The essentials, clearly
In a nutshell
Carbide insert sold as a single replacement piece for JCD Crown U drills, described for deep-hole drilling with claimed high precision and efficiency.
AliExpress Selected deal
HCD Carbide Insert for JCD Crown Deep Hole Drill
Updated on October 16, 2026
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Key details
- Carbide insert
- Compatible with JCD Crown U drill (replacement part)
- Pack size: 1pcs
- Intended for deep-hole drilling (3D / 5D / 8D / 10D as listed)
- Vendor description includes 'high precision' and 'efficiency'
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