OSG Jobber Drill HSS-E - For Stainless Steels, Steels and Ali - EX-SUS-GDR-4.28mm Tiny Tool Inserts 2 for Durable Edges: The

2 for Durable Edges: The corner radius helps preserve sharp

This hand reamer is designed to finish bored holes with tight ISO H5 tolerances

helping reduce downtime and minimize rework in QC and manufacturing workflows

this reamer is suitable for finishing operations where tight tolerances and reliable wear performance are required

Left-hand flute with right-hand cutting: Optimized flute and cutting direction improve chip control and cutting efficiency across a range of materials

OSG Jobber Drill HSS-E - For Stainless Steels, Steels and Ali - EX-SUS-GDR-4.28mm Tiny Tool Inserts 2 for Durable Edges: TheThe OSG Jobber Drill HSS E in 4. 28 mm diameter is a versatile drill bit designed to handle stainless steels, general steels, and aluminum with consistent, reliable results. Built with High Speed Steel E (HSS E), it delivers strong cutting performance and extended tool life for both professional shops and DIY projects. Its precision ground geometry delivers clean, true holes with minimal burrs, helping you finish assemblies faster and with repeatable