OSG Threading Tap - BSF Spiral Flute HSS-E - Steam Oxide Coated - Blind Hole - 5/16 x 22 MDM Reducer Left-hand spiral flute + right-hand

Left-hand spiral flute + right-hand cutting: Optimizes chip evacuation and delivers a controlled

The combination of left-hand spiral flutes and right-hand cutting supports controlled material removal and smoother finishes in manual reaming applications

Applications: Suitable for precision hole enlarging and finishing across ferrous and non-ferrous materials

it’s built to deliver predictable

reducing replacement needs and maintaining tight hole diameters over multiple cycles

OSG Threading Tap - BSF Spiral Flute HSS-E - Steam Oxide Coated - Blind Hole - 5/16 x 22 MDM Reducer Left-hand spiral flute + right-handAchieve precise, durable BSF threads in blind holes with the OSG BSF Spiral Flute Threading Tap. Built for professional workshops and demanding machining tasks, it delivers high quality threads and extended tool life. Thread size and type: 5 16 22 BSF (British Standard Fine) threading tap optimized for blind hole applications Material: HSSE (high speed steel with cobalt) for enhanced hardness and heat resistance Coating: Steam Oxide finish to improve