HSS 4241 Cobalt Multiple Hole 50 Sizes Step Drill Set Tools Aluminum Case. Metal Hole Cutter Core Cone Drilling Tools Set

Description

Product Overview

The HSS 4241 Cobalt Multiple Hole 50 Sizes Step Drill Set is the ultimate solution for precision drilling in metal, plastic, and wood. Crafted from high‑strength cobalt steel, each drill bit delivers exceptional hardness, heat resistance, and longevity, ensuring clean, accurate holes every time.

Key Features

• 50 premium step drill sizes ranging from 1/16″ to 1″ for versatile applications.
• High‑speed steel (HSS) with cobalt alloy for superior durability and heat tolerance.
• Core cone design provides smooth, vibration‑free drilling with minimal burr formation.
• Compact aluminum case protects bits from damage and keeps them organized.
• Precision ground edges guarantee consistent hole diameter and surface finish.
• Ideal for automotive, aerospace, woodworking, and DIY projects.

Why Choose This Set?

• Long‑lasting performance: Cobalt alloy resists wear and maintains sharpness under high‑temperature conditions.
• All‑in‑one kit: 50 sizes mean you’ll never need to hunt for the right drill bit.
• Professional quality at an affordable price: perfect for both hobbyists and industry professionals.
• Easy to store and transport: the lightweight aluminum case fits in any toolbox or workbench drawer.
• Enhanced safety: each bit features a reinforced tip to reduce breakage and splintering.

Product Specifications

• Material: Cobalt‑enhanced high‑speed steel (HSS)
• Case: Durable aluminum with 50 individual compartments
• Size range: 1/16″ – 1″ (step drill)
• Weight: 1.2 lbs (approx.)
• Warranty: 1‑year limited warranty against manufacturing defects

Packaging & Accessories

The set arrives in a sturdy aluminum case with clearly labeled slots for each drill size. A quick‑reference size chart is included to help you select the right bit for your project.

Care & Maintenance

• Clean bits with a soft brush or compressed air after each use.
• Avoid contact with abrasive materials that could dull the cutting edge.
• Store in a dry environment to prevent rust.
• Replace any damaged or worn bits immediately to maintain safety and performance.

Upgrade your toolbox with the HSS 4241 Cobalt Multiple Hole 50 Sizes Step Drill Set and experience precision, durability, and convenience in every cut.