E545BA10 BA Machine Tap Spiral Point

Spiral point tap with chamfer form B with a 3.5-5xP second lead, for British Association thread BA 10 with 0.35 mm pitch and Normal class of fit, dimensions according to ISO 529 standard with 2.5mm shank and 2.0mm square drive, HSS with steam tempered surface finish for 2.5xD through hole threading in plain carbon and alloy steel and ferritic and austenitic stainless steel