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Interchangeable Jaws

Master steel jaws (top left) accept top jaws made of (top, left to right) Delrin®, nylon, (middle row) Teflon®, brass, aluminum, and unhardened steel, (bottom row) tall jaws: 1″ aluminum and mild steel, and 1.5″ aluminum and mild steel.

Bottom Master Jaws are required in order to use Top Jaws

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Product Description

Certain delicate parts require gripping with softer jaw materials. Other operations require chuck jaws that do not transmit particles of rust to the part being held. To accommodate these special circumstances, Sherline now offers 2-piece chuck jaws with interchangeable top jaws* made from special materials. In place of the standard hardened or optional unhardened (“soft”) steel 1-piece jaws, these new top jaws come in soft materials like Delrin, Teflon, and Nylon, plus harder but non-rusting materials like brass and aluminum. The replaceable top jaws are fastened to the hardened steel bottom jaws with two countersunk socket head screws. They are not stepped so the customer can machine them for custom holding applications. Other materials are available by request.

Click on the image for a larger view.

The standard top jaws are 5/8″ tall. We also offer taller jaws with heighths of 1″ and 1-1/2″. These taller jaws were developed for a customer who uses our lathe for custom jewelry design and can be machined to hold custom work, as seen in the photo to the right. The tall jaws are made of aluminum and mild steel. We will do custom machining of the jaws for an additional charge. You can contact sherline@sherline.com and send a print of your jaw design to request a quote.

*Please note that you must purchase the bottom master jaws before you can use the top jaws.

brass top-jaws
Brass top jaws with bottom master jaws.

NOTE: To customers who are buying these jaws for an existing chuck, please measure the width of your current chuck jaws with a pair of mics so we can grind your master jaws to match. State your current jaw width in the comments box above. For first time buyers who are buying a new chuck with these Master jaws, your jaws will be ground to match your chuck. Prices shown are for the jaws only (new chuck is not included).

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The improper use of machine tools and their accessories can result in serious injury. Before using this tool, thoroughly read the instructions and make sure you understand its proper and safe use.

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Always wear safety glasses when operating machine tools.


Download PDF 1141-1149 Instructions

Instructions PDF Download

We offer two types of 3D object files: .igs and .stp.

  1. To view .igs files you need an IGS viewer. CLICK HERE to download a FREE IGS viewer.
  2. To view .stp files you need an STP viewer. CLICK HERE to use Autodesk’s FREE A360* online file viewer. STP is a file extension for a 3-D graphic file used by CAD software. STP stands for STandard for the Exchange of Product model data. STP files are used to store 3D image data in an ASCII format, following the standards defined in ISO 10303-21: Clear Text Encoding of the Exchange Structure.
  3. Each 3D file format has been compressed into a .zip file to save file space. Click on the .zip file link below to download it to your computer.
  4. Extract the .zip file to the drive location of your choice.
  5. Open the .igs file using the IGS Viewer, or open the .stp file using the A360 Autodesk online viewer.

*NOTE: There are also other free STP viewers that can be downloaded directly to your computer.

These files are available in STP format only at this time.

CLICK HERE to download the 11415 4-Jaw Scroll Master Jaw 3D STP file.
CLICK HERE to download the 11445 3-Jaw Scroll Master Jaw 3D STP file.
CLICK HERE to download the 11455 Interchangeable Top Jaw 3D STP file.
CLICK HERE to download the 11465 4-Jaw Independant Master Jaw 3D STP file.

Top Jaw Height Material
0.6″ Delrin®, Nylon, Teflon®, Brass, Aluminum, and Unhardened Steel
1.0″ Aluminum, Mild Steel
1.5″ Aluminum, Mild Steel

Shipping

We do not charge a flat rate for shipping because of the variations in weight for our products. Instead we charge you what the shipping company charges us. Our website uses a shipping calculator based on the daily rates for USPS and UPS based on the weight and destination of the shipment. You can also have us use your UPS/FedEx account number to charge your shipping to. Just enter it in the appropriate box on the checkout page.

Domestic orders are shipped Monday – Friday. Expedited orders must be placed by 9 am PST to ship the same day.

Orders shipping ground have a processing time of 7 working days for domestic orders and 14 working days for international orders. Click here for more information on our shipping and order policies.

Returns

Most merchandise can be returned within 30 day of the purchase date. A refund will be issued to the original form of payment at the original selling price. View our complete return policy and/or start your return online here.