Premium Small-Diameter Stainless Steel Boring Tool Bar
Crafted from high-grade tungsten steel alloy for extreme durability and precision machining. Mirror-polished stainless steel shank resists corrosion and ensures smooth operation. Ultra-fine 0.1mm tolerance guarantees flawless inner hole finishing.
Perfect for
aerospace components, medical instruments, and micro-engine parts requiring sub-millimeter accuracy. Heat-treated core maintains sharpness even under high-speed drilling.
Exclusive bulk pricing
for industrial buyers—up to 40% below retail. Global shipping with guaranteed lowest wholesale rates. Custom alloy blends available for specialized forming tasks.