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Cutting Diameter:

Cutting Length:

Product:

Material:

Coating / Finish:

Help with Core Bits specifications:

Drill Specifications
   Cutting Diameter:       Full tool cutting diameter. 
   Search Logic:      User may specify either, both, or neither of the "At Least" and "No More Than" values. Products returned as matches will meet all specified criteria.
   Cutting Length       The cutting, or flute length of the drill. 
   Search Logic:      User may specify either, both, or neither of the "At Least" and "No More Than" values. Products returned as matches will meet all specified criteria.
   Product       
   Your choices are...         
   Individual Drill       Product is a single component. 
   Drill Set       Product is a set, consisting of a variety of sizes. 
   Search Logic:      All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.
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Construction
   Material       
   Your choices are...         
   High Speed Steel       Cost-efficient cutter material, used for general application metal machining. 
   Cobalt       Cobalt steel drills are somewhat harder than high speed steel and are often used for drilling in stainless steel and other alloys. 
   Carbide       Carbide grades are much harder than high speed steel, and therefore last longer and wear less. Several coatings are available to lengthen cutter life. 
   Diamond / PCD       Industrial diamond grades such as polycrystalline diamond (PCD) are used for very long life, and sometimes for special applications such as very high speed cutting. 
   Other       Other unlisted or specialized cutter material. 
   Search Logic:      All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.
   Coating / Finish:       
   Your choices are...         
   None       Uncoated cutting edges. 
   Coated       Drill has a coating to assist in cutting lubricity and/or add abrasion resistance for longer tool life. 
   TiN       Titanium Nitride. Widely used general purpose tool coating, used in most cutting operations. Good adhesion and low friction; typically pale gold in color. 
   TiCN       Titanium Carbonitride. Good hardness and smoothness, often used on drills and reamers for castings and nonferrous materials. Often bluish gray in color. 
   TiAlN       Titanium Aluminum Nitride. This coating actually forms an oxide-like layer on the tool substrate. Typically used in high speed or high heat dry-cutting operations; bronze in appearance. 
   AlTiN       Aluminum Titanium Nitride. Variation of TiAlN with increased hardness and abrasion resistance. Dark gray or black in color. 
   Al2O3       Aluminum Oxide. Applications include high-speed cutting or turning of abrasive materials such as ductile irons. Also used as an additive for other coatings, due to its abrasion and temperature resistance. Depending on its grade, it can range from gold to black in appearance. 
   CrN       Chromium Nitride. Good corrosion and oxidation resistance.  Used for plastics processing and cutting. Low friction also makes it useful for drawing, forming, and extruding tools. 
   ZrN       Zirconium Nitride. Typically used on nonferrous materials such as aluminum, brass, nickel alloys, plastics, etc., but can have applications for some iron and stainless steel grades. Good abrasion resistance and lubricity; pale gold in appearance. 
   Black Oxide       General-purpose coating for maintenance and utility drills with some corrosion resistant properties. 
   Bronze       General-purpose abrasion resistance coating; bronze in color. 
   Diamond       Thin diamond films are applied to cutters to increase life and abrasion resistance. 
   Other       Other unlisted, specialized, or proprietary coating. 
   Search Logic:      All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.
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