There is the horizontal support arm with long 2MT arbor for horizontal milling, plus a box of various horizontal cutters. There is also a short arbor that looks like it could be used for light horizontal cuts without using the support arm possibly enabling use with the vertical head still fitted?.
eBay
Milling Cutter Hrc50 4-Flute Endmill Alloy Tungsten Steel Cnc Maching Top Milling Machine Tools For Steel 1.0mm-12.0mm tools
Aliexpress UK
This listing is for a set of milling machine bits, perfect for those in the metalworking industry. These bits are designed to ensure precision and efficiency in your work, making them an essential addition to your tool collection. Crafted from high-quality materials, these bits are built to last and withstand heavy use. Whether you're a professional machinist or a hobbyist, these milling machine bits are sure to meet all your cutting needs.
eBay
R8 Collet Milling Machine R8 Collet Metric British R8 Collet Clamping Size Milling Tool Holder R8 Collet Chuck Set Spring Collet
Aliexpress UK
MAYDOWN CHUCK CV 40-SM32-050M. MAYDOWN CHUCK DT50 SM40 050.
eBay
Universal scale rings & dials: Milling machine accessories (for machine tools, punch presses)
Aliexpress UK
Good condition
eBay
ER8 ER11 ER16 ER20 ER25 ER32 ER40 A M UM O Wrench For Cnc Machining Center Engraving Machine Milling Machine Tool Holder Nut
Aliexpress UK
The machines I have available are.
eBay
Automatic CNC Tool Sensor Mach3 Z Axis Probe for CNC Milling Machine Engraving Router CNC Auto Zero Check Touch Plate
Aliexpress UK
Centec 2 Horizontal Milling Machine (Granville) Main Bed Good condition Will post overseas at the buyers cost for delivery Please check out my other items
eBay
CNC Milling Machine Flexible Guard Dust Cloth Protective Flat Accordion Bellows Dust Cover Tool 1.5 Meters*15mm
Aliexpress UK
Good condition
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HRC50 1 2 3 4 5 6 8 10 4 Flutes Carbide End Mill Alloy Tungsten Steel Milling Cutter EndMills CNC machine end mills
Aliexpress UK
We will always help you to have a 100% positive happy buying experience. Hand Tools. Spindle Speed: 60 – 4000 RPM. 48” x 10” Table.
eBay
Woodworking Tools Router Base Power Tool Parts Dust Cover Trimming Machine Base High Quality Aluminum Alloy Milling Cutter Base
Aliexpress UK