BT50 NT50 SK50 CAT50 MT5 Shank NBJ16 Micro Boring Head Set – Precision Machining Redefined
Ultra-Precise Micro Boring: Engineered with high-grade alloy steel for exceptional rigidity and minimal runout, ensuring micron-level accuracy in fine boring operations.
Multi-Shank Compatibility: Seamlessly fits BT50, NT50, SK50, CAT50, and MT5 spindle interfaces—ideal for CNC machining centers, lathes, and milling workshops requiring quick tool changes.
Premium Balance & Finish: Hardened and ground surfaces with anti-vibration design reduce chatter marks, delivering mirror-quality finishes on aerospace, automotive, or mold-making components.
Modular Versatility: NBJ16 head accepts interchangeable boring bars (sold separately), perfect for jig boring, internal threading, or tapered hole finishing in tight tolerances.
Industrial-Grade Durability: Tungsten carbide-tipped set screws and double-locking mechanism prevent slippage even under heavy-duty cutting loads.
Global Wholesale Advantage: Direct factory pricing with bulk discounts—stock up for your machine shop without compromising on precision tooling standards.






Recent Purchase
jia***
Model Number:NBJ16-BT50-8pcs;
$3768.16
21 days ago
uyo***
Model Number:NBJ16-NT50-8pcs;
$3172.19
19 hours ago
vwl***
Model Number:NBJ16-SK50-8pcs;
$4054.68
42 days ago
iyd***
Model Number:NBJ16-CAT50-8pcs;
$3801.42
29 days ago
wns***
Model Number:NBJ16-C32-8pcs;
$3177.24
21 days ago
upy***
Model Number:NBJ16-MT5-8pcs;
$740.02
31 days ago
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Boring Tool BT50 NT50 SK50 CAT50 MT5 Shank NBJ16 Micro Boring Head Set
$290$370.01-21.62%
Model Number:
NBJ16-SK50-8pcs
NBJ16-BT50-8pcs
NBJ16-MT5-8pcs
NBJ16-NT50-8pcs
NBJ16-CAT50-8pcs
NBJ16-C32-8pcs
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