Metric Cap Screw Counterbore Set 7pcs CME 3mm-12mm 510-MM

Description

Product Overview

The CME 7‑piece Metric Cap Screw Counterbore Set is engineered to meet the demanding requirements of modern manufacturing, maintenance, and repair environments. Each counterbore bit is precision‑machined from high‑grade alloy steel, providing exceptional rigidity and wear resistance that ensures consistent performance over thousands of cycles. The set spans metric sizes from 3 mm up to 12 mm, covering the most common cap screw diameters used in electronics, automotive, aerospace, and general industrial applications. The ergonomic design of each bit includes a smooth shank that fits standard 1/4‑inch and 3/8‑inch drill chucks, allowing seamless integration with existing power tools. With a total weight of just 2 pounds, the set is lightweight enough for handheld use yet robust enough to handle demanding machining tasks. The included bits are labeled with their respective sizes for quick identification, reducing setup time and minimizing the risk of errors on the shop floor.

Usage

This counterbore set excels in a variety of real‑world scenarios. In electronics assembly, technicians rely on the precise 3 mm to 5 mm bits to create clean recesses for miniature cap screws, ensuring a flush finish that protects delicate components from vibration and environmental exposure. Automotive technicians benefit from the larger 8 mm to 12 mm bits when preparing engine bays, chassis brackets, and interior panels, where a well‑finished counterbore improves both aesthetics and functional integrity. The set is also ideal for general machinery maintenance, allowing engineers to retrofit existing equipment with cap‑screw fasteners for easier disassembly and reassembly. Because the bits are compatible with both corded and cordless drill systems, users can operate in confined spaces, on production lines, or in field service situations without sacrificing accuracy or speed.

Why Choose Us

Choosing the CME Metric Cap Screw Counterbore Set means selecting a product backed by decades of expertise in cutting‑tool technology. CME adheres to rigorous quality‑control standards, performing multiple inspections throughout the manufacturing process to guarantee dimensional accuracy within ±0.02 mm. The alloy steel composition is heat‑treated to achieve a Rockwell hardness of 58‑62, delivering a balance of toughness and edge retention that outperforms many competing sets. CME also provides a limited lifetime warranty, reflecting confidence in the durability of each component. In addition, our dedicated technical support team is available to assist with tool selection, usage tips, and troubleshooting, ensuring that customers receive the full value of their investment throughout the product’s lifecycle.

Key Features

• Complete metric range from 3 mm to 12 mm eliminates the need for multiple tool purchases.
• High‑grade alloy steel construction provides long‑lasting durability and resistance to wear.
• Precision‑machined tips deliver clean, burr‑free holes that reduce re‑work and improve assembly quality.
• Ergonomic shank design fits standard 1/4‑inch and 3/8‑inch drill chucks for versatile tool compatibility.
• Comprehensive after‑sales support and lifetime warranty ensure confidence and peace of mind.

FAQ

What sizes are included in the set?

The set contains seven counterbore bits covering metric diameters of 3 mm, 4 mm, 5 mm, 6 mm, 8 mm, 10 mm, and 12 mm.

Can these bits be used with a cordless drill?

Yes, the shank dimensions are compatible with both corded and cordless drills that accept 1/4‑inch or 3/8‑inch chucks, making them suitable for portable and on‑site applications.

Is the set suitable for high‑speed machining?

While the bits are designed for general purpose counterboring, they perform well at typical machining speeds up to 2,500 RPM. For high‑speed applications, ensure proper cooling and use appropriate feed rates.

What warranty does CME provide?

CME offers a limited lifetime warranty covering manufacturing defects, backed by responsive technical support to address any performance concerns.

How do I maintain the counterbore bits?

After each use, clean the bits with a solvent to remove chips and debris, then apply a light coat of machine oil to prevent corrosion. Store the set in a dry environment to maintain optimal performance.