Figure 2. Tapping New Threads

TM 55-1925-292-14&P

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Figure 1. Removing Old Threads

WARNING

Drilling operations produce high velocity flying debris which can become lodged

in the skin or in the eyes. All personnel working in the area must wear protective

eyewear, gloves, and long sleeves when performing drilling operations. Failure

to comply can result in serious injury to personnel.

4. Drill out the damaged threads (figure 1, item 2) using the drill bit (figure 1, item 1) selected in step 3. Chamfer

the hole with a standard countersink (82 to 100).

5. Tap new threads in the hole using the tap (figure 2, item 1) selected in step 3.

Figure 2. Tapping New Threads

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