Sherline 2.5" 4-Jaw Independent Chuck (1/2-20)
Description
- Sherline 2.5" 4-Jaw Independent Chuck (1/2-20)
- Offers tight grip on irregular parts
- Features reversible jaws for flexibility
- Operates with a 5/32″ hex wrench
- Adapts to various spindle threads
- Secures parts for milling operations
The Sherline 2.5" 4-Jaw Independent Chuck (1/2-20) offers significant advantages over traditional 3-jaw chucks, making it an essential tool for precision machining tasks. This chuck is particularly adept at holding irregularly shaped parts, allowing for precise centering and the ability to hold parts off-center when necessary. Its design ensures a tighter grip on stock, which is invaluable when machining components such as cams and crankshafts.
One of the notable features of this chuck is its reversible jaws, which can accommodate larger stock, enhancing its versatility. Unlike scroll chucks, this independent chuck does not have Tommy bar holes, as it is typically operated using a 5/32″ hex wrench. This chuck can clamp both externally and internally, similar to the 3-jaw chucks, but it is considered to add more versatility to a machine, making it a preferred choice for those seeking to expand their machining capabilities.
The chuck is compatible with various spindle threads, including those used on Sherline and other lathes, such as old Unimat and Sears 6″ lathes. This adaptability makes it a versatile addition to any workshop. Additionally, the chuck features a clamping groove, allowing it to securely hold parts for milling operations.
Note: Exercise caution when setting the jaws individually, as this can add considerable setup time.
- 1x Hex key
- Chuck Diameter: 2.5 inches
- Jaw capacity with jaws in normal position: 3/32″ (2mm) – 1-3/16″ (30mm)
- Jaw capacity with jaws in reverse position: 5/16″ (8mm) – 2-1/4″ (56mm)
- Through hole diameter: .687″ (17mm)
- Thread size: 1/2-20 (Old Sears 6″ Lathes)
- Chuck body material: 12L14 steel
- Chuck jaws material: 12L14 case-hardened steel
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If you are not satisfied with a product purchased from the Site, you may request a return within 30 days from the delivery date, unless the product is listed under the Return Exceptions below or is subject to specific return conditions noted on the product page.
Please review the Return Conditions, Return Exceptions and the process on How to Request a Return Authorization (RA) before initiating a return request.
Returns under this policy concern non-defective products. In the case of a confirmed manufacturing defect, remedies are handled under the Warranty terms, at RoboItchi's discretion. See the Warranty section.
Return Conditions
To qualify for a refund under the 30-day return policy, all of the following conditions must be met:
- A valid Return Authorization (RA) number must be obtained prior to returning the product. Returns without an RA number will be refused.
- The RA number is valid for 30 days. The returned item must be received within that period.
- The RA number must be included with the return.
- Products must be returned in unused, unmodified condition (e.g., no scratches, alterations, missing parts, or signs of installation/use) and in their original packaging, suitable for resale.
- Shipping fees are non-refundable. Return shipping costs are the responsibility of the customer, except in cases of a product confirmed defective through RoboItchi's troubleshooting process or of a verified shipping error by RoboItchi.
- Refunds are processed within 7 days after receipt and inspection of the returned item.
- A ¥10,000 cleaning fee may apply to domestic robots returned in used or unclean condition.
- A 20% restocking fee may apply to large-quantity returns of items ordered specifically for the customer from the manufacturer or not part of RoboItchi's standard inventory.
Return Exceptions
The following products are not eligible for return or refund under this policy:
- Used, damaged, or modified products — Items that show signs of use, wear, or alteration, making them unsuitable for resale.
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- Clearance Items — Products identified as clearance or final sale, including end-of-life or discontinued items.
- Custom-made, personalized, or special-order items — Products manufactured, configured, adapted, or built to the customer's own specifications and requirements.
- On-Demand Items — Standard catalogue products not stocked by RoboItchi and ordered specifically to fulfill a customer request.
- Professional & Specialized Equipment — See the Professional & Specialized Equipment Warranty page and Professional & Institutional Buyers (B2B) section in the Terms & Conditions.
How to Request a Return Authorization (RA)
To request a return, submit a support ticket from your account under My Support Tickets to obtain a Return Authorization (RA) number. Returns without an RA number will be refused.