Bordo Left Hand BSF Intermediate HSS Hand Tap - 3088 Coupling Pins Manufactured in Seco grade TP40

Manufactured in Seco grade TP40 for the rated workpiece material range

Size is 15" (375 mm)

The B-2551 material is a thick polyester tagstock material

As a flat face flange (category-derived) on PN35 piping

Bordo Left Hand BSF Intermediate HSS Hand Tap - 3088 Coupling Pins Manufactured in Seco grade TP40HSS BSF LEFT HAND Intermediate Hand and Machine Tap British Standard Fine thread form was based upon the British Standard Whitworth (BSW) but has a finer thread (more threads per inch for a given diameter) Fine threads are also used where the length of engagement is limited or where wall thickness demands a fine pitch Fine series threads will resist stripping out better than coarse threads in areas where the external and mating internal threads are