OSG Threading Tap - Metric Spiral Flute HSS-E - Steam Oxide Coated - Blind Hole - M4.5 x 0.75 ISO Insert - SC Style Its bottom lead geometry is

Its bottom lead geometry is purpose-built to reach near the bottom of blind holes

ER25 compatibility for imperial tooling: fits standard ER25 chucks

precise holes with every drill: Advanced cutting geometry keeps the bit tracking true

repeatable bore quality in demanding metalworking projects

reducing replacement frequency and supporting consistent bore quality

OSG Threading Tap - Metric Spiral Flute HSS-E - Steam Oxide Coated - Blind Hole - M4.5 x 0.75 ISO Insert - SC Style Its bottom lead geometry isThe OSG Metric Spiral Flute Threading Tap is built for professionals who need reliable, precise threads in blind holes. Crafted from HSS E with cobalt and finished in steam oxide, it delivers durability and heat resistance for demanding tapping tasks. Thread Size: M4. 5 x 0. 75, a precise metric size tailored for blind hole applications. Material & Coating: HSSE (high speed steel with cobalt) with a steam oxide coating for improved wear resistance and