Welcome to Rockcliff Machine Inc.
An Online Store and Forum for DIY Building of your own CNC Machine, CNC Router Parts, CNC Router Plans, CNC electronics, Builders Forum and Tools for CNC Machines, for the DIY Hobbyist and Industrial Machine Automation
Rockcliff Machine, for the past 20+ years, has been designing and building custom, industrial Machines. Our products are used mainly in new automobile manufacturing, and our machines are installed in many manufacturing plants in many countries: USA, Canada, Japan, Germany, Mexico, China, England, France, Australia, Brazil, Korea, Thailand, Belgium, Argentina, and more. We mainly specialize in industrial, CNC Automation Machine Technology and Manufacturing , for industrial customers, but also have a real passion for CNC Machines that can make stuff, over the years we have helped many thousand DIY builders, fabricate their own CNC Router, Milling, Lathe Machines and recently added a 3D Printer Head, with our CNC Router Plans, and CNC Parts, you can have a CNC in no time at all, visit our Rockcliff CNC Machine Builders forum, it’s free to join, or visit
This Precision Made CNC Pen holder will transform your cnc router into a writing machine, great for layout, checking tool path accuracy, plotting artwork, labeling parts, made from commercial grade Delrin, with precision ground 1/4″ shank, it fits in your router like a regular bit, it also features adjustable, pen pressure, and accurate center-line alignment, we also provide a 1/2″ diameter for your larger markers, fits all rotary tools with 1/4 collet. A must have tool for anyone that uses a CNC, it’s even used by the Smithsonian Institution, to create some of their display exhibits.
Our CNC Drag Knife is the perfect tool for your CNC router, with this Drag Knife bit you can cut stickers, stencils, paper, thin plastics, decals like a pro, you will be amazed at all the new possibilities and materials your CNC can cut. It has a 1/4″ shank, that mounts in your tool like a regular bit, precision made, with two ball bearings, magnetic knife holder, adjustable foot for accurate blade depth setup, ships complete with 3 carbide blades, 30, 45 and 60 degree and an instruction sheet.
We find these Straight Line Lasers are a Great CNC tool for layout, and alignment, of tools and work,, they can be easily mounted above your router table and the focus is adjustable for a crisp clean straight line, they are powered by 3 to 5 VDC
5mW Red Laser Line Module Adjustable Focus Single Stripe Lens
Output: red laser straightly(650nm)
Size: approx. Φ12 x 35mm
Cable length: about 135mm
Working voltage: 3-5VDC
Current: 40mA (Max)