Enhances precision with 2.5-inch Z Axis DRO handwheel
Compatible with precision milling machines
Offers Inch and Metric options for versatility
Manufactured in the USA for quality assurance
Ideal for light-industrial and home-shop use
The Sherline Mill Column – DRO – Inch is an advanced milling accessory designed to enhance precision and versatility in machining tasks. This column is an extended 15-inch upgrade, making it suitable for both benchtop and tabletop-sized workspaces. It is compatible with precision milling machines and is adept at crafting precision parts from a variety of materials, including steel, aluminum, brass, wood, and plastic. This makes it an ideal choice for both light-industrial applications and home-shop use.
Manufactured in the USA, the Sherline Mill Column is available in both Inch and Metric options, catering to diverse measurement preferences. It is engineered to provide reliable performance and is equipped with a thrust bearing set and a saddle locking lever, ensuring stability and accuracy during operation. The inclusion of a saddle nut with an oiler further enhances its functionality by facilitating smooth movement and reducing wear.
The column is designed with a focus on precision and ease of use, featuring a 2.5-inch Z Axis DRO handwheel for precise adjustments. The encoder unit with cable ensures accurate digital readouts, enhancing the user's ability to perform detailed and intricate machining tasks. The robust construction and thoughtful design elements make this mill column a valuable addition to any machining setup.
Note: Always wear safety glasses when operating machine tools to prevent serious injury.
1x Sherline Mill Column – DRO – Inch
Thrust Bearing Set
Saddle Locking Lever (Inch)
Saddle Nut with Oiler (Inch)
Head Key
1x 10-32 x 5/8″ SHCS
1x 1/4″ Washer
1x 10-32 x 1/4″ Flat Point Set Screw
1x #10 Washer 3/16″
1x 10-32 x 7/8″ SHCS
Gib Lock
1x 10-32 x 3/8″ Flat Head Screw
Saddle Gib
Column Lead Screw (Inch)
Column Bed
Column Saddle
Mill Column Base
1x 1/4-20 x 1-3/4″ SHCS
Pivot Pin
1x 5/64″ Hex Key
Encoder Unit with Cable
2.5″ Z Axis DRO Handwheel (Inch)
DRO Z Axis Thrust Collar
15" extended column upgrade
Available in inch and metric options
Compatible with precision milling machines
Suitable for benchtop or tabletop workspaces
Made in the USA
Capable of producing precision parts from steel, aluminum, brass, wood, and plastic
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.
This return policy also applies, as a minimum standard, to products sold and fulfilled by third-party vendors through the Marketplace.
United Kingdom consumers exercising their statutory Right of Cancellation are subject to different conditions. See the Statutory Right of Cancellation.
Returns under this policy concern non-defective products. In the case of a confirmed manufacturing defect, remedies are handled under the Warranty terms, at the Vendor'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 Authorisation (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 RobotShop's troubleshooting process or of a verified shipping error by RobotShop.
Refunds are processed within 7 days after receipt and inspection of the returned item.
A £100 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 RobotShop'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.
Consumables * — Use and wear-and-tear components, altered or depleted through use (e.g., batteries, belts, brushes, gears, filament, tyres, disposable bags, lubricants, greases, waxes, etc.). Not eligible for return once opened or used.
Perishables — Goods liable to deteriorate or expire rapidly. Not eligible for return.
Sealed goods (health or hygiene) — Items sealed for health-protection or hygiene reasons (e.g., masks, gloves, odour-absorbing products). Not eligible for return once unsealed.
Build-it-yourself products and items requiring customer assembly * — Including robots & kits, robot parts, and other products requiring assembly or soldering. Not eligible for return once assembled, soldered, or installed.
Digital Goods, Software, and Apps * — Final sale only, due to licensing restrictions.
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 RobotShop and ordered specifically to fulfil a customer request.
* United-Kingdom consumers retain their statutory Right of Cancellation on these items. Its exercise is subject to the conditions and exclusions set out in the Statutory Right of Cancellation, and any reimbursement may be reduced to reflect a loss in value resulting from handling beyond inspection.
How to Request a Return Authorisation (RA)
While the same return policy applies, these orders require a separate contact process for returns.
RobotShop Fulfilled Orders → submit a support ticket from your account under My Support Tickets.
Marketplace Vendor Orders → submit a ticket from your account under My Marketplace Tickets to contact the vendor directly.
Note: Marketplace vendor products are normally labelled with SKUs starting with RM, and identified on the product page with the mention "Sold and fulfilled by [Vendor Name]".