Description
Time-Sert 4700BS Universal Head Bolt Kit, M12x1.25 Big Sert
TIME-SERT 4700 BS Metric Head Bolt Thread Kit 12x1.25 Oversize
This BS (Big Sert) kit which has an oversize outside diameter is commonly used when Heli-Coil or similar type thread repairs have failed.
10 Inserts are included - PN 52125. .
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