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⚙️ Grip precision, mill perfection — don’t let your CNC run without it!
The SainSmart Genmitsu 7Pcs ER11 Spring Collet Set offers a comprehensive 1mm to 7mm gripping range, made from hardened spring steel for durability and precision. With an ultra-low 0.01mm run-out tolerance, it ensures vibration-free, accurate machining on CNC milling, engraving, and lathe tools. Trusted by professionals and rated 4.6 stars by 779 users, this set is a must-have for any serious maker aiming for flawless results.





| ASIN | B07P98CKMR |
| Best Sellers Rank | #13,543 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #2 in Router Collets |
| Brand | sainsmart |
| Brand Name | sainsmart |
| Capacity | 7 millimeters |
| Compatible Devices | Milling Machine |
| Compatible devices | Milling Machine |
| Customer Reviews | 4.6 out of 5 stars 806 Reviews |
| Handle Type | wrench-tightened |
| Included Components | 7Pcs ER11 Spring Collet Set |
| Item Diameter | 1 Millimeters |
| Item Weight | 0.06 Kilograms |
| Item diameter | 1 Millimeters |
| Item weight | 0.06 Kilograms |
| Lock Type | Manual |
| Manufacturer | SainSmart |
| Manufacturer Part Number | ER11 |
| Material | Spring Steel |
| Material Type | Spring Steel |
| Model Number | ER11 |
| Number of Items | 7 |
| Thread Size | 1 mm, 2 mm, 3 mm, 4 mm, 5 mm, 6 mm, 7 mm |
| Thread size | 1 mm, 2 mm, 3 mm, 4 mm, 5 mm, 6 mm, 7 mm |
B**K
Des pinces de qualité professionnelle
Des pinces avec une très bonne géométrie, bon pincement et pas de faux rond. Assure un usinage sans vibrations et d'un bel état de surface.
と**や
問題なく使用できています。
CNC3018ProVER2で使用しています。 純正品という事もあり、安心できます。 使えないほど大きなフレも特にありませんでした。 着脱は多少硬いですが、コツを掴むと問題なくできるようになりました。 (下に傾けるだけでなく、傷をつけない柔らかい鉛筆などの棒で変形させないように押し出すと上手く取り外せる様になりました)
F**O
ottimo prodotto
molto utili di ottima fattura
A**R
Nice
as described brilliant product.
J**N
ok
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Trustpilot
4 days ago
1 week ago