1534NR12-24H3NO2
1534NF UNC Non-Relieved Style Tap
Ordering number: 6007435
Spiral point tap NO2 with a 4-6xP second lead, for Unified National Coarse thread UNC 12 with 24 TPI and 3B class of fit with H3 pitch diameter limits, dimensions according to ANSI standard with 0.2200" shank and 0.1650" square drive, HSS with bright finish for 2.5xD through hole threading in steel and cast steel