Precision Engineered Micro Turning Tool for Professional Machining
Ultra-Durable Tungsten Steel MTR 3 Tip ensures extended cutting life and superior wear resistance for high-precision operations. The hardened stainless steel body provides stability during micro-turning, reducing vibration for flawless finishes on delicate components.
Perfect for intricate inner hole boring in watchmaking, medical instruments, and miniature engine parts. Its compact diameter accesses tight spaces unreachable by standard tools, ideal for lathe work requiring sub-millimeter accuracy.
Heat-treated alloy construction prevents deformation under continuous use, while the ergonomic tool holder design allows quick bit changes without recalibration. Delivers mirror-smooth surfaces on brass, aluminum, and hardened plastics with minimal chatter.
Optimized for CNC and manual bench lathes in aerospace prototyping and jewelry manufacturing. Includes anti-rust coating for workshop humidity resistance. Ships factory-prepped with edge-ready sharpness for immediate use in production environments.


















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yal***
Size:MTR;Model Number:Micro boring bar;
$132.12
27 days ago
ppq***
Size:MTR;Model Number:Micro boring bar;
$117.44
13 days ago
zqc***
Size:MGR;Model Number:Micro boring bar;
$105.43
31 days ago
rsp***
Size:MGR;Model Number:Micro boring bar;
$32.44
35 days ago
spg***
Size:MNR;Model Number:Micro boring bar;
$114.4
17 days ago
dvu***
Size:MNR;Model Number:Micro boring bar;
$149.6
25 days ago
rjd***
Size:MQR;Model Number:Micro boring bar;
$29.92
32 days ago
czg***
Size:MQR;Model Number:Micro boring bar;
$29.92
17 days ago
qxq***
Size:MFR;Model Number:Micro boring bar;
$148.50
44 days ago
lcq***
Size:MFR;Model Number:Micro boring bar;
$99.00
21 days ago
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Customer Reviews

Small Diameter Stainless Steel Boring Tool with Tungsten Steel MTR 3 Micro Turning Tool Inner Hole Tool Holder
$5.1$7.34-30.52%
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MNR
MQR
MTR
MGR
MFR
Model Number:
Micro boring bar
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