Spiral flute tap with chamfer form C with a 2-3xP plug lead, for British Standard Fine thread BSF 1/4" with 26 TPI and Medium class of fit, dimensions according to ISO 529 standard with 6.3mm shank and 5.0mm square drive, HSS with bright finish with steam tempering and 40° helix angle for 2xD blind hole threading in free machining, plain carbon and alloy steel
Applications:
P - Steel and cast steel(steels with alloy content ? 10% and a hardness of < 45HRC) - Primary use
M - Stainless steel(corrosion resistant steels with ? 11% chromium content) - Primary use
N - Non-ferrous metals(metals including alloys without an appreciable amount of iron) - Possible use
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