{"product_id":"5-8-in-x-18-in-high-speed-steel-extra-long-drill-bit-extra-reach","title":"5\/8 in x 18 in High Speed Steel Extra Long Drill Bit - Extra Reach","description":"\u003cp\u003eIn this review of the 5\/8 in x 18 in High Speed Steel Extra Long Drill Bit the bottom line is straightforward: this is a practical pick for jobs that need extra reach when drilling iron or steel. The reviewer found the bit useful for maintenance and production tasks where a standard length would not reach, and its \u003cstrong\u003ehigh-speed steel\u003c\/strong\u003e construction balances hardness and toughness for general purpose work. While not specialized for hardened alloys, it delivers dependable performance and chip evacuation when used with appropriate speeds and coolant.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtra length:\u003c\/strong\u003e The 18 in length provides extended reach for drilling through assemblies or deep setups that standard bits cannot access.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-speed steel construction:\u003c\/strong\u003e Offers a combination of hardness and toughness that helps resist wear for general purpose drilling in iron and steel families.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBlack oxide treatment:\u003c\/strong\u003e Adds lubricity and helps hold coolant near the cutting edge to reduce heat and improve tool life in many applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRound shank:\u003c\/strong\u003e Works with a wide variety of toolholding systems so it can be used in different drill chucks and holders.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpiral flutes:\u003c\/strong\u003e Right-hand spiral flutes evacuate chips up and out of the hole to reduce clogging during normal cutting direction.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBright finish option:\u003c\/strong\u003e Provides improved chip evacuation for consistent drilling when chip removal matters.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis drill bit is best suited to mechanics, maintenance technicians, and fabricators who regularly need extra reach to work inside assemblies, through stacked plates, or in deep jigs where a standard bit falls short. It is a good general purpose option for shops that process a range of ferrous materials and want a dependable, long-reach twist drill on the shelf.\u003c\/p\u003e\n\u003cp\u003eThose who should look elsewhere include users who routinely drill hardened steels, stainless where specialized coatings or grades are needed, or those requiring guaranteed fracture resistance under extreme side loads; in those cases a specialty cobalt, carbide, or coated bit designed for those alloys is a better choice.\u003c\/p\u003e\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDependable \u003cstrong\u003ehigh-speed steel\u003c\/strong\u003e construction that balances wear resistance and toughness for general use.\u003c\/li\u003e\n\u003cli\u003eLong 18 in length provides reach for deep holes and assemblies without stepping bits or extensions.\u003c\/li\u003e\n\u003cli\u003eBlack oxide finish improves lubricity and helps retain coolant at the cutting edge for longer runs.\u003c\/li\u003e\n\u003cli\u003eRound shank compatibility makes it usable in a variety of toolholders and chucks.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMixed customer reports on durability mean it can break under heavy side loading or improper use, so care is required.\u003c\/li\u003e\n\u003cli\u003eNot intended for highly abrasive or hardened alloys where specialized grades or coatings are necessary.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eDrill America\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003eDWDDL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDiameter\u003c\/td\u003e\n\u003ctd\u003e5\/8 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLength\u003c\/td\u003e\n\u003ctd\u003e18 in\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\u003eRound shank\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFinish\u003c\/td\u003e\n\u003ctd\u003eBlack oxide \/ bright finish options implied\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe 5\/8 in x 18 in extra long HSS drill bit is a sensible, good-value choice for workshops and maintenance crews that need reach in iron and steel applications. It combines \u003cstrong\u003edurability\u003c\/strong\u003e for routine drilling with useful chip evacuation features, but it should be used within its general purpose limits to avoid breakage; for hard or highly abrasive materials choose a specialized grade instead.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eCan this bit be used in a regular drill chuck?\u003c\/strong\u003e\u003cbr\u003eYes, the round shank is compatible with most drill chucks and common toolholding systems.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs the bit suitable for stainless or hardened steel?\u003c\/strong\u003e\u003cbr\u003eIt is designed for a broad range of iron and steel family materials, but for hardened or highly abrasive stainless steels a cobalt or coated specialty bit is recommended.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the black oxide finish improve performance?\u003c\/strong\u003e\u003cbr\u003eYes, black oxide adds lubricity and helps retain coolant at the cutting edge, which can extend tool life in many jobs.\u003c\/p\u003e","brand":"Drill America","offers":[{"title":"Default Title","offer_id":48631677092059,"sku":"B00FXHLIQU","price":37.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/518RMNFvwGL._SL1500_f2b998c5-f296-4ba1-864d-79b871b9e634.jpg?v=1778448866","url":"https:\/\/gearmusthave.com\/products\/5-8-in-x-18-in-high-speed-steel-extra-long-drill-bit-extra-reach","provider":"GearMustHave","version":"1.0","type":"link"}