{"product_id":"gibraltar-826826-shoulder-tooling-ball-1-2-in-press-fit","title":"Gibraltar 826826 Shoulder Tooling Ball 1\/2 in Press-fit","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe GIBRALTAR 826826 is a shoulder-style inspection tooling ball designed for precision fixturing and gauging applications in machine shops and manufacturing environments. The ball measures 0.5 inches in diameter and is mounted on a 0.3125-inch shank with a press-fit attachment. The ball center sits 0.5 inches above the shoulder bottom and 1.5 inches above the shank bottom. Heat-treated steel construction provides durability under repeated use. Ball and shank concentricity is held to 0.0002 inches, making this component suitable for high-accuracy inspection setups. Machinists and tooling technicians are the primary installers of this component.\u003c\/p\u003e\n\u003cp\u003eThis tooling ball is used in fixture plates, jigs, and coordinate measuring machine (CMM) setups where a repeatable, accurate reference point is required. The shoulder design provides a positive seating surface against the fixture body, ensuring consistent ball height after installation. Typical applications include production inspection fixtures in automotive, aerospace, and general precision machining environments. The press-fit shank is driven into a prepared hole in the fixture plate or body to a controlled depth.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e0.5-inch ball diameter with 0.0002-inch ball-to-shank concentricity for high-accuracy reference points\u003c\/li\u003e\n  \u003cli\u003ePress-fit 0.3125-inch shank with tolerance of +0.0003 \/ -0.0000 inches for controlled interference fit\u003c\/li\u003e\n  \u003cli\u003eShoulder design seats flush against fixture surface for repeatable ball height\u003c\/li\u003e\n  \u003cli\u003eBall center to shoulder bottom: 0.5 inches; ball center to shank bottom: 1.5 inches\u003c\/li\u003e\n  \u003cli\u003eHeat-treated steel construction for wear resistance and dimensional stability\u003c\/li\u003e\n  \u003cli\u003eNon-tapped, non-breakaway shank — permanent press-fit installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as an OEM-style inspection tooling ball for use in standard fixture plates and gauging bodies machined to accept a 0.3125-inch press-fit shank.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation is typically performed by a machinist or tooling technician. The receiving hole in the fixture must be precision-bored or reamed to match the press-fit shank tolerance before installation. Press the shank into the prepared hole using an arbor press or similar controlled force tool — do not hammer directly on the ball. Verify concentricity and seating against the shoulder after installation before placing the fixture into service.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBall Diameter\u003c\/strong\u003e: 0.5000 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShank Diameter\u003c\/strong\u003e: 0.3125 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShank Tolerance\u003c\/strong\u003e: +0.0003 \/ -0.0000 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBall Center to Shoulder Bottom\u003c\/strong\u003e: 0.5000 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBall Center to Shank Bottom\u003c\/strong\u003e: 1.5 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBall and Shank Concentricity\u003c\/strong\u003e: 0.0002 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShank Attachment Type\u003c\/strong\u003e: Press-Fit\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: Steel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeat Treated\u003c\/strong\u003e: Yes\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShoulder\u003c\/strong\u003e: Yes\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBreakaway\u003c\/strong\u003e: No\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTapped Shank\u003c\/strong\u003e: No\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.05 pounds\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUNSPSC Code\u003c\/strong\u003e: 27112818\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eStandard Information\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: GIBRALTAR\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 826826\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"GIBRALTAR","offers":[{"title":"Default Title","offer_id":51715355083058,"sku":"826826","price":72.3,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/2a850faaa13c8e1fc74c5750a25b0cbf.jpg?v=1788512613","url":"https:\/\/voomisupply.com\/products\/gibraltar-826826-shoulder-tooling-ball-1-2-in-press-fit","provider":"Voomi Supply","version":"1.0","type":"link"}