"BX" type corebit. 2.365 ins. diam. 2 3/4" long
- Made:
- 1976
"BX" type corebit. 2.365 ins. diam. 2 3/4" long. This diamond tipped drill bit is used for taking core samples when drilling for oil or gas. Materials of construction are: mild steel, tungsten powder, brass infiltrant, diamonds.