{"product_id":"4-jaw-self-centering-lathe-chuck-2-75-in-1x8-tpi","title":"4-Jaw Self-Centering Lathe Chuck, 2.75 in, 1x8 TPI","description":"\u003cp\u003e4 jaw self centering lathe chuck delivers stable, repeatable holding for cleaner turning and more accurate machining. Built from heat-treated 45# steel with a chrome-plated finish, it’s designed for demanding shop use across lathes, milling setups, grinding, and drilling tasks. Adjustable jaws let you grip a wide range of shapes—round stock, bowls, plates, and more—while maintaining consistent alignment for dependable results.\u003c\/p\u003e\u003cbr\u003e\u003cbr\u003e\u003cul\u003e\n\u003cbr\u003e\u003cli\u003eDelivers consistent clamping with a 4-jaw self-centering design for stable, accurate workholding\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eFits wide workpiece sizes with inner clamp range 30–47 mm and outer support range 38–56 mm\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eAdjusts quickly using a T-handle wrench to grip bowls, plates, vases, cups, and irregular shapes\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eResists wear with quenched, hardened 45# steel and a chrome-plated natural finish\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eSupports precision setups with controlled runout tolerances for turning, grinding, and milling work\u003c\/li\u003e\n\u003cbr\u003e\n\u003c\/ul\u003e\u003cbr\u003e\u003cbr\u003e\u003cp\u003eWhen you’re chasing tighter tolerances, your chuck choice matters as much as your tooling. This compact 2.75 in (φ70 mm) chuck is engineered for secure holding, smooth adjustment, and reliable centering—helping reduce rework and improve surface finish. Install with standard fasteners, dial in your grip, and keep production moving with less fuss between setups. Grab yours today and upgrade your workholding for more controlled, confident machining.\u003c\/p\u003e\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003cbr\u003e\u003cul\u003e\n\u003cbr\u003e\u003cli\u003eChuck outer diameter: 2.75 in \/ φ70 mm\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eOverall dimensions: φ70 × 65 mm\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eNet weight: 3.2 lb \/ 1.47 kg\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eMain material: 45# steel (quenched \u0026amp; hardened)\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eChuck internal thread: 1\" × 8 TPI\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eClamping range (inner): 1.18–1.85 in (30–47 mm)\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eSupport range (outer): 1.5–2.24 in (38–56 mm)\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eOuter diameter runout: ≤ 0.15 mm\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eTest bar radial runout: ≤ 0.40 mm at 50 mm distance\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eTest ring end face runout: ≤ 0.15 mm\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eSurface finish: ≤ Ra1.6; chrome-plated natural color\u003c\/li\u003e\n\u003cbr\u003e\n\u003c\/ul\u003e","brand":"B2X","offers":[{"title":"Default Title","offer_id":55498919969095,"sku":"VEV-001247-B","price":432.0,"currency_code":"PLN","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0878\/5402\/2983\/files\/4JawSelfCenteringLatheChuck275in1x8TPIDefaultTitle.jpg?v=1792511203","url":"https:\/\/bluemall.pl\/products\/4-jaw-self-centering-lathe-chuck-2-75-in-1x8-tpi","provider":"Bluemall","version":"1.0","type":"link"}