5pcs HSS-AL Counterbore Set M3-M8 for Aluminum Steel Copper Cast Iron

Description

Product Overview

This 5-piece counterbore set from POWLAB is crafted with high-speed steel alloy for superior durability and performance. Each tool features a straight shank design, flat end, and non-center cutting geometry to ensure smooth operation in milling machines. The set includes sizes M3, M4, M5, M6, and M8, making it versatile for various industrial applications. With 4 flutes per cutter and an unfinished finish, these tools are engineered for high-speed cutting of copper, aluminum, steel, and cast iron materials. Ideal for mold makers, machinists, and manufacturers seeking precision and efficiency.

Usage

These counterbores are designed for use in milling machines across industrial workshops, fabrication shops, and manufacturing facilities. They’re particularly useful when machining aluminum, steel, copper, or cast iron parts where precision countersinking is required. The non-center cutting design reduces tool wear during extended operations while maintaining consistent cut quality. Suitable for both small-scale prototyping and large production runs, this set helps reduce downtime by minimizing the need to change tools frequently.

Why Choose Us

POWLAB’s counterbore set delivers exceptional value through its high-toughness alloy steel construction, which resists abrasion and maintains cutting performance even under heavy loads. The 4-flute design ensures efficient chip removal while reducing heat buildup during operation. Each tool is manufactured with precision to ensure consistent fit and finish across all sizes. With a customer rating of 4.2 out of 5 stars based on 63 reviews, this set has proven its reliability in real-world applications. Additionally, POWLAB offers dependable after-sales support for any technical inquiries or replacement needs.

Key Features

• High-speed steel alloy construction ensures durability and resistance to wear during heavy-duty cutting.
• Flat end design with non-center cut geometry provides smooth, accurate countersinking in various metals.
• Five sizes (M3-M8) included for versatile use across different machining applications without frequent tool changes.
• Straight shank design ensures secure mounting and stable performance on milling machines.
• Manufactured with precision to deliver consistent cut quality, backed by POWLAB’s reliable customer support.

FAQ

What materials can this counterbore set cut?

This set is designed for cutting copper, aluminum, steel, and cast iron. The high-speed steel alloy ensures durability across these materials while maintaining precision.

How many pieces are included in the set?

The set includes five counterbores: M3, M4, M5, M6, and M8. This range covers most common industrial milling requirements.

Is this tool suitable for use on a milling machine?

Yes, these tools are specifically designed to be mounted on milling machines. The straight shank design ensures secure attachment and stable cutting performance.

What is the helix angle of these counterbores?

The helix angle is 30 degrees, which helps with chip evacuation and reduces tool vibration during operation.

Does this set come with any warranty or support?

POWLAB provides reliable customer support for technical questions. While no explicit warranty is mentioned in the product details, users can contact POWLAB for assistance if needed.