{"product_id":"k11-100-pro-grade-4-inch-3-jaw-self-centering-lath","title":"K11-100 Pro Grade 4 Inch 3 Jaw Self Centering Lathe Chuck For CNC Drilling Milling Machine With Low Runout 0.002 Inches 22mm Center Bore 84mm Bolt Circle 55mm Thick Ideal For Precision Machining","description":"\u003cdiv\u003e4-Inch Pro Grade 3-Jaw Self-Centering Lathe Chuck\n✔️ 4-inch chuck with 3 inner jaws, 3 outer jaws, bolts, and key \u003cp\u003eThis 4-inch lathe chuck is a pro-grade 3-jaw self-centering unit ideal for CNC drilling and milling. It delivers low runout, precise clamping, and supports direct bar-stock machining with a 22 mm center bore, 84 mm bolt circle, and 55 mm thickness. The package includes the chuck body, three inner jaws, three outer jaws, three mounting bolts, and a chuck key, making it a complete setup for precision machining on 4-inch lathes.\u003c\/p\u003e \u003cp\u003e✅ Diameter 100 mm (3.94\"), center bore 22 mm (0.866\"), thickness 55 mm (2.16\"), bolt circle 84 mm (3.31\"), runout 0.002 in (0.05 mm) \u003cbr\u003e\n✅ Internal Jaw Clamping Range A-A1: 2-30 mm (0.078-1.18 in) \u003cbr\u003e\n✅ Internal Jaw Clamping Range B-B1: 30-90 mm (1.18-3.54 in) \u003cbr\u003e\n✅ External Jaw Clamping Range C-C1: 30-80 mm (1.18-3.15 in) \u003cbr\u003e\n✅ Package Includes: chuck body, 3 inner jaws, 3 outer jaws, 3 mounting bolts, chuck key \u003cbr\u003e\u003c\/p\u003e \u003cp\u003e💡 What is a 3-jaw self-centering lathe chuck used for in precision machining?\nThis setup is handy for quick, reliable workholding on round stock during turning, drilling, and milling.\n- quick, centered grip for round parts\n- supports both inner and outer jaw clamping\n- keeps runout low for tight tolerances\n- works with standard center bore and bolt circle specs\u003c\/p\u003e \u003c\/div\u003e","brand":"Amazon","offers":[{"title":"Default Title","offer_id":48159334990059,"sku":"VXB07ZF23H3Z","price":149.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/51YN7TQrTfL.jpg?v=1777448783","url":"https:\/\/vxb.com\/products\/k11-100-pro-grade-4-inch-3-jaw-self-centering-lath","provider":"VXB Bearings","version":"1.0","type":"link"}