Measure Thread Pitch from 4-80 Thread Triangles

KAR Thread Triangles, Attach to Micrometer, Measure Thread Pitch from 4-80

Features:

• Thread triangles quickly measure pitch diameter of all 60º threads from 4 to 80 pitch, standard and special
• Instantly classifies thread as 2, 2a, 3a
• No complicated formulas to figure. For any standard thread refer directly to chart (chart included). For special threads just add two numbers
• Convenient neoprene holders, fit any brand of micrometer spindle
• Thread triangles nest well into the “V” of the thread instead of just making point contact