CAT40 ER16 Collet Chuck Set (8Pcs, 70mm), High-Speed CNC Tool Holder for Milling, Lathe & Engraving Machines
CAT40 ER16 Collet Chuck Set (8Pcs, 70mm), High-Speed CNC Tool Holder for Milling, Lathe & Engraving Machines
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Returns
Returns
We accept returns within 30 days of delivery. Items must be unworn, unwashed, and returned with original tags attached.
Care Instructions
Care Instructions
To preserve the beauty of your dress, we recommend gentle hand washing or dry cleaning. Do not bleach. Hang or lay flat to dry. Steam or iron on low heat if needed.
Shipping
Shipping
Orders are processed within 1–3 business days.
- Standard Shipping: 5–9 business days — $3.95
- Express Shipping: 4–7 business days — $9.95
Delivery times are estimates and may vary depending on your location. Tracking information will be provided once your order has been shipped.
Elevate your machining operations with the 8Pcs CAT40 Tool Holder ER16 Collet Chuck Set, designed for CNC engraving, milling, and lathe applications. Crafted from high-grade 40Cr steel, this set ensures durability, rust resistance, and long-lasting performance in demanding industrial environments. The single-piece construction enhances balance, reducing vibrations for smoother, more accurate cuts.
Unmatched Accuracy & Stability:
Achieve 0.0002" ultra-precision with hardened and ground tool holders, guaranteeing high concentricity and stable performance. The 2.75" (70mm) gage length provides optimal projection for versatile tool setups, while the ER16 collet system ensures a secure grip on cutting tools, minimizing runout.
High-Speed Machining Ready:
Balanced for 8,000 RPM operations, these CAT40 ER16 collet chucks meet industrial standards for high-speed spindle turning. The V-Flange design and through-spindle coolant capability enhance efficiency, reducing heat buildup and extending tool life.
Effortless Operation & Compatibility:
Ideal for CNC lathes, milling machines, drill presses, and heavy-duty hand tools, this set features a fully ground flange and V-groove for seamless tool changes. The polished, rust-proof body ensures smooth operation, while the lightweight yet robust design (8.66 kg) simplifies handling.
Why Choose This Set?
40Cr Steel Construction – Heavy-duty, corrosion-resistant, and long-lasting.
0.0002" Runout Accuracy – Ensures flawless surface finishes.
8,000 RPM Balanced – Smooth operation at high speeds.
Coolant-Thru Ready – Reduces heat and improves chip evacuation.
Universal Compatibility – Works with CNC mills, lathes, and engravers.
Upgrade your workshop with this professional-grade CAT40 ER16 tool holder set—engineered for precision, speed, and reliability.

what our customers say about us
4.9
Based on 100+ Reviews
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EEmily R.Verified BuyerPerfect for a summer weddingI wore this to my cousin's wedding and felt amazing all day. The fit was exactly as expected, and I received so many compliments. I ordered my usual size S.CAT40 ER16 Collet Chuck Set (8Pcs, 70mm), High-Speed CNC Tool Holder for Milling, Lathe & Engraving Machines Was this helpful? 23 2
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OOlivia H.Verified BuyerBeautiful dressReally happy with this purchase. I only wish I had steamed it before trying it on because it arrived with a few wrinkles from shipping.CAT40 ER16 Collet Chuck Set (8Pcs, 70mm), High-Speed CNC Tool Holder for Milling, Lathe & Engraving Machines Was this helpful? 0 0
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SSarah T.Verified BuyerSo flatteringI have a hard time finding dresses that fit my waist properly, but this one was perfect. Very comfortable to wear for several hours.CAT40 ER16 Collet Chuck Set (8Pcs, 70mm), High-Speed CNC Tool Holder for Milling, Lathe & Engraving Machines Was this helpful? 0 0
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CChloe W.Verified BuyerWorth every dollarThe quality surprised me. The material has a nice weight and doesn't feel see-through at all. I'll definitely order another style.CAT40 ER16 Collet Chuck Set (8Pcs, 70mm), High-Speed CNC Tool Holder for Milling, Lathe & Engraving Machines Was this helpful? 0 0
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AAmanda K.Verified BuyerEngagement photo approvedBought this for our engagement photos and couldn't be happier. It looked beautiful in natural light and fit perfectly.CAT40 ER16 Collet Chuck Set (8Pcs, 70mm), High-Speed CNC Tool Holder for Milling, Lathe & Engraving Machines Was this helpful? 0 0
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NNicole B.Verified BuyerRuns slightly roomyI was between sizes and ordered the larger one. It still looked great, but I probably could have gone with my usual size.CAT40 ER16 Collet Chuck Set (8Pcs, 70mm), High-Speed CNC Tool Holder for Milling, Lathe & Engraving Machines Was this helpful? 0 0
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HHannah C.Verified BuyerComfortable all eveningWore this to a formal dinner and didn't have to adjust it once. It stayed comfortable from start to finish.CAT40 ER16 Collet Chuck Set (8Pcs, 70mm), High-Speed CNC Tool Holder for Milling, Lathe & Engraving Machines Was this helpful? 0 0
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MMegan L.Verified BuyerLove the qualityBeautiful stitching and a really elegant design. It feels much more expensive than it actually is.CAT40 ER16 Collet Chuck Set (8Pcs, 70mm), High-Speed CNC Tool Holder for Milling, Lathe & Engraving Machines Was this helpful? 0 0
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RRachel S.Verified BuyerTrue to sizeI followed the size chart and ordered a Medium. It fit exactly the way I wanted.CAT40 ER16 Collet Chuck Set (8Pcs, 70mm), High-Speed CNC Tool Holder for Milling, Lathe & Engraving Machines Was this helpful? 0 0
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AAshley D.Verified BuyerReceived so many complimentsEveryone kept asking where I bought this dress. It's simple, elegant, and easy to accessorize.CAT40 ER16 Collet Chuck Set (8Pcs, 70mm), High-Speed CNC Tool Holder for Milling, Lathe & Engraving Machines Was this helpful? 0 0
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LLauren P.Verified BuyerVacation favoritePacked this for my trip to Italy and wore it twice. It's lightweight, comfortable, and photographs beautifully.CAT40 ER16 Collet Chuck Set (8Pcs, 70mm), High-Speed CNC Tool Holder for Milling, Lathe & Engraving Machines Was this helpful? 0 0
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BBrittany G.Verified BuyerLovely dressThe zipper was a little stiff the first time, but after wearing it once everything worked perfectly. Overall, I'm very happy.CAT40 ER16 Collet Chuck Set (8Pcs, 70mm), High-Speed CNC Tool Holder for Milling, Lathe & Engraving Machines Was this helpful? 0 0
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KKayla N.Verified BuyerHelpful customer serviceI wasn't sure which size to buy, so I contacted support first. They recommended a Small, and it fit perfectly.CAT40 ER16 Collet Chuck Set (8Pcs, 70mm), High-Speed CNC Tool Holder for Milling, Lathe & Engraving Machines Was this helpful? 0 0