Union Butterfield® Hand Reamer, Series: 4500, 5/32 in Diameter, 3-1/4 in Overall Length, Straight Shank, 6 Flutes, Straight Flute, 1-5/8 in Flute Length, HSS, Bright, Right Hand Cutting Direction

• Standard reamers are constructed with a fixed diameter
• They are used only for holes that have a diameter equal to the reamer
• Straight flute reamers are the most common and are used in general purpose though-hole applications
• They are used for reaming holes without interrupted cuts
• Widely used by hand for the final sizing of drilled holes
• The square on the shank allows it to be held in either a tap wrench or a vise depending on whether it is the reamer or the part that is rotating
• A long starting taper allows for ease of entry and accurate alignment
• Square drive

• https://externalassets.unilogcorp.com/ASSETS/DOCUMENTS/ITEMS/EN/Union_Butterfield_5010928_Catalog.pdf https://externalassets.unilogcorp.com/ASSETS/DOCUMENTS/ITEMS/EN/Union_Butterfield_5010928_Catalog.pdf