Carbide and HSS-E Threadforming Fluteless Taps

Thread forming tap with lube grooves NO3 with a 2-3xP semi-bottoming lead, for Unified National Coarse thread UNC 5/16” with 18 TPI and 2B class of fit with H5 pitch diameter limits, dimensions according to ANSI standard with 0.3180” shank and 0.2380” square drive, HSS with bright finish for 3xD through or blind hole threading in free machining, plain carbon and alloy steel and wrought or cast aluminium and copper or copper alloys

Thread forming tap with lube grooves NO3 with a 2-3xP semi-bottoming lead, for Unified National Coarse thread UNC 1/4” with 20 TPI and H4 pitch diameter limits, dimensions according to ANSI standard with 0.2550” shank and 0.1910” square drive, HSS with bright finish for 3xD through or blind hole threading in free machining, plain carbon and alloy steel and wrought or cast aluminium and copper or copper alloys

Thread forming tap with lube grooves NO3 with a 2-3xP semi-bottoming lead, for Unified National Coarse thread UNC 3/8” with 16 TPI and 2B class of fit with H5 pitch diameter limits, dimensions according to ANSI standard with 0.3810” shank and 0.2860” square drive, HSS with bright finish for 3xD through or blind hole threading in free machining, plain carbon and alloy steel and wrought or cast aluminium and copper or copper alloys

Thread forming tap with lube grooves NO2 with a 4-6xP plug lead, for Unified National Coarse thread UNC 3/8” with 16 TPI and 2B class of fit with H5 pitch diameter limits, dimensions according to ANSI standard with 0.3810” shank and 0.2860” square drive, HSS with bright finish for 3xD through or blind hole threading in free machining, plain carbon and alloy steel and wrought or cast aluminium and copper or copper alloys

Thread forming tap with lube grooves with a 1-2xP bottoming lead, for Unified National Coarse thread UNC 10 with 24 TPI and H4 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 or blind hole threading in free machining, plain carbon and alloy steel and wrought or cast aluminium and copper or copper alloys