How to choose micro drill bits for PCB work in India?

For PCB work in India, choose micro drill bits with a precise cutting edge diameter like 0.5mm and a standard 1/8" shank for compatibility with common CNC and engraving machines. Tungsten Carbide offers superior hardness and wear resistance, crucial for clean drilling on delicate circuit boards and acrylics. Ensure the bits are sourced from authorized US retailers for guaranteed quality and performance.

What is the difference between top bearing and bottom bearing flush trim router bits?

Top bearing bits have the guide bearing mounted near the shank, making them suitable for template work where the master pattern is clamped on top of the workpiece. Bottom bearing bits have the guide bearing at the tip, which is ideal for trimming laminates, veneer, or copying templates positioned below the material.

Can 1/4-inch shank micro drill bits be used with metric collets in India?

A 1/4-inch (3.175 mm) shank requires a dedicated 1/4-inch collet and will not safely fit into a standard 6 mm collet without replacing the collet cone or using an appropriate precision collet reducer sleeve. Ensure your machine's collet matches the bit's shank size for optimal stability and accuracy.

Are CoCud micro drill bits suitable for Indian CNC machines?

Yes, CoCud micro drill bits are designed for CNC machines and high-precision drilling equipment. Their 1/8" shank and Tungsten Carbide construction ensure compatibility and performance with standard CNC setups. Control your CNC speed and feed rate for optimal results, especially when working with dense Indian hardwoods or delicate materials.

How to buy original CoCud micro drill bits in India?

To buy original CoCud micro drill bits in India, purchase from authorized US retailers and authorized brand partners like CrowCrowCrow. These bits are imported per order, factory-sealed, and include all customs duties and GST. Delivery is via ExpressBox tracked service, ensuring you receive authentic, high-quality tools.

CoCud Micro PCB Drill Bits 0.5mm 20-Piece Set | Tungsten Carbide for PCB, Acrylic, Metal

Name: CoCud Micro PCB Drill Bits 0.5mm Cutting Edge 38mm Length | 20-Piece Set with 1/8" Shank
Brand: CoCud
SKU: qry6337
Price: 2207.00 INR
Availability: InStock

About this item

CoCud Micro PCB Drill Bits provide precision drilling for intricate projects. This 20-piece set features 0.5mm Tungsten Carbide cutting edges and a 1/8" shank, designed for high-speed CNC and engraving machines. Imported from authorized US retailers, these bits offer superior hardness and wear resistance for clean, accurate results on PCBs, acrylics, plastics, aluminium, soft metals, fiberglass, and wood. All customs duties and GST are included in the price, with delivery via ExpressBox tracked service arriving in 25-36 days.

These bits excel due to their sharp cutting edge, ensuring smooth drilling with low cutting force and minimal heat. The Tungsten Carbide material provides excellent toughness and resistance to bending, allowing for high work efficiency. The design includes a large chip removal space for efficient material evacuation and a positioning ring to reduce machine set-up time, enhancing overall productivity for hobbyists and professionals alike.

Compared to generic drill bits, CoCud's micro bits offer enhanced accuracy and durability for delicate tasks. While local alternatives may vary in material quality and precision, this set is sourced from authorized US partners. The 20-piece count ensures you have spares for extended projects. For optimal performance, control CNC speed and reduce feed rate for longer tool life.

Key Features

PCB Drill Bits Size --- Cutting edge diameter (CED): 0.5mm / 0.02"; cutting edge length: 7mm / 0.276"; shank diameter: 3.175mm / 1/8"; overall length: 38mm / 1-1/2".
Wide Applications --- Widely used for drilling PCB (print circuit board), acrylic, plastics, aluminium, soft metal, fiberglass, wood, etc. Suitable for PCB drilling machines, engraving machines, CNC and high precision special drilling equipment.
Sharp Cutting Edge --- Sharp cutting edge provides smooth drilling, low cutting force and drilling accuracy to prevent tool breakage. Large chip removal space, smooth chip removal, and low drilling heat.
Tungsten Carbide --- Tungsten carbide tip has high hardness, good toughness, wear resistance, high strength, resistance to bending and heat resistance, providing a precise and easy experience.
Useful Tips --- The mini drill bit is too tiny and easily twisted off. Be careful and control your CNC speed. The longer the chuck clamps, the better. The positioning ring reduces machine set-up time and increase efficiency.

Why choose this product

Precision Engineering for Intricate Work

These CoCud micro drill bits are engineered for precision. The 0.5mm Tungsten Carbide cutting edge, combined with a 1/8" shank, delivers exceptional accuracy on PCBs, acrylics, and soft metals. Unlike generic bits, they maintain sharpness and prevent breakage, ensuring clean, efficient drilling for detailed projects. Imported from authorized US retailers, they represent a commitment to quality and performance for discerning users.

Ideal for Hobbyists & Professionals

Perfect for electronics enthusiasts, CNC operators, and woodworkers needing fine detail. Use for drilling PCBs, engraving acrylics, or shaping soft metals. Skip if you require bits for very hard metals or heavy-duty industrial applications where larger shank sizes or specialized carbide grades are necessary.

How to use

Select and Mount Bit — Choose the appropriate 0.5mm CoCud micro drill bit. Securely insert the 1/8" shank into your CNC machine's collet or drill chuck, ensuring it is clamped firmly for stability and to prevent vibration.
Set CNC Speed and Feed Rate — For optimal results, control your CNC speed and feed rate carefully. If the clamping length is short, reduce the feed rate and cutting speed to minimize vibration and extend the bit's lifespan.
Drill with Precision — Drill vertically into your material (PCB, acrylic, soft metal, etc.). The sharp cutting edge and large chip removal space will ensure smooth drilling, low cutting force, and high accuracy, preventing tool breakage.

Example scenarios

Typical situations where CoCud Micro PCB Drill Bits 0.5mm Cutting Edge 38mm Length | 20-Piece Set with 1/8" Shank helps — illustrative scenarios, not customer reviews.

Scenario 1

Illustrative example

Where it helps

A hobbyist in Bangalore needs to drill precise holes for a custom electronics project on a PCB.

How this product helps

The CoCud 0.5mm micro drill bits ensure clean, accurate holes without damaging the delicate PCB traces. The Tungsten Carbide edge provides durability for multiple projects, and the 20-piece set offers value for frequent use.

Scenario 2

Illustrative example

Where it helps

A small workshop in Delhi requires bits for engraving acrylic signs with a CNC machine.

How this product helps

These bits offer smooth engraving on acrylic due to their sharp cutting edge and low heat generation. The 1/8" shank is standard for many CNC machines, and the Tungsten Carbide material ensures consistent results and a longer tool life, reducing downtime.

Specifications & installation

Specifications

Cutting Edge Material	Tungsten Carbide
Shank Material	High Speed Steel (HSS)

Installation & usage

Applications	PCB, acrylic, plastics, aluminium, soft metal, fiberglass, wood
Machine Compatibility	PCB drilling machines, engraving machines, CNC, high precision special drilling equipment
Recommended Use	Use vertically, control CNC speed well, reduce feed rate and cutting speed if clamping length is short to reduce vibration.
Cost per use	20 bits at ₹2,207 — ₹110 per bit
Shelf life after opening	12 months (category default for tools)
Reapplication math	N/A for tools
Contraindications	Not for hard metals or heavy-duty industrial applications.
Allergens / common irritants	N/A

How we compare

Feature	CoCud Micro PCB	Others
Cutting Edge Material	Tungsten Carbide for high hardness, toughness, and wear resistance.	Varies; may include High-Speed Steel (HSS) or lower-grade carbide, potentially offering less durability and precision.
Precision & Accuracy	0.5mm cutting edge with smooth drilling, low cutting force, and high accuracy to prevent breakage.	Precision can vary significantly; local bits may have less consistent cutting edge diameter and sharpness, leading to rougher holes.
Durability & Tool Life	Tungsten Carbide runs at higher speeds, offering superior wear resistance and extended tool life compared to HSS.	Local bits may wear faster, especially on abrasive materials like fiberglass or dense woods, requiring more frequent replacement.
Cost per bit	20 bits at ₹2,207 — ₹110 per bit	Local 0.5mm PCB drill bits can range from ₹50-₹150 per bit depending on brand and quality.
Application Suitability

SKU	qry6337
Brand	CoCud
Cutting Edge Diameter	0.5 mm (0.02 inches)
Cutting Edge Length	7 mm (0.276 inches)
Shank Diameter	3.175 mm (1/8 inches)
Overall Length	38 mm (1-1/2 inches)
Shank Material	High Speed Steel (HSS)
Cutting Edge Material	Tungsten Carbide
Number of Pieces	20
Finish Type	Uncoated
Color	Brown
Country of Origin	Not stated by manufacturer — US retail version, sourced from authorized US retailers and authorized brand partners

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CoCud Micro PCB Drill Bits 0.5mm Cutting Edge 38mm Length | 20-Piece Set with 1/8" Shank

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