{"product_id":"mcmaster-6649k529-tapped-linear-motion-shaft-tapped-x-straight-end-1050-carbon-steel-1-2-diameter-6-long","title":"McMaster 6649K529 Tapped Linear Motion Shaft, Tapped x Straight End, 1050 Carbon Steel, 1\/2\" Diameter, 6\" Long","description":"\u003cp\u003eMount directly with studs, bolts, and other threaded fasteners—no shaft supports needed. Pair with linear bearings to create smooth, precise motion. These shafts are turned, ground, and polished to tight tolerances and hardened to resist wear.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSteel\u003c\/strong\u003e — Stronger than aluminum and stainless steel. These shafts are best for dry environments since moisture will cause them to rust.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSurface Smoothness\u003c\/strong\u003e — The lower the microinch value, the smoother the finish and the less friction it will cause on the bearing.\u003c\/p\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEnd Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePlain, Tapped\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSteel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDiameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1\/2\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDiameter Tolerance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-0.0007\" to 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Hard\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSurface Smoothness\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e16 μin\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEdge Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eChamfered\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFor Motion\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLinear\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHeat Treatment\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCase Hardened\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMechanical Finish\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePolished, Precision Ground, Turned\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePerformance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHighly Wear Resistant, Low Friction\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eShaft Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRound\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSteel Grade\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1050 Carbon Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStraightness Tolerance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.002\"\/1 ft.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSystem of Measurement\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eInch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTolerance Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eStandard\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUnited 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