{"product_id":"precision-twist-drill-5998078-wire-64-hss-drill-bit","title":"Precision Twist Drill 5998078 Wire 64 Hss Drill Bit","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe PRECISION TWIST DRILL 5998078 is a jobber-length drill bit in wire gauge size 64, equivalent to 0.0360 inches in diameter. Manufactured from high speed steel (HSS) with a bright, uncoated finish, it is designed for general-purpose drilling in steel, cast iron, non-ferrous metals, superalloys, and titanium. The bit features a standard 118-degree point angle, a regular spiral flute pattern, and a web-thinned, tapered web configuration that reduces thrust and improves chip evacuation. Overall length is 1.5 inches with a 5\/8-inch flute length. This is a precision small-diameter bit used by machinists, maintenance technicians, and metalworking tradespeople in production and field applications.\u003c\/p\u003e\u003cp\u003eThe 5998078 is suited for drilling small-diameter holes in metallic substrates across both light manufacturing and maintenance-repair-operations (MRO) environments. Its straight cylindrical shank seats directly into standard drill chucks and collets without modification. With a 17xD flute-to-diameter ratio and a maximum drilling depth of 5\/8 inch, it performs well in shallow-hole drilling tasks where tight dimensional tolerances are required. The right-hand cut direction is compatible with standard clockwise-rotation drilling equipment. It conforms to ANSI standards and falls within the R10H-R18H series designation from Precision Twist Drill.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eWire gauge size 64 (0.0360 inches) for precision small-diameter hole making\u003c\/li\u003e\n\u003cli\u003eHigh speed steel construction for durability across steel, cast iron, non-ferrous metals, superalloys, and titanium\u003c\/li\u003e\n\u003cli\u003e118-degree standard point angle with web-thinned tapered web for reduced entry thrust\u003c\/li\u003e\n\u003cli\u003eRegular spiral, 2-flute design promotes efficient chip removal in shallow holes\u003c\/li\u003e\n\u003cli\u003eBright uncoated finish compatible with cutting fluids and dry drilling applications\u003c\/li\u003e\n\u003cli\u003eConforms to ANSI standards, Series R10H-R18H\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned as a general-purpose jobber-length drill bit for use with standard drill chucks and collets accepting a 0.0360-inch straight cylindrical shank. Suitable for drilling steel, cast iron, non-ferrous metals, superalloys, and titanium as listed in the product specifications.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation and use should be performed by qualified machinists or tradespeople familiar with small-diameter drill bit handling. Secure the straight shank fully in the chuck or collet before operation to prevent bit walking or breakage. At this diameter, low feed pressure and appropriate RPM are critical to avoid bit deflection or fracture. Use a center punch mark or spot drill to locate the hole before drilling when working on hard or curved surfaces.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrill Bit Size (Wire)\u003c\/strong\u003e: 64\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrill Bit Size (Decimal Inch)\u003c\/strong\u003e: 0.0360 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrill Bit Material\u003c\/strong\u003e: High Speed Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoating\/Finish\u003c\/strong\u003e: Bright\/Uncoated\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrill Point Angle\u003c\/strong\u003e: 118 degrees\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePoint Type\u003c\/strong\u003e: Standard\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 (Regular)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlute Length\u003c\/strong\u003e: 0.625 inches (5\/8 inch)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Drilling Depth\u003c\/strong\u003e: 0.625 inches (5\/8 inch)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverall Length\u003c\/strong\u003e: 1.5 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank Type\u003c\/strong\u003e: Straight-Cylindrical\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank Diameter\u003c\/strong\u003e: 0.0360 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank Length\u003c\/strong\u003e: 0.875 inches (7\/8 inch)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCutting Direction\u003c\/strong\u003e: Right Hand\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeb Configuration\u003c\/strong\u003e: Tapered, Web-Thinned\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoolant Through\u003c\/strong\u003e: No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrimary Workpiece Material\u003c\/strong\u003e: Steel, Cast Iron, Non-Ferrous Metal, Superalloys and Titanium\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTool Performance\u003c\/strong\u003e: General Purpose\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries\u003c\/strong\u003e: R10H-R18H\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard\u003c\/strong\u003e: ANSI\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.042 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: PRECISION TWIST DRILL\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 5998078\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"PRECISION TWIST DRILL","offers":[{"title":"Default Title","offer_id":51720044544306,"sku":"5998078","price":59.57,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/4691d72f892b92915254364cb4aea851_21c30e96-f9a0-44bf-9fd4-ec57e2fa4c60.jpg?v=1788560426","url":"https:\/\/voomisupply.com\/products\/precision-twist-drill-5998078-wire-64-hss-drill-bit","provider":"Voomi Supply","version":"1.0","type":"link"}