{"product_id":"titan-usa-tc28908-spotting-drill-1-8-in-solid-carbide-altin","title":"Titan Usa TC28908 Spotting Drill 1\/8 in Solid Carbide Altin","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe TITAN USA TC28908 is a solid carbide spotting drill designed to create accurate, centered starting points for subsequent drilling operations. With a 142-degree point angle and a 0.125-inch cutting diameter, it establishes precise conical seats that reduce drill walk and improve hole location accuracy. The AlTiN (aluminum titanium nitride) coating increases surface hardness and thermal resistance, extending tool life in ferrous and stainless materials. At 2 inches overall length and a 0.25-inch flute length, this is a compact, rigid tool suited for CNC machining centers and manual drill presses in production or job-shop environments. Machinists and tool-and-die professionals are the primary users.\u003c\/p\u003e\u003cp\u003eThis spotting drill is intended for general-purpose metal spotting applications across a range of workpiece materials. The two-flute spiral design with a straight cylindrical shank allows direct chuck mounting without adapters. At 0.125-inch diameter, it is well suited for small-hole spotting work where rigidity and runout control are critical. It is a single-ended tool from TITAN USA Series 289, sold individually.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e142-degree point angle minimizes axial force and matches common drill geometries for accurate seat transfer\u003c\/li\u003e\n\u003cli\u003eSolid carbide construction provides rigidity and wear resistance superior to high-speed steel in hard or abrasive materials\u003c\/li\u003e\n\u003cli\u003eAlTiN coating improves thermal resistance and extends tool life in dry or minimum-quantity lubrication (MQL) cutting conditions\u003c\/li\u003e\n\u003cli\u003eTwo-flute spiral flute design promotes chip clearance in the short flute zone\u003c\/li\u003e\n\u003cli\u003eStraight cylindrical shank fits standard drill chucks and collet systems without modification\u003c\/li\u003e\n\u003cli\u003eCompact 2-inch OAL reduces overhang and improves stability in tight workholding setups\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned as a general-purpose spotting drill for use in CNC machining centers, drill presses, and manual mills with standard drill chucks or collet holders accepting a 0.125-inch straight shank.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation and use of this tool should be performed by qualified machinists familiar with cutting tool setup and machine operation. Ensure the spindle is fully stopped and the machine is powered down or in a safe state before inserting or removing the tool from the chuck or collet. Verify runout with a dial indicator after seating to prevent premature edge wear. Follow the machine manufacturer and tooling supplier guidelines for appropriate spindle speeds and feed rates for the workpiece material.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCutting Diameter\u003c\/strong\u003e: 0.125 inches (1\/8 inches)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrill Point Angle\u003c\/strong\u003e: 142 degrees\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall Length (OAL)\u003c\/strong\u003e: 2 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlute Length\u003c\/strong\u003e: 0.25 inches (1\/4 inches)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank Diameter\u003c\/strong\u003e: 0.125 inches (1\/8 inches)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank Type\u003c\/strong\u003e: Straight Cylindrical\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of Flutes\u003c\/strong\u003e: 2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlute Type\u003c\/strong\u003e: Spiral\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTool Material\u003c\/strong\u003e: Solid Carbide\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoating\u003c\/strong\u003e: AlTiN (Aluminum Titanium Nitride)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCutting Direction\u003c\/strong\u003e: Right Hand\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnd Configuration\u003c\/strong\u003e: Single Ended\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries\u003c\/strong\u003e: 289\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTool Application\u003c\/strong\u003e: Spotting\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTool Performance\u003c\/strong\u003e: General Purpose\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.02 pounds\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eStandard Information\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: TITAN USA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: TC28908\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"TITAN USA","offers":[{"title":"Default Title","offer_id":51728359391538,"sku":"TC28908","price":45.54,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/5b976f007d5124cdd1f74285f7be3286.jpg?v=1788690638","url":"https:\/\/voomisupply.com\/products\/titan-usa-tc28908-spotting-drill-1-8-in-solid-carbide-altin","provider":"Voomi Supply","version":"1.0","type":"link"}