--- title: "Chucks: 8in to 16in OD (3-JAW Self Centered)" description: High-quality 3-jaw self-centering scroll chucks for precise, versatile welding. Easy jaw adjustment, durable construction, and options for rent or sale. --- - [Catalogue](https://www.ljwelding.com/catalogue) - [About](https://www.ljwelding.com/about-us/) - [Case Studies](https://www.ljwelding.com/blog) - [Contact](https://www.ljwelding.com/contact-us-today) - [+1 (780) 466-6658 ](tel:+1(780)466-6658) [![ljwelding](https://www.ljwelding.com/hubfs/logo-1-min.png)](https://www.ljwelding.com/) ** [![](https://www.ljwelding.com/hubfs/youtube.png "Follow us on YouTube")](https://www.youtube.com/c/ljweldingautomation?sub_confirmation=1) [![Share on Facebook](https://static.hubspot.com/final/img/common/icons/social/facebook-24x24.png)](http://www.facebook.com/share.php?u=https%3A%2F%2Fwww.ljwelding.com%2F3-jaw-self-centered-chucks%3Futm_medium%3Dsocial%26utm_source%3Dfacebook) [![Share on Twitter](https://static.hubspot.com/final/img/common/icons/social/twitter-24x24.png)](https://twitter.com/intent/tweet?original_referer=https%3A%2F%2Fwww.ljwelding.com%2F3-jaw-self-centered-chucks%3Futm_medium%3Dsocial%26utm_source%3Dtwitter&url=https%3A%2F%2Fwww.ljwelding.com%2F3-jaw-self-centered-chucks%3Futm_medium%3Dsocial%26utm_source%3Dtwitter&source=tweetbutton&text=Chucks%3A%208in%20to%2016in%20OD%20%283-JAW%20Self%20Centered%29) [![](https://static.hubspot.com/final/img/common/icons/social/email-24x24.png "Share with Friends")](mailto:?subject=Chucks:%208in%20to%2016in%20OD%20(3-JAW%20Self%20Centered)%20&body=%20Here's%20a%20web%20page%20I%20thought%20you'd%20be%20interested%20in%20https://www.ljwelding.com/3-jaw-self-centered-chucks.) 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Search this site on Google search - [Catalogue](https://www.ljwelding.com/catalogue/) - [About](https://www.ljwelding.com/about-us/) - [Case Studies](https://www.ljwelding.com/blog) - [Contact](https://www.ljwelding.com/contact-us-today/) [![ljwelding](https://www.ljwelding.com/hubfs/mobile-logo.png)](https://www.ljwelding.com/) ** Search this site on Google Search Google # CHUCKS: 8" TO 16" OD (3-JAW SELF CENTERED) ![01-HERO-Chucks-1200sq](https://www.ljwelding.com/hubfs/01-HERO-Chucks-1200sq.jpg) ![02-MAG-Chucks-1200sq](https://www.ljwelding.com/hubfs/02-MAG-Chucks-1200sq.jpg) ![03-MAG-Chucks-1200sq](https://www.ljwelding.com/hubfs/03-MAG-Chucks-1200sq.jpg) ![04-MAG-Chucks-1200sq](https://www.ljwelding.com/hubfs/04-MAG-Chucks-1200sq.jpg) ![LJ-Welding-Logo-hero-Jan-24-2022-03-42-39-20-PM](https://www.ljwelding.com/hubfs/LJ-Welding-Logo-hero-Jan-24-2022-03-42-39-20-PM.jpg) ![01-HERO-Chucks-1200sq](https://www.ljwelding.com/hubfs/01-HERO-Chucks-1200sq.jpg) ![02-MAG-Chucks-1200sq](https://www.ljwelding.com/hubfs/02-MAG-Chucks-1200sq.jpg) ![03-MAG-Chucks-1200sq](https://www.ljwelding.com/hubfs/03-MAG-Chucks-1200sq.jpg) ![04-MAG-Chucks-1200sq](https://www.ljwelding.com/hubfs/04-MAG-Chucks-1200sq.jpg) ![LJ-Welding-Logo-hero-Jan-24-2022-03-42-39-20-PM](https://www.ljwelding.com/hubfs/LJ-Welding-Logo-hero-Jan-24-2022-03-42-39-20-PM.jpg) × #### KEY SPECIFICATIONS |   | **8" Chuck 8C** | **12" Chuck 12C** | **16" Chuck 16C** | **20" Chuck 20C** | | --- | --- | --- | --- | --- | | Thru-Hole Size | 2.17” | 4.06” | 5.35” | 7.48” | | Diameter Range | 0.16” - 7.95” (Hard Solid Jaw) | 0.4” - 11.8” (Hard Solid Jaw) |  0.4” - 15” (Hard Solid Jaw) | 0.8” - 18.7” (Hard Solid Jaw) | | Weight | 39 lbs | 110 lbs | 187 lbs | 320lbs | **Contact LJ Welding for inquiries on hard 2-piece clamping jaws*   ## Key Benefits ![Adaptive to various shapes and applications](https://www.ljwelding.com/hs-fs/hubfs/Icons%202023/LJ-Puzzle-Icon.png?width=288&height=291&name=LJ-Puzzle-Icon.png) Adaptive to various shapes and applications, ensuring versatility in handling different workpieces ![Easy adjustment of jaws](https://www.ljwelding.com/hs-fs/hubfs/Icons%202023/LJ_-_ICONS-THUMBSUP-removebg-preview.png?width=288&height=291&name=LJ_-_ICONS-THUMBSUP-removebg-preview.png) Easy adjustment of jaws, enabling quick and precise alignment ![Minimize downtime between workpiece](https://www.ljwelding.com/hs-fs/hubfs/Icons%202023/LJ-Stopwatch-Icon.png?width=288&height=291&name=LJ-Stopwatch-Icon.png) Minimize downtime between workpieces, increasing overall productivity ![Heavy-duty construction](https://www.ljwelding.com/hs-fs/hubfs/Icons%202023/LJ-Gears-Icon.png?width=288&height=291&name=LJ-Gears-Icon.png) Heavy-duty construction, ensuring durability and longevity under industrial conditions ![Available for rent or sale](https://www.ljwelding.com/hs-fs/hubfs/Icons%202023/LJ_-_ICONS-GRAPH1-removebg-preview.png?width=288&height=291&name=LJ_-_ICONS-GRAPH1-removebg-preview.png) Available for rent or sale, offering flexibility for project budgets ![Accommodates a wide pipe diameter range](https://www.ljwelding.com/hs-fs/hubfs/Icons%202023/LJ-Crane-Icon.png?width=288&height=291&name=LJ-Crane-Icon.png) Accommodates a wide pipe diameter range, providing extensive project compatibility [![REQUEST A QUOTE](https://no-cache.hubspot.com/cta/default/533446/a3ea4bda-2d08-462b-9f4f-8323c60a0def.png)](https://cta-redirect.hubspot.com/cta/redirect/533446/a3ea4bda-2d08-462b-9f4f-8323c60a0def) ## PHOTO GALLERY ### Chucks: 8" to 16" OD (3-JAW SELF CENTERED) [![](https://www.ljwelding.com/hubfs/01-Chucks--gallery.jpg)](https://www.ljwelding.com/hubfs/01-Chucks--gallery.jpg) [![](https://www.ljwelding.com/hubfs/02-Chucks--gallery.jpg)](https://www.ljwelding.com/hubfs/02-Chucks--gallery.jpg) [![](https://www.ljwelding.com/hubfs/03-Chucks--gallery.jpg)](https://www.ljwelding.com/hubfs/03-Chucks--gallery.jpg) [![](https://www.ljwelding.com/hubfs/04-Chucks--gallery.jpg)](https://www.ljwelding.com/hubfs/04-Chucks--gallery.jpg) [![](https://www.ljwelding.com/hubfs/05-Chucks--gallery.jpg)](https://www.ljwelding.com/hubfs/05-Chucks--gallery.jpg) [![](https://www.ljwelding.com/hubfs/LJ-Welding-Logo-image-Jan-28-2022-01-54-13-77-PM.jpg)](https://www.ljwelding.com/hubfs/LJ-Welding-Logo-image-Jan-28-2022-01-54-13-77-PM.jpg) [![](https://www.ljwelding.com/hubfs/LJ-Welding-Logo-image-Jan-28-2022-01-54-13-77-PM.jpg)](https://www.ljwelding.com/hubfs/LJ-Welding-Logo-image-Jan-28-2022-01-54-13-77-PM.jpg) [![](https://www.ljwelding.com/hubfs/LJ-Welding-Logo-image-Jan-28-2022-01-54-13-77-PM.jpg)](https://www.ljwelding.com/hubfs/LJ-Welding-Logo-image-Jan-28-2022-01-54-13-77-PM.jpg) [Request quote](https://www.ljwelding.com/contact-us-today) ## PRODUCT DESCRIPTION Our 3-jaw self-centering scroll chucks are designed to meet the diverse needs of modern welding operations. Replete with reversible top jaws, these high-quality and cost-effective lathe welding grips and chucks are a standard accessory on all[ welding positioners](https://www.ljwelding.com/general-welding-positioners) manufactured by [LJ Welding Automation](https://www.ljwelding.com/). These chucks offer three levels of engagement on each of their three jaws, enabling them to be repositioned for full range of motion. Initially designed for round and cylindrical objects, our 3-jaw self-centering scroll chucks have demonstrated versatility, proving adaptive to various shapes and applications. Moreover, the chucks feature easy jaw adjustments that minimize downtime between workpieces and a robust construction that stands up to the rigors of industrial use. We provide three distinct models of our 3-jaw self-centering scroll chucks: the 8" Chuck 8C, 12" Chuck 12C, and 16" Chuck 16C. Although varying in hole sizes and weight, all models are designed to accommodate a pipe diameter of 24″. Available for both rent and sale, our chucks cater to a variety of project requirements, ensuring LJ Welding Automation is poised to meet your needs regardless of your timeline or budget. Whether your application calls for soft jaws or custom fittings, our 3-jaw self-centering scroll chucks are crafted to deliver precision and reliability in every scenario. ![](https://www.ljwelding.com/hubfs/AutomationIcon.png) ## Similar Equipment At LJ Welding, we're dedicated to providing top-quality products that meet your needs. If you're seeking a similar product with different specifications, be sure to check out our: ### [T30, T50, T60 30" to 60" OD Grippers](https://www.ljwelding.com/30in-to-60in-diameter-grippers) [![Grippers-thumb-300](https://www.ljwelding.com/hubfs/Grippers-thumb-300.png) ](https://www.ljwelding.com/30in-to-60in-diameter-grippers) ### [Elbow Jigs 2" - 48" OD (90 degree)](https://www.ljwelding.com/2in-to-48in-diamater-elbow-jigs) [![Elbow-Jigs-thumb-300-2](https://www.ljwelding.com/hubfs/Elbow-Jigs-thumb-300-2.png) ](https://www.ljwelding.com/2in-to-48in-diamater-elbow-jigs) LJ Welding's engineering department provides a progressive approach to solving the unique problems that inevitably arise in our industry, resulting in efficient design, fabrication, and timely delivery of custom equipment. ## Contact Us Found the right positioner accessories? Looking to buy, rent or lease positioner accessories? Fill in our express quote request today: *Product specifications and accessories may be changed at any time. Please consult with your LJ Welding representative at any time to confirm the actual specifications of LJ products. [![Ljwelding logo](https://www.ljwelding.com/hs-fs/hubfs/footer-logo-min.png?width=231&name=footer-logo-min.png)](https://www.ljwelding.com/) [![footer-logo](https://www.ljwelding.com/hs-fs/hubfs/footer-logo.png?width=231&name=footer-logo.png)](https://www.ljwelding.com/) [Give us a Call](https://www.ljwelding.com/contact-us-today) ![](https://googleads.g.doubleclick.net/pagead/viewthroughconversion/1038762205/?guid=ON&script=0)