Types and Uses - 14256

Chapter 12 Scribers

Using a Machinist's Scriber - Continued

Tools And Their Uses - Hand tools and what they are used for
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TM 9-243 TYPES AND USES MACHINIST’S SCRIBERS The machinist’s scriber is used to mark or score on steel, glass, aluminum, copper or similar surfaces. There are two basic types of machinist’s scribers, single point pocket (1) and bent point-straight point (2). Tungsten carbide tips have extremely hard points and are used on hardened steel or glass. The bent point is used to scribe through holes or other hard to reach places. USING A MACHINIST’S SCRIBER NOTE The following procedure for scribing an alignment mark on a telescope is not the only use of a scriber. 1 Place material to be marked on a firm surface. Place a steel rule or straight edge (1) on the work beside the line to be scribed. 2 Use finger tips of one hand to hold the straight edge securely. Hold the scriber in your hand as you would a pencil. 1 2 - 2

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