OSG Stub Drill HSS-E - For Stainless Steels, Steels and Ali - EX-SUS-GDS-3.59mm Solid while the internal coolant channel

while the internal coolant channel enhances cooling and chip evacuation during deep-hole drilling

Left-hand spiral flute with right-hand cutting: enables efficient chip removal and stable bore sizing for repeatable results

Its long flute length (8-12x the diameter) lets you drill deep into tight spaces

The JBO Thread Plug Gauge is a precision go-no/go tool crafted to reliably verify internal threads in metric sizes

maintains cutting performance

OSG Stub Drill HSS-E - For Stainless Steels, Steels and Ali - EX-SUS-GDS-3.59mm Solid while the internal coolant channelThe OSG Stub Drill HSS E is a compact, highperformance drill bit designed for tough materials. Crafted from High Speed SteelE (HSSE), it delivers reliable cutting in stainless steels, general steels, and lightweight aluminum, making it a versatile tool for professionals, fabricators, and DIY enthusiasts alike. Precision edge geometry for clean holes: The cutting edge and flute design work together to produce accurate hole diameters with minimal burr