{"product_id":"four-pack-4-inch-cat40-er16-collet-chuck-set-with","title":"Four Pack 4 Inch CAT40 ER16 Collet Chuck Set With 0.0001 Inch TIR For CNC Milling Lathe Engraving End Mills Drills Reamers Center Drills Heavy Duty Pro Grade Tool Holder","description":"\u003cdiv\u003eFour Pack CAT40-ER16 4in Collet Chuck Kit with 0.0001 TIR\u003cbr\u003e\n✔️ 4 x CAT40-ER16 collet chucks, 4in projection, 0.0001 in TIR \u003cp\u003eThese four CAT40-ER16 collet chucks offer solid, precise tool holding for CNC milling and engraving. Designed to clamp straight shank tools like end mills and drills, they achieve minimal runout thanks to a tight TIR of 0.0001 inch. Widely used in shops, machine shops, and prototyping labs for reliable performance across milling and drilling tasks.\u003c\/p\u003e ✅ 0.0001 inch TIR for tight runout and precise centering\u003cbr\u003e\n✅ Suitable for clamping end mills, drills, taps, reamers, and center drills\u003cbr\u003e\n✅ 4 inch projection length provides good reach in crowded setups\u003cbr\u003e\n✅ Pack of 4 pieces for quick tool changes and replacements\u003cbr\u003e \u003cp\u003e💡 What is a CAT40 ER16 collet chuck used for in CNC milling and why is low TIR important?\u003cbr\u003eThese chucks are handy for secure tool holding in milling centers and lathes.\u003cbr\u003e- CAT40 ER16 collet chuck securely clamps straight shank tools like end mills and drills\u003cbr\u003e- Low TIR of 0.0001 inch minimizes runout and improves finish\u003cbr\u003e- 4 inch projection length helps reach in tight work areas\u003cbr\u003e- Pack of 4 pieces keeps spare chucks aligned with main tools\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amazon","offers":[{"title":"Default Title","offer_id":48077542162667,"sku":"VXB09WY5TZKQ","price":149.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/61EQLEoVa5L.jpg?v=1775868255","url":"https:\/\/vxb.com\/products\/four-pack-4-inch-cat40-er16-collet-chuck-set-with","provider":"VXB Bearings","version":"1.0","type":"link"}