{"product_id":"4-inch-4-jaw-independent-lathe-chuck-with-solid-ha","title":"4 Inch 4 Jaw Independent Lathe Chuck With Solid Hard Jaws, 1 To 10 TPI Back Plate, Semi Machined Three Point Nine Three Inch Backing Plate, Machining Required, Beefy Pro Grade Workholding For Metalworking","description":"\u003cdiv\u003e4-Inch 4-Jaw Independent Lathe Chuck with Back Plate\n✔️ 4 inch chuck, 3.93 inch back plate, 1-10 TPI, 1 pc included \u003cp\u003eThis item is a 4-inch, four‑jaw independent lathe chuck that pairs with a semi‑machined backing plate. It’s designed for metalworking applications where precise, adjustable grip is needed on round stock, and it requires machining to fit your lathe’s back plate mounting.\u003c\/p\u003e \u003cp\u003eBack plate diameter 3.93 inches (99.8 mm); compatible chuck diameter 4 inches (101.6 mm). Mounting uses 1-10 threads per inch (TPI); bolt circle 3.307 inches (84.0 mm); thru hole 0.984 inches (25.0 mm). Chuck thickness 2.126 inches (54.0 mm); total indicated runout (TIR) 0.005 inches (0.127 mm).\u003c\/p\u003e \u003cp\u003e✅ Chuck: 4\" diameter (101.6 mm) with 4 independent jaws \u003cbr\u003e\n✅ Back plate: 3.93\" diameter (99.8 mm) semi‑machined with 1 x 10 TPI \u003cbr\u003e\n✅ Mounting: 1-10 TPI; bolt circle 3.307\" (84.0 mm) \u003cbr\u003e\n✅ Thru hole: 0.984\" (25.0 mm); TIR 0.005\" (0.127 mm) \u003cbr\u003e\n✅ Chuck thickness: 2.126\" (54.0 mm); includes back plate p\/n 202-6107-6 \u003cbr\u003e\n✅ Includes: 1 pc 4\" 4-jaw chuck (p\/n 202-5419) and 3.93\" back plate (p\/n 202-6107-6)\u003c\/p\u003e \u003cp\u003e💡 What is a lathe chuck used for?\u003c\/p\u003e\nA lathe chuck is a handy tool for securing round stock on a turning lathe to perform precise operations.\n- Provides secure, repeatable grip on round workpieces for turning\n- Independent jaw action allows centering and clamping of irregular shapes\n- Back plate machining is often required to fit a specific lathe mounting (1-10 TPI)\n- A solid workholding option for metalworking projects requiring accurate concentricity\n✝️\u003c\/div\u003e","brand":"Amazon","offers":[{"title":"Default Title","offer_id":48789846425835,"sku":"VXB0844HNN6X","price":224.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/81No7J1hqZS._AC_UL320.jpg?v=1782794623","url":"https:\/\/vxb.com\/products\/4-inch-4-jaw-independent-lathe-chuck-with-solid-ha","provider":"VXB Bearings","version":"1.0","type":"link"}