Top 10 Best Combined Drill Countersinks

HIGH DURABILITY - This countersink drill bit set is proudly made of classic High Speed Steel with excellent hardness of HRC 62-64 it offers superior cutting power, high durability, and good abrasion resistance. TRUE 82 ANGLE These pilot screw countersinks bits are designed to match the most commonly used woodworking 82 screws you might encounter in the US and Canada. SELF-CLEARING Drill bits are precisely fit into the countersink sleeves and the two chamfered flutes enable faster operation and self-clearing drilling on the swarf, making perfectly sized and shaped holes. PERFECT YOUR CARPENTRY - The 2 in 1 design turns two-step countersinking into one-step operation. This can make perfect countersink holes for both flush-set and plugged screws, without splitting the wood and enjoying neat projects with drill bit sets. VERSATILE USE Comes with 5 pieces of replaceable drill bits as a bonus and covers the full range of screw sizes. The countersink bits are ideal for bench drill, hand drill, and a conventional electric drill, perfect for wood, fiberboard, particleboard, plywood, plastic, PVC, rubber, etc...

Made of M42 steel for longer tool life. Plain style. Ground from solid. Used for centering work ends where the work piece is to be revolved on machine centers. 60 Degree countersink angle fits all standard centers.

High-speed steel tools are good for most general purpose applications, offering a combination of hardness and toughness for wear resistance. Uncoated tools feature just the base substrate without any additional treatment or coatings and are suitable for a wide range of applications. 60 degree angle. Set includes 1, 2, 3, 4, 5 C'drills. This 5-piece set includes one piece each of the following plain type combined drill.

PREMIUM QUALITY - The center and spotting drills are made of durable high speed steel for providing wear resistance and remove chippings clearly and long service life.. PRODUCT FEATURE - The bits with the 60countersink angle have double ended design.Center drill bit can be used to process the centering hole and countersink of general material.. SPIRAL FLUTE - The combined center drill bits are design with spiral groove, decreasing friction and heat, which can help clear chips and debris away from the bit quickly. It is a useful tool for DIY amateur.. EASY TO USE - Easy to install and change bits fast.5pcs bits for you to choose a match type to drill 10 different countersinks.. WIDELIY USE - These center bits are used for producing center holds in components or work pieces with require machining between centers. Suitable for guiding twist drill for processing hole to reduce error..

Material High Quality HSSM2. Standard 60 degree included angle,Used in making starter holes.. It includes 1 each of sizes 1, 2, 3, 4 and 5. Each drill has a double end and is ground with a standard 60 degree included angle. Contained in a convient reusable case.

Material and Features High-speed Steel, high hardness, rustproof, solid, durable and excellent for use.. Convenience Easy to use and install, change bits fast which one-handed load and release.. Durable and Resistance Center drill bit is made of HSS high speed steel, with extremely sharp blade, low consumption and durable with impact resistance, wear resistance.. Available for all Kinds of Materials Metal, Alloy, Copper, Iron, Wood, Aluminum, and so on.. Wide Usages Center drill bits can be used to make conical holes for a lathe center in order to make a starting point for a standard twist drill, designed to prevent the twist drill from walking, as well as for producing center holds in components or work pieces with require machining between centers..

Solid carbide tools offer long tool life and faster cutting speeds than other substrates, but are more brittle and must be used with rigid toolholding systems. Uncoated tools feature just the base substrate without any additional treatment or coatings and are suitable for a wide range of applications. Round shanks allow use with a wide variety of toolholding systems. When run in a counterclockwise direction right-hand cut spiral fluted tools evacuate chips up and out of the cut to reduce clogging. Used for producing center holes in work pieces which require machining between centers.

High-speed steel tools are good for most general purpose applications, offering a combination of hardness and toughness for wear resistance. Black oxide treatment adds lubricity and creates small pockets on the surface of the tool that act to hold coolant near the cutting edge. Round shanks allow use with a wide variety of toolholding systems. When run in a counterclockwise direction right-hand cut spiral fluted tools evacuate chips up and out of the cut to reduce clogging. Used for producing center holes in work pieces which require machining between centers.

1824 Number 4 combined drill and countersink. Number 4 plain type drill and countersink. Cle-Line is a familiar name to users of quality cutting tools. Cle-Line cutting tools have been manufactured for decades specifically for the construction, maintenance, repair, operating and industrial markets. Made in the USA.

1.Set of 10pcs2pcs of each sizes HSS Center Drills.. 2.Imperial units sizes 18 316 14 516 38 in tip diameter.. 3.Material High speed steel.. 4.Drill accurate center holes in material prior to turning, or use as a starter bit for accurate holes.. 5.Available for all Kinds of Materials Metal, Alloy, Copper, Iron, Wood, Aluminum, and so on..

Carbide. 316 Shank Diameter. 1-12 Overall Length. 2 Flute.