737888232000 ExternallyAssignedProductIdentifier2 : 604310239237 ExternallyAssignedProductIdentifier3 : 5035048060711 ExternallyAssignedProductIdentifier4 : 0604310239237 ExternallyAssignedProductIdentifier5 : 5035048489444 ExternallyAssignedProductIdentifier6 : 0798256092497 ExternallyAssignedProductIdentifier7 : 05035048489444 ExternallyAssignedProductIdentifier8 : 7147905956391 ExternallyAssignedProductIdentifier9 : 6593856643339 FinishType : Uncoated GpsrSafetyAttestation : 1 IncludedComponents : Components included ItemDisplayDimensions_Height : 1.2 centimeters ItemDisplayDimensions_Length : 4.8 centimeters ItemDisplayDimensions_Width : 22 centimeters ItemName : DeWalt DT6686QZ 10 x 200mm Extreme Masonry Drill Bit ItemPackageDimensions_Height : 27.8 centimeters ItemPackageDimensions_Length : 0.9 centimeters ItemPackageDimensions_Width : 5.5 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : jobber-drill-bits Manufacturer : Dewalt Material : High Carbon Steel ModelNumber : DT6686-XJ NumberOfFlutes : 1 NumberOfItems : 1 NumberOfPieces : 1 PackageLevel : unit PartNumber : DT6686-XJ ProductDescription : Get reliable performance and precision with this 5-piece 1/4" cobalt drill bit set, built for demanding metal drilling tasks. Each bit is crafted from premium M35 grade cobalt steel containing 5% cobalt, offering exceptional durability and heat resistance when working on hardened materials like stainless steel, cast iron, and titanium.
These jobber-length bits are fully ground for accuracy and feature a dual twist flute design that promotes efficient chip removal and smooth drilling. The 135° split point tip ensures fast, accurate starts without walking, reducing the need for pilot holes and improving drilling efficiency.
Designed with a straight shank and chamfered end, each bit provides a secure hold and easy insertion into standard chucks. Finished with a bronze hue for added corrosion resistance, this set is both rugged and professional in appearance.
Neatly packed in a transparent, heavy-duty PP plastic case, this set is ideal for keeping your bits organized, visible, and protected—whether you're on the job site or working in your home workshop.