Spiral point tap with chamfer form B with a 3.5-5xP second lead, for British Standard Whitworth thread BSW 5/32" with 32 TPI and Medium class of fit, dimensions according to ISO 529 standard with 4.0mm shank and 3.15mm square drive, HSS with steam tempered surface finish for 2.5xD through hole threading in 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
K - Cast Iron(castings of iron and carbon alloys with > 2% carbon content) - Possible use
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