R8 Shank End Mill Holder For Bridgeport Milling Cutter Adapter 1 Inch Bore, Drawbar Thread Seven Sixteen, Precision Ground And Heat Treated, Heavy Duty Steel Forgings, 2.6 Lb Weight, Fits 1 Inch End Mills

End Mill Holder with R8 Shank for Bridgeport, 1 in bore
✔️ Pack 1: R8 shank holder, 1 in bore, 7/16-20 drawbar

This end mill holder is a precision adapter designed to clamp 1 inch end mills in Bridgeport-style milling machines and CNC mills. It’s built from heavy-duty steel forgings and features precision-ground concentric bore and shank for tight tolerance and long life. The 7/16-20 drawbar thread lets you confidently secure tooling during heavy cuts, while the 1 inch bore ensures compatibility with standard 1 inch end mills.

✅ End Mill Holder Type: R8 shank Bridgeport adapter
✅ Bore: 1 inch; End Mill Adapter: 1 inch
✅ Drawbar Thread: 7/16-20; Weight: ~2.6 lb
✅ Material: Heavy-duty steel forging; Heat treated for double accuracy
✅ Precision Ground Concentric Bore & Shank

💡 What is an end mill holder used for in milling machines with R8 shank?

End mill holders secure cutters in the spindle, improving rigidity and accuracy in milling operations across Bridgeport machines and CNC mills.

- They keep the end mill aligned and prevent slipping in heavy cuts - They work with 1 inch end mills and standard 7/16-20 drawbars - They simplify tool changes while maintaining repeatable results