{"product_id":"1-2-3-in-x-18-in-sds-max-rotary-hammer-drill-bit-deep-masonry","title":"1-2\/3 in x 18 in SDS Max Rotary Hammer Drill Bit - Deep Masonry","description":"\u003cp\u003eIn this review the focus is a heavy-duty 1-2\/3 in x 18 in SDS Max rotary hammer drill bit intended for long, deep holes in dense materials. The reviewer found it best suited to contractors and serious DIYers who need a single large-diameter bit that reaches deep into concrete and masonry; the single biggest reason to buy is its 330mm (13 in) effective drilling depth combined with a robust \u003cstrong\u003ecarbide tip\u003c\/strong\u003e that tackles brick, stone and cement walls where smaller bits struggle.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize and reach:\u003c\/strong\u003e The 42mm diameter and 460mm total length provide long reach for through-holes and deep anchor work without changing bits often.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSDS Max shank:\u003c\/strong\u003e The SDS Max shank handle gives a secure, anti-slip fit in compatible rotary hammers so the bit tracks straight under heavy load.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrilling depth:\u003c\/strong\u003e With a 330mm effective drilling depth users can drill deep sleeves and set long anchors in a single pass.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial build:\u003c\/strong\u003e Alloy steel body with a + type carbide tip offers the abrasion resistance and edge retention needed for masonry and concrete.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication range:\u003c\/strong\u003e Designed specifically for masonry, brick, stone and concrete, it performs usefully on cement walls and similar dense substrates.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurability for trades:\u003c\/strong\u003e The combination of shank design and tip material is aimed at repeated professional use where bit longevity matters.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis drill bit is aimed at professional tradespeople, contractors and experienced DIYers who regularly drill large holes in concrete, stone or brick. Its 42mm diameter and deep reach make it useful for setting heavy anchors, sleeves and through-holes where a short bit would require multiple passes or extensions.\u003c\/p\u003e\n\u003cp\u003eThose who should look elsewhere include casual users who only need occasional small holes or those without an SDS Max rotary hammer, since the shank and size are overkill for light-duty drilling and will not fit standard chucks.\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\u003eLarge 42mm diameter and 330mm drilling depth let users complete deep holes in one pass.\u003c\/li\u003e\n\u003cli\u003eSDS Max shank ensures a stable, secure fit and efficient power transfer in compatible hammers.\u003c\/li\u003e\n\u003cli\u003eCarbide tip and alloy steel body provide good wear resistance for masonry work.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSize and shank type mean it is not suitable for light-duty drills or occasional small projects.\u003c\/li\u003e\n\u003cli\u003eCustomer feedback on tip strength is mixed, so extreme continuous hammering may reduce life versus premium-grade bits.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eDiameter\u003c\/td\u003e\n\u003ctd\u003e1-2\/3 in (42mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTotal length\u003c\/td\u003e\n\u003ctd\u003e460mm (18 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDrilling depth\u003c\/td\u003e\n\u003ctd\u003e330mm (13 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShank type\u003c\/td\u003e\n\u003ctd\u003eSDS Max (shank dia 18mm \/ 0.7 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTip material\u003c\/td\u003e\n\u003ctd\u003e+ type carbide tip\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody material\u003c\/td\u003e\n\u003ctd\u003eAlloy steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eFor professionals and serious DIYers who need to drill large, deep holes in concrete and masonry, this 1-2\/3 in SDS Max bit delivers practical value through its long reach and carbide tip construction. It is a cost-effective choice where compatibility with an SDS Max hammer exists, though users should weigh mixed feedback on tip longevity if they expect continuous heavy-duty use.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWill this bit fit my rotary hammer?\u003c\/strong\u003e\u003cbr\u003eIf your rotary hammer accepts SDS Max shanks it will fit; confirm the tool accepts an 18mm SDS Max shank before purchase.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow deep can I drill with this bit?\u003c\/strong\u003e\u003cbr\u003eThe bit provides a 330mm (13 in) effective drilling depth with a 460mm (18 in) total length.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs it suitable for both brick and reinforced concrete?\u003c\/strong\u003e\u003cbr\u003eIt is designed for masonry, brick, stone and concrete; the carbide tip handles dense materials but reinforced concrete with heavy rebar can reduce tip life and may require specialist bits.\u003c\/p\u003e","brand":"GRIXLEN","offers":[{"title":"Default Title","offer_id":48191701024987,"sku":"B0DNJTYPBZ","price":53.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/51SGHBpHq4L._SL1500.jpg?v=1770217734","url":"https:\/\/gearmusthave.com\/products\/1-2-3-in-x-18-in-sds-max-rotary-hammer-drill-bit-deep-masonry","provider":"GearMustHave","version":"1.0","type":"link"}