OSG Threading Tap - BSF Spiral Flute HSS-E - Steam Oxide Coated - Blind Hole - 3/8 x 20 ISO Insert - VN Style Material versatility: General-purpose threading capable

Material versatility: General-purpose threading capable of machining a wide range of materials

Manufacture: Manufactured to order — despatch within 24–48 hours

Coating: AcuRea — hard surface multi-layer nano chrome coating

This full-tipped center uses a carbide tip for extended wear life and dependable performance with hard or demanding workpieces

Long-length design for deep cavities: The 20 mm flute length and 70 mm overall length provide extended reach for molds and dies

OSG Threading Tap - BSF Spiral Flute HSS-E - Steam Oxide Coated - Blind Hole - 3/8 x 20 ISO Insert - VN Style Material versatility: General-purpose threading capableThe OSG BSF Spiral Flute Threading Tap in 3 8 20 BSF is built for precise blind hole threading, delivering clean, accurate threads in demanding metalwork. Its an essential tool for machinists and fabricators who need dependable performance in fixtures, brackets, and assemblies. Thread size: 3 8 20 BSF (British Standard Fine) for compact, fine pitch threads in blind holes Material: HSSE (high speed steel with cobalt) for enhanced hardness and heat