Bordo BA Bottoming HSS Hand and Machine Tap - 3044 Engineers Squares ▲Reduced crack sensitivity: for reliable

▲Reduced crack sensitivity: for reliable fusion on cast and fabricated aluminium

◆Relief Fittings are used on gearbox housings & bearings

polypropylene & fibre glass

5 consistency

●Size range 1/2" to 7/16"

Bordo BA Bottoming HSS Hand and Machine Tap - 3044 Engineers Squares ▲Reduced crack sensitivity: for reliableHSS BA Bottoming Hand and Machine Tap Like the Whitworth thread, it has a rounded root and crest British Association in 1884 the British Association for the Advancement of Science adopted a thread form and series, primarily for use in precision equipment It was inspired by one used in the Swiss watch and clock industry, and was formerly sometimes called the Swiss Small Screw Thread System; but is now just referred to as the BA series. Manufactured