Amana Tool Plastic Trim Saw Blade and Arbor CNC System Option:48200 - 4 Inch Dia x 20T TCG, 0 Deg x 1/2 Shank 100% Flash Mounting Approximate size: 4 5/16" height

Approximate size: 4 5/16" height x 3 7/16" diameter at widest point

heavy-duty plate for added stability

also known as Acetal

They last much longer than general purpose end mills partly because they are coated partly because they dampen vibration which tends to break a sharp cutting edge down very quickly

Also see: Fitting M8419 - Squared Version

Amana Tool Plastic Trim Saw Blade and Arbor CNC System Option:48200 - 4 Inch Dia x 20T TCG, 0 Deg x 1/2 Shank 100% Flash Mounting Approximate size: 4 5/16" heightDesigned for trimming and grooving hard and soft plastics. 100% flash mounting. Right hand rotation cutting. Excellent for cutting: Hard & Soft Plastics Acrylonitrile Butadiene Styrene (ABS) Fomex High Impact Polystyrene (HIPS) High Pressure Laminates (HPL) Hydroxy Terminated Polyether (HTPE) Low Density Polyethylene (LDPE) LubX Polyethylene Terephthalate Glycol Modified (PETG PET G) Polyoxymethylene (POM), also known as Acetal, Polyacetal and