{"product_id":"walter-titex-6618676-carbide-jobber-drill-bit-5-16-in","title":"Walter-titex 6618676 Carbide Jobber Drill Bit 5\/16 in","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe WALTER-TITEX 6618676 is a solid carbide jobber-length drill bit designed for high-performance drilling in demanding industrial and trade applications. Built to Series DC150-08-A1 standards, it features a 5\/16-inch (7.94 mm) cutting diameter, a 140-degree drill point angle, and a TiNAl (titanium aluminum nitride) coating that extends tool life in abrasive and hard-material applications. The overall length is 4.567 inches (116 mm), with a flute length of 2.992 inches (76 mm). This bit is suited for machinists, tool-and-die tradespeople, and industrial maintenance technicians who require consistent, repeatable results in production environments.\u003c\/p\u003e\n\u003cp\u003eThis drill bit is rated for use in cast iron, non-ferrous metals, steel, superalloys, and titanium. It supports both blind hole drilling and stack drilling applications, making it a practical choice for aerospace, heavy manufacturing, and precision machining setups. The 8xD flute-by-diameter ratio provides chip clearance at extended depths. Coolant-through capability allows internal coolant delivery to the cutting zone, which is critical when working in superalloys or titanium where heat buildup accelerates tool wear.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eSolid carbide construction in grade WJ30TA for rigidity and wear resistance in hard workpiece materials\u003c\/li\u003e\n  \u003cli\u003eTiNAl coating reduces friction and extends tool life in cast iron, steel, superalloys, and titanium\u003c\/li\u003e\n  \u003cli\u003e140-degree split point angle minimizes walking and reduces thrust force at entry\u003c\/li\u003e\n  \u003cli\u003eCoolant-through design delivers cutting fluid directly to the tip for heat management at depth\u003c\/li\u003e\n  \u003cli\u003eStraight-cylindrical shank (8.00 mm \/ 0.315 inches diameter) fits standard drill chucks and tool holders\u003c\/li\u003e\n  \u003cli\u003eRated for blind hole and stack drilling per Series DC150-08-A1 application guidelines\u003c\/li\u003e\n  \u003cli\u003eConforms to ANSI and ISO standards for dimensional consistency\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as a direct-fit replacement within the WALTER-TITEX DC150-08-A1 series. Fits any standard drill chuck or collet holder accepting an 8.00 mm straight-cylindrical shank. Suitable for CNC machining centers, drill presses, and manual machines configured for jobber-length carbide tooling in the 0.3000 to 0.3500 inch (7.00 to 8.00 mm) diameter range.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation and use should be performed by qualified machinists or tooling technicians familiar with carbide drill bit handling. Secure the shank fully in a precision collet or drill chuck before operation and verify runout does not exceed tool tolerance before engaging the workpiece. When using coolant-through capability, confirm the spindle and toolholder are configured for internal coolant delivery at the appropriate pressure for the workpiece material. Inspect the cutting edges and coating condition before each use, as solid carbide is brittle and susceptible to chipping if dropped or improperly stored.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDrill Bit Diameter\u003c\/strong\u003e: 5\/16 inches (7.94 mm)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDrill Bit Diameter (Decimal)\u003c\/strong\u003e: 0.3125 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOverall Length\u003c\/strong\u003e: 4.567 inches (116 mm)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlute Length\u003c\/strong\u003e: 2.992 inches (76 mm)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaximum Drilling Depth\u003c\/strong\u003e: 2.520 inches (64 mm)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShank Diameter\u003c\/strong\u003e: 0.315 inches (8.00 mm)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShank Length\u003c\/strong\u003e: 1.417 inches (36 mm)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDrill Point Length\u003c\/strong\u003e: 0.057 inches (1.45 mm)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDrill Point Angle\u003c\/strong\u003e: 140 degrees\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNumber of Flutes\u003c\/strong\u003e: 2\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlute by Diameter Ratio\u003c\/strong\u003e: 8xD\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShank Type\u003c\/strong\u003e: Straight-Cylindrical\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCutting Direction\u003c\/strong\u003e: Right Hand\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: Solid Carbide\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGrade\u003c\/strong\u003e: WJ30TA\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCoating\/Finish\u003c\/strong\u003e: TiNAl\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDiameter Tolerance\u003c\/strong\u003e: m7\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCoolant Through\u003c\/strong\u003e: Yes\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTool Application\u003c\/strong\u003e: Blind Hole, Stack Drilling\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePrimary Workpiece Materials\u003c\/strong\u003e: Cast Iron, Non-Ferrous Metal, Steel, Superalloys and Titanium\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSeries\u003c\/strong\u003e: DC150-08-A1\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStandards\u003c\/strong\u003e: ANSI, ISO\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.139 pounds\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Dimensions\u003c\/strong\u003e: 5.51 x 0.51 x 0.51 inches\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eStandard Information\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: WALTER-TITEX\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 6618676\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"WALTER-TITEX","offers":[{"title":"Default Title","offer_id":51743361499442,"sku":"6618676","price":269.56,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/74f65de149453cef1df499fb1e7ec970_8a938aac-36f0-44a6-8bb0-a3b716134b12.jpg?v=1788846166","url":"https:\/\/voomisupply.com\/products\/walter-titex-6618676-carbide-jobber-drill-bit-5-16-in","provider":"Voomi Supply","version":"1.0","type":"link"}