Union Butterfield® Chucking Reamer, Series: 4535, 9/64 in Dia, 4 in Overall Length, Round/Straight Shank, 0.135 in Shank Dia, 4 Flutes, Spiral Flute, 1 in Flute Length, HSS, Bright, Right Hand Cutting, Applicable Materials: Ferrous and Non-Ferrous Metal

• High speed steel provides good wear resistance and can be used in general purpose applications
• Spiral flute reamers are used in blind and through hole operations
• They are used to bridge interrupted cuts
• Cuts with a smoother, chatter free action than straight flute reamers
• Recommended for more difficult to ream materials, better surface finish requirements, applications with an interruption and to aid in chip evacuation in blind holes

• https://externalassets.unilogcorp.com/ASSETS/DOCUMENTS/ITEMS/EN/Union_Butterfield_5010082_Catalog.pdf https://externalassets.unilogcorp.com/ASSETS/DOCUMENTS/ITEMS/EN/Union_Butterfield_5010082_Catalog.pdf