OSG Threading Tap - BSW Spiral Flute HSS-E - Steam Oxide Coated - Blind Hole - 5/16 x 18 Boring Bar Blank This intermediate-precision reamer from Toolex

This intermediate-precision reamer from Toolex Ltd combines a left-hand spiral flute with right-hand cutting to deliver consistent bore quality in metalworking projects

Flute Count: 1 flute for efficient chip evacuation and lighter cutting forces

this reamer helps you finish jobs in fewer passes

this end mill helps you deliver accurate parts faster with minimal downtime

razor-sharp edges and a durable BXC coating

OSG Threading Tap - BSW Spiral Flute HSS-E - Steam Oxide Coated - Blind Hole - 5/16 x 18 Boring Bar Blank This intermediate-precision reamer from ToolexThe OSG BSW Spiral Flute Threading Tap in HSS E with Steam Oxide coating is a precision tool designed for professionals who need reliable blind hole threading. Built for durability and accuracy, it delivers consistent internal threads in metal parts with demanding tolerances. Size & Thread: 5 16" diameter, 18 threads per inch (BSW) for standard blind hole threading. Material: HSS E (high speed steel with cobalt) for enhanced wear resistance and heat