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This 5/16" diameter indexable boring bar uses CCMT inserts. The boring bar is 4" long. The minimum boring diameter is 0.437". Use CCMT 21.51 or CCMT 21.52 inserts with this boring bar. This boring bar does not come with an insert. You must purchase inserts separately.
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We currently ship within the US, with more countries coming soon.
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🇺🇸 Ship from USA · On Agora since 2026
$39.95