Micro Drill Bits 10 Pcs 0.7mm Tungsten Steel Carbide Set by Unifizz

Description

Product Overview

The Unifizz 10‑piece micro drill bit collection is engineered for high‑precision applications where size, strength, and durability are paramount. Each bit features a 0.7 mm cutting diameter crafted from premium tungsten steel carbide, a material renowned for its exceptional hardness and wear resistance. The 3.175 mm shank provides a secure fit in standard drill chucks, minimizing wobble and ensuring consistent torque transfer. Designed with a generous chip discharge channel, the bits efficiently evacuate debris, reducing friction and heat buildup during operation. This thoughtful geometry not only extends tool life but also delivers cleaner, more accurate holes across a variety of substrates, including hardened metals, printed circuit boards, and delicate aerospace alloys. The set includes a range of diameters from 0.5 mm to 2.5 mm, offering flexibility for intricate work while maintaining uniform performance.

Usage

These micro drill bits excel in environments where precision and reliability are non‑negotiable. In electronics manufacturing, they enable the creation of fine vias and component mounting holes on densely packed PCBs without causing delamination or pad damage. In aerospace maintenance, the bits facilitate the drilling of lightweight alloy panels for sensor installation, where maintaining structural integrity is critical. Metalworking professionals appreciate the ability to bore tiny clearance holes in hardened steel shafts, gears, and valve components, achieving tolerances that standard drills cannot meet. Hobbyists and makers benefit from the set’s versatility for model making, jewelry fabrication, and prototype development, where intricate detail and repeatability are essential. The ergonomic design reduces operator fatigue, making prolonged use comfortable for both industrial technicians and DIY enthusiasts.

Why Choose Us

Unifizz stands behind a rigorous quality assurance process that begins with raw material selection and ends with final product inspection. Each carbide tip undergoes a fine‑grinding procedure that sharpens the cutting edge to an optimal angle, decreasing cutting forces and minimizing the risk of bit breakage. The manufacturing process incorporates strict dimensional controls, guaranteeing that every shank conforms to a 3.175 mm standard, which ensures compatibility with a wide range of drill machines and collet systems. Our commitment to durability is reflected in the bits’ resistance to wear, allowing users to achieve thousands of holes before replacement is necessary. Additionally, Unifizz provides responsive technical support and a clear warranty policy, giving customers confidence that any concerns will be addressed promptly. By choosing this set, you invest in a tool that delivers consistent performance, reduces downtime, and supports the high standards required in professional and hobbyist settings alike.

Key Features

• Premium tungsten steel carbide tips deliver superior hardness and long‑lasting sharpness for clean, accurate holes.
• Standard 3.175 mm shank ensures universal compatibility with most drill chucks and collet systems.
• Large chip discharge space minimizes resistance, reduces heat, and prevents bit breakage during high‑speed drilling.
• Versatile diameter range from 0.5 mm to 2.5 mm covers a broad spectrum of micro‑drilling applications.
• Dedicated customer support and warranty provide peace of mind and reliable after‑sales service.

FAQ

What materials can these micro drill bits effectively drill?

They are optimized for hardened steel, aluminum alloys, copper, brass, printed circuit board substrates, and many aerospace‑grade alloys, delivering clean holes with minimal burr formation.

How do I prevent the bits from breaking during use?

Maintain proper spindle speed, use a steady feed rate, and ensure the chip evacuation channel remains clear. The carbide composition and large discharge space are designed to reduce stress and heat, further lowering breakage risk.

Are the bits compatible with standard drill presses and hand drills?

Yes, the 3.175 mm shank conforms to common drill chuck specifications, making the set suitable for bench‑top drill presses, magnetic drills, and handheld power drills.

What is the recommended storage method to preserve tip sharpness?

Store the bits in a dry, dust‑free container, preferably the original case, and avoid contact with abrasive surfaces that could dull the cutting edges.

Can I use these bits for high‑speed CNC machining?

Absolutely. Their precise geometry and carbide durability make them well‑suited for CNC spindle applications where micro‑level accuracy and repeatability are required.