Carbide and HSS Machine Taps

Spiral point tap NO2 with a 4-6xP plug lead, for Unified National Coarse thread UNC 1/4” with 20 TPI and 3B class of fit with H3 pitch diameter limits, dimensions according to ANSI standard with 0.2550” shank and 0.1910” square drive, HSS with bright finish for 2.5xD through hole threading in steel and cast steel

Spiral point tap NO2 with a 4-6xP plug lead, for Unified National Coarse thread UNC 6 with 32 TPI and 2B class of fit with H3 pitch diameter limits, dimensions according to ANSI standard with 0.1410” shank and 0.1100” square drive, HSS with bright finish for 2.5xD through hole threading in steel and cast steel

Spiral point tap with a 3-6xP plug lead, for ISO-Metric thread M4 with 0.70 mm pitch and 6H class of fit with D4 pitch diameter limits, dimensions according to ANSI standard with 0.1680” shank and 0.1310” square drive, HSS with bright finish for 2.5xD through hole threading in steel and cast steel

Spiral point tap NO2 with a 4-6xP plug lead, for Unified National Coarse thread UNC 8 with 32 TPI and 2B class of fit with H3 pitch diameter limits, dimensions according to ANSI standard with 0.1680” shank and 0.1310” square drive, HSS with bright finish for 2.5xD through hole threading in steel and cast steel

Spiral point tap NO2 with a 4-6xP plug lead, for Unified National Coarse thread UNC 5/16” with 18 TPI and 3B class of fit with H3 pitch diameter limits, dimensions according to ANSI standard with 0.3180” shank and 0.2380” square drive, HSS with bright finish for 2.5xD through hole threading in steel and cast steel

Spiral point tap NO2 with a 4-6xP plug lead, for Unified National Coarse thread UNC 10 with 24 TPI and 3B class of fit with H3 pitch diameter limits, dimensions according to ANSI standard with 0.1940” shank and 0.1520” square drive, HSS with bright finish for 2.5xD through hole threading in steel and cast steel

Straight flute tap with chamfer form C with a 2-3xP semi-bottoming lead, for National Pipe Taper thread NPT 1/8” with 27 TPI and Normal class of fit, dimensions according to ~ANSI B94.9 standard with 11.1mm shank and 8.3mm square drive, HSS with bright finish for 1.5xD through or blind hole threading in free machining and plain carbon steel and copper or copper alloys

Straight flute tap with a 2-3xP semi-bottoming lead, for National Pipe Taper thread NPT 1/4” with 18 TPI and Normal class of fit, dimensions according to ANSI standard with 0.5630” shank and 0.4210” square drive, HSS with bright finish for 2xD through or blind hole threading in alloy steel

Spiral point tap with a 3-6xP plug lead, for Unified National Coarse thread UNC 1/4” with 20 TPI and 0.005” oversize equivalent to H11 pitch diameter limits, dimensions according to ANSI standard with 0.2550” shank and 0.1910” square drive, HSS with bright finish for 2xD through hole threading in steel and cast steel

Spiral flute tap with chamfer form C with a 2-3xP semi-bottoming lead, for Unified National Fine thread UNF 1/4” with 28 TPI and 3B class of fit with H3 pitch diameter limits, dimensions according to ANSI standard with 0.2550” shank and 0.1910” square drive, powder metallurgical HSS-E with steam tempered surface finish and 45° helix angle for 2.5xD blind hole threading in general purpose applications