Important Update Regarding Sherline Products
October 20, 2026
We would like to share an encouraging development regarding the future of Sherline Products.
We are currently in discussions with an American manufacturer regarding the potential purchase of Sherline’s intellectual property and remaining inventory. The goal of this proposed acquisition is to preserve and revitalize the Sherline brand while providing continued availability of replacement parts, accessories, and machines for our valued customers.
As these discussions progress, we have agreed to temporarily suspend accepting new orders, effective October 19, 2026. This will allow us to preserve our remaining inventory while negotiations are underway.
Although no final agreement has been reached, we are hopeful that this opportunity will provide a positive path forward for the Sherline name and the customers who have trusted our products for more than five decades.
We sincerely appreciate your patience, understanding, and continued loyalty during this transition. We will share additional information as soon as it becomes available.
Our greatest hope is that the Sherline legacy of quality, precision, and American craftsmanship will continue for generations to come.

Karl Rohlin III and Charla Papp
Co-Owners, Sherline Products, Inc.

Rotary Column Attachment

Rotary Column Attachment

SKU: 3500 Category:

Product Description

About the Rotary Column Attachment

The headstock on the Sherline mill can be rotated so that milling cutters can be used at an angle. However, once the spindle is pivoted, it no longer aligns with the movement of the Z-axis, and the handwheel cannot be used to advance the spindle for drilling. Parts to be angle-drilled must be mounted on the table at the proper angle. Mounting on an angle is possible with the P/N 3750 Tilting Angle Table but is more difficult than mounting them flat.

The rotary column attachment goes between the mill column and base to allow the entire column to be rotated to any angle up to 90° in either direction. Now the Z-axis handwheel advances the spindle along its axis, allowing angle drilling to be accomplished on parts mounted square to the table. A laser engraved collar and magnifying scribe lens make it easy to set angles accurately by eye. No additional holes are required for retrofit.

NOTE: Not required on 2000-series mills or multi-direction vertical milling columns, as it is already included in those packages.

Other Purchasing Options:
3750 Tilting Angle Table

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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 3500 Instructions

Instructions PDF Download

35150 Fixed Clamp Disk
35160 Graduated Clamping
35170 Moveable Clamp Disk
35180 Magnified Scribe Lens
35190 Z-Axis Tp Lens Mount Block
40330 (4) 10-32 x 5/8″ SHC Screw
40670 (4) 10-32 x 1/2″ SHC Screw
40690 (4) 10-32 x 3/4″ SHC Screw