{"product_id":"1-2-in-90-deg-square-shoulder-indexable-end-mill-3-1-4-in-oal","title":"1\/2 in 90 Deg Square Shoulder Indexable End Mill 3-1\/4 in OAL","description":"\u003cp\u003eIn this review of the 1\/2 in 90 deg square shoulder indexable end mill the bottom line is straightforward: this compact shaft end mill is aimed at machinists who need precise square-shoulder milling with a single, replaceable carbide insert. It stands out for its rigid 90 degree cutting angle and a positive APKT11T3-style insert that supports higher depth of cut and feed per tooth, making it a practical choice for light- to medium-duty milling of steels and nonferrous alloys. The tool balances cost and performance for job-shop work where changeable inserts are preferred over solid carbide for economy.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e90 degree cutting angle:\u003c\/strong\u003e Delivers accurate square shoulder and side milling for clean shoulder faces and consistent slot bottoms.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eScrew-down insert:\u003c\/strong\u003e Uses an M2.5 x 6.5 screw to secure the APKT-style insert so replacements are fast and repeatable.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePositive rectangular insert geometry:\u003c\/strong\u003e The 10 degree positive insert allows higher depth of cut and feed per tooth without excessive cutting forces.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSingle-flute configuration:\u003c\/strong\u003e One insert and flute reduce chatter on interrupted cuts and simplify chip evacuation in many materials.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBroad material compatibility:\u003c\/strong\u003e Specified for steels, stainless, heat resistant alloys, cast irons and aluminum alloys for flexible shop use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact, serviceable form factor:\u003c\/strong\u003e A 1\/2 in shank with 3-1\/4 in overall length suits setups with limited reach or where tool rigidity matters.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWho It's For\u003c\/h2\u003e\u003cp\u003eThis end mill is best for small machine shops, fabrication shops, and hobbyists who value the economy and quick turnaround of indexable inserts over full solid-carbide cutters. It fits work where square shoulders, side milling and shallow full slots are common, and when cutters are expected to be replaced rather than reground.\u003c\/p\u003e\u003cp\u003eIt is less appropriate for heavy, continuous hogging cuts in hardened steels or demanding production runs where a solid-carbide end mill or a tool with more flutes and larger core would provide greater rigidity and wear resistance. Those doing deep, high-feed pocketing or slotting hardened materials should look for a tool rated specifically for heavy interrupted cuts.\u003c\/p\u003e\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eGood square-shoulder accuracy from the 90 degree head and positive insert geometry.\u003c\/li\u003e\n\u003cli\u003eEconomical to maintain since insert replacements are faster and cheaper than regrinds.\u003c\/li\u003e\n\u003cli\u003eWorks well across a range of materials from aluminum to alloy steels when used within recommended parameters.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSome users report limited durability on harder steels; the tool can be less rigid than solid-carbide options under heavy slotting.\u003c\/li\u003e\n\u003cli\u003eInsert sold separately, so initial out-of-box use requires purchasing compatible APKT\/APHW style inserts.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eCutting diameter (D)\u003c\/td\u003e\n\u003ctd\u003e1\/2 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShank diameter (d1)\u003c\/td\u003e\n\u003ctd\u003e1\/2 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOverall length (OAL)\u003c\/td\u003e\n\u003ctd\u003e3-1\/4 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of inserts\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInsert type\u003c\/td\u003e\n\u003ctd\u003eAPKT11T3 \/ APKT11T308 compatible\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDepth of cut (ap)\u003c\/td\u003e\n\u003ctd\u003e0.433 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eScrew\u003c\/td\u003e\n\u003ctd\u003eM2.5 x 6.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eOur Verdict\u003c\/h2\u003e\u003cp\u003eThe 1\/2 in 90 deg square shoulder indexable end mill is a solid value for machinists who need repeatable square-shoulder milling and convenient insert changes. It offers precise geometry and usable cutting parameters for a wide range of metals and nonferrous materials, making it a smart choice when economy and quick serviceability matter more than maximum rigidity for heavy slotting.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eWhich inserts work with this holder?\u003c\/strong\u003e\u003cbr\u003eIt accepts APKT-style inserts such as APKT11T3 or APKT11T308; inserts are sold separately.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs this end mill suitable for stainless steel?\u003c\/strong\u003e\u003cbr\u003eYes, it is specified for stainless and heat resistant steels but users should select appropriate insert grade and conservative feeds for tougher alloys.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat cutting speeds and feeds are recommended?\u003c\/strong\u003e\u003cbr\u003eThe tool is optimized for cutting speeds roughly 394 to 786 SFM with feed per tooth in the 0.002 to 0.004 in range depending on material and insert grade.\u003c\/p\u003e","brand":"Accusize Co., Ltd.","offers":[{"title":"Default Title","offer_id":48648029733083,"sku":"B01HOTOZAK","price":46.44,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/61XXF3eC3lL._SL1500.jpg?v=1778551318","url":"https:\/\/gearmusthave.com\/products\/1-2-in-90-deg-square-shoulder-indexable-end-mill-3-1-4-in-oal","provider":"GearMustHave","version":"1.0","type":"link"}