{"product_id":"tcr","title":"TCR Taper Alignment Reamer (Black \u0026 Gold)","description":"\u003ch2\u003eDRILLCO TCR High-Speed Steel Alignment Reamer — Precision Hole Sizing with Reduced Slippage\u003c\/h2\u003e\n\u003cp\u003eThe DRILLCO TCR is a high-speed steel alignment reamer engineered for smooth, accurate alignment and precision hole sizing in metalworking applications. Featuring a 1\/2″ three-flatted shank, it is designed to minimize slippage in the chuck during operation, ensuring consistent, repeatable results. The black and bronze oxide finish provides enhanced lubricity and surface protection suited to demanding shop environments. This reamer is intended for contractors and trades professionals requiring reliable alignment and precision hole sizing performance.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eDRILLCO\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003e072279\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUPC\u003c\/td\u003e\n\u003ctd\u003e086839722795\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCountry of Origin\u003c\/td\u003e\n\u003ctd\u003eUnited States\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eHigh-Speed Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShank\u003c\/td\u003e\n\u003ctd\u003e1\/2″ three-flatted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFinish\u003c\/td\u003e\n\u003ctd\u003eBlack and bronze oxide\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eAlignment Reamer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eThe combination of a three-flatted shank and a black and bronze oxide finish sets the TCR apart from standard straight-shank reamers by actively reducing slippage and improving lubricity during cutting. This dual-finish treatment addresses both friction management and surface protection, making it a more capable option than single-finish alternatives for precision alignment work.\u003c\/p\u003e\n\u003ch3\u003eKey Features \u0026amp; Benefits\u003c\/h3\u003e\n\u003ch4\u003eHigh-Speed Steel Construction\u003c\/h4\u003e\n\u003cp\u003eHigh-speed steel is the industry-standard substrate for general-purpose metalworking tools, offering a balance of hardness and toughness suitable for a wide range of materials. For contractors, this means a reamer that holds an edge through repeated use without becoming brittle under normal operating conditions.\u003c\/p\u003e\n\u003ch4\u003e1\/2″ Three-Flatted Shank\u003c\/h4\u003e\n\u003cp\u003eThe three-flatted shank design provides a positive mechanical grip in the chuck, significantly reducing the risk of slippage during high-torque reaming operations. This feature improves both safety and dimensional accuracy by keeping the tool firmly seated throughout the cut.\u003c\/p\u003e\n\u003ch4\u003eBlack and Bronze Oxide Finish\u003c\/h4\u003e\n\u003cp\u003eThe dual black and bronze oxide surface treatment increases lubricity and reduces friction at the cutting interface, which helps extend tool life and improve chip flow. This finish is particularly beneficial when working on harder metals where heat and friction are primary concerns.\u003c\/p\u003e\n\u003ch4\u003ePrecision Alignment Performance\u003c\/h4\u003e\n\u003cp\u003eThe TCR is specifically designed for alignment applications, delivering smooth, accurate hole sizing that meets the demands of structural and fabrication work. Consistent alignment performance reduces the need for secondary operations and rework on the job site.\u003c\/p\u003e\n\u003ch3\u003eCommon Applications\u003c\/h3\u003e\n\u003ch4\u003ePrecision Hole Sizing\u003c\/h4\u003e\n\u003cp\u003eUsed to bring drilled holes to a precise final diameter, ensuring tight tolerances required in structural steel and fabrication assemblies.\u003c\/p\u003e\n\u003ch4\u003eStructural Steel Alignment\u003c\/h4\u003e\n\u003cp\u003eIdeal for aligning bolt holes in steel members during erection, allowing fasteners to be inserted smoothly without distorting the surrounding material.\u003c\/p\u003e\n\u003ch4\u003eMetalworking and Fabrication\u003c\/h4\u003e\n\u003cp\u003eSuited for general metalworking environments where accurate hole finishing and alignment are required as part of the fabrication process.\u003c\/p\u003e\n\u003ch3\u003eProduct Documents\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0551\/8396\/6382\/files\/bbz48awmftjmmy4umjo7_43b4ff45-5614-4cf9-9182-13d971e310f7.pdf?v=1793367894\" target=\"_blank\" rel=\"noopener\"\u003eSafety Data Sheet (SDS)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0551\/8396\/6382\/files\/cinakvujelpexceens0b_a930f16a-b930-41ef-8db1-5d9613405c20.pdf?v=1793367894\" target=\"_blank\" rel=\"noopener\"\u003eDrillco Product Linecard\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSafety Data Summary\u003c\/h3\u003e\n\u003ch4\u003eHazard Information\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eDuring normal use, high-speed steel products do not present inhalation, ingestion, or other chemical hazards.\u003c\/li\u003e\n\u003cli\u003eGrinding, cutting, machining, burning, or welding may release dusts, fumes, or vapors that present health hazards if exposure limits are exceeded.\u003c\/li\u003e\n\u003cli\u003eExcessive inhalation of metallic fumes and dusts may cause irritation of eyes, nose, and throat; symptoms may include metallic taste, dryness, chills, and fever persisting 12–48 hours.\u003c\/li\u003e\n\u003cli\u003eChromium (present 0–5% by weight) is listed as a carcinogen by NTP and OSHA; associated with dermatitis, upper respiratory tract inflammation\/ulceration, and possible nasal\/lung cancer.\u003c\/li\u003e\n\u003cli\u003eTungsten (present 5–10% by weight): some evidence of pulmonary involvement such as cough.\u003c\/li\u003e\n\u003cli\u003eVanadium (present 0–5% by weight): eye and respiratory tract irritant.\u003c\/li\u003e\n\u003cli\u003eCobalt dust (component of HSS alloy) is associated with respiratory diseases including occupational asthma and interstitial fibrosis.\u003c\/li\u003e\n\u003cli\u003eSkin contact with dust may cause irritation or allergic skin rash due to cobalt sensitization.\u003c\/li\u003e\n\u003cli\u003eEye contact with dust may cause irritation.\u003c\/li\u003e\n\u003cli\u003eFine metal particles produced during grinding can burn; high concentrations in air may present an explosion hazard.\u003c\/li\u003e\n\u003cli\u003eNFPA Hazard Rating: Health 1; Flammability 0; Reactivity 0.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003ePersonal Protective Equipment\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eWear safety glasses or goggles with side shields; do not wear contact lenses when handling.\u003c\/li\u003e\n\u003cli\u003eCloth or leather gloves recommended when contact with dust or mist is likely.\u003c\/li\u003e\n\u003cli\u003eUse an appropriate NIOSH-approved respirator if airborne dust concentration exceeds the applicable PEL or TLV.\u003c\/li\u003e\n\u003cli\u003eHearing protection may be required.\u003c\/li\u003e\n\u003cli\u003eAlways use machine guards and wear protective clothing to prevent injury in the event of tool breakage.\u003c\/li\u003e\n\u003cli\u003eEmployer should provide an eye wash station within the immediate work area.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eSafe Handling\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003ePerform grinding, cutting, and machining operations in well-ventilated areas; use local exhaust ventilation adequate to keep airborne dust below PEL\/TLV.\u003c\/li\u003e\n\u003cli\u003eWash hands thoroughly after handling and before eating or smoking; wash exposed skin at end of work shift.\u003c\/li\u003e\n\u003cli\u003eDo not shake clothing, rags, or other items to remove dust — remove dust by washing or vacuuming with appropriate filters.\u003c\/li\u003e\n\u003cli\u003eClean up spills using methods that avoid dust generation: vacuum with appropriate filters, wet dust mop, or wet clean-up.\u003c\/li\u003e\n\u003cli\u003eStore in a dry place in a manner that prevents accidental environmental contamination from industrial lubricants or wetting oils.\u003c\/li\u003e\n\u003cli\u003eSoiled clothing should be laundered separately.\u003c\/li\u003e\n\u003cli\u003eIncompatible with strong acids and strong oxidizers.\u003c\/li\u003e\n\u003cli\u003eFor powder fires: smother with dry sand, dry dolomite, ABC-type fire extinguisher, or flood with water; do not release runoff to swales or waterways.\u003c\/li\u003e\n\u003cli\u003eDispose of in compliance with federal, state\/provincial, and local environmental regulations; send to a reclamation facility if available.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the TCR alignment reamer designed for?\u003c\/strong\u003e\u003cbr\u003eA: The TCR is designed for precision hole sizing and alignment applications in metalworking. It delivers smooth, accurate alignment and is suited for use wherever consistent hole finishing is required.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What shank size and style does the TCR use?\u003c\/strong\u003e\u003cbr\u003eA: The TCR features a 1\/2″ three-flatted shank, which provides a positive mechanical grip in the chuck and reduces slippage during operation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What material is the TCR made from?\u003c\/strong\u003e\u003cbr\u003eA: The TCR is manufactured from high-speed steel (HSS), the standard substrate for general-purpose metalworking cutting tools.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What finish does the TCR have, and why does it matter?\u003c\/strong\u003e\u003cbr\u003eA: The TCR has a black and bronze oxide finish. This dual surface treatment increases lubricity and reduces friction at the cutting interface, helping to extend tool life and improve performance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Where is the DRILLCO TCR made?\u003c\/strong\u003e\u003cbr\u003eA: The TCR is manufactured in the United States.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What are the SKU and UPC for ordering the TCR?\u003c\/strong\u003e\u003cbr\u003eA: The SKU is 072279 and the UPC is 086839722795.\u003c\/p\u003e","brand":"Drillco","offers":[{"title":"7\/16\"","offer_id":67903583256750,"sku":"072279","price":71.43,"currency_code":"USD","in_stock":true},{"title":"3\/8\"","offer_id":67903583289518,"sku":"072280","price":65.57,"currency_code":"USD","in_stock":true},{"title":"1\/2\"","offer_id":67903583322286,"sku":"072281","price":78.55,"currency_code":"USD","in_stock":true},{"title":"9\/16\"","offer_id":67903583355054,"sku":"072282","price":84.42,"currency_code":"USD","in_stock":true},{"title":"5\/8\"","offer_id":67903583387822,"sku":"072283","price":91.53,"currency_code":"USD","in_stock":true},{"title":"11\/16\"","offer_id":67903583420590,"sku":"072284","price":101.28,"currency_code":"USD","in_stock":true},{"title":"3\/4\"","offer_id":67903583453358,"sku":"072285","price":122.07,"currency_code":"USD","in_stock":true},{"title":"13\/16\"","offer_id":67903583486126,"sku":"072286","price":122.07,"currency_code":"USD","in_stock":true},{"title":"7\/8\"","offer_id":67903583518894,"sku":"072287","price":135.05,"currency_code":"USD","in_stock":true},{"title":"15\/16\"","offer_id":67903583551662,"sku":"072288","price":135.05,"currency_code":"USD","in_stock":true},{"title":"1\"","offer_id":67903583584430,"sku":"072289","price":162.32,"currency_code":"USD","in_stock":true},{"title":"3-Piece Set (1\/2\", 5\/8\", 3\/4\")","offer_id":67903583617198,"sku":"072290","price":270.08,"currency_code":"USD","in_stock":true},{"title":"1-1\/16\"","offer_id":67903583649966,"sku":"072291","price":185.68,"currency_code":"USD","in_stock":true},{"title":"1-1\/8\"","offer_id":67903583682734,"sku":"072292","price":216.18,"currency_code":"USD","in_stock":true},{"title":"1-3\/16\"","offer_id":67903583715502,"sku":"072293","price":236.33,"currency_code":"USD","in_stock":true},{"title":"1-1\/4\"","offer_id":67903583748270,"sku":"072294","price":253.22,"currency_code":"USD","in_stock":true},{"title":"1-5\/16\"","offer_id":67903583781038,"sku":"072295","price":280.48,"currency_code":"USD","in_stock":true},{"title":"1-3\/8\"","offer_id":67903583813806,"sku":"072296","price":327.88,"currency_code":"USD","in_stock":true},{"title":"1-7\/16\"","offer_id":67903583846574,"sku":"072297","price":337.62,"currency_code":"USD","in_stock":true},{"title":"1-1\/2\"","offer_id":67903583879342,"sku":"072298","price":385.02,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0551\/8396\/6382\/files\/yfrrfwdzbvjc7d42gob4.jpg?v=1793367897","url":"https:\/\/www.diamondtoolstore.com\/products\/tcr","provider":"Diamond Tool Store","version":"1.0","type":"link"}