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Title: "BX" type corebit. 2.365 ins. diam. 2 3/4" long. This diamon [Go to resource]
Description: "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. License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: drilling bit Temporal: 1976 Source: Science Museum Identifier: 1976-65 Go to resource More Like this...
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