Key Features

• American Unified National Standard, 60°
• Have very useful scale for finding the number of threads per inch
• Made of spring-tempered steel
• Satin Chrome Finish
• Measurement Graduations: 1/24 inches, 1/32 inches

Product Description

681-51475 Features: -Center gauge.-Made of spring-tempered steel.-Extremely handy for use in grinding and setting screw cutting tools.-Very useful for finding number of threads per inch through graduations in 14ths, 20ths, 24ths and 32nds of an inch.-Gage also has a table of double depths of threads for determining size of tap drills.-Ground gagging surfaces.-Number of threads per inch scale.-American Unified National Standard, 60. Color/Finish: -Satin chrome finish.