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• High-Speed Steel Material :Crafted from high-speed steel, this drill bit ensures durability and longevity, providing you with a reliable tool for your metalworking needs.
• Versatile Size Range :With sizes ranging from 3-20mm, this drill bit set caters to a variety of drilling needs, making it a versatile addition to your toolkit.
• Nitride Black Hex Design :The nitride black hex design of the drill bits enhances their resistance to wear and tear, ensuring they can withstand rigorous use.
• Core Drill Bit Type :As a core drill bit, it is designed to provide precise and clean cuts, making it ideal for intricate metalworking projects.
• DIY Supplies :Perfect for DIY enthusiasts, this drill bit set allows you to create intricate designs and patterns on your metal pieces with ease.
• Originated from Mainland China :Originating from Mainland China, this drill bit set reflects the country's renowned craftsmanship and attention to detail.
Features:
1.100% brand new and high quality.
Made of high quality HSS steel, hard and wear-resistant.
3. Suitable for a variety of materials, can easily punch holes in wood, aluminum, plastic boards, insulating boards and other materials.
4. Face shank design to prevent slippage when chucking.
5. Two groove designs drive faster, smoother and cleaner cutting Each step is clearly marked with the depth diameter of the step.
Specifications:
Material: High speed steel
Color: Black
Size: 3-12mm/4-12mm/4-20mm
Application: It is suitable for drilling and hole reaming processing of wood, aluminum, plastic board, insulating board and other materials with a thickness of less than about 5mm.
Package Include:
set 1 :3*HSS Straight Groove Step Drill Bit
Note:
1. Please allow 1-3 cm error due to manual measurement.
2. As different computers display colors differently, the color of the actual item may vary slightly from the above images, thanks for your understanding.
Your satisfaction is our priority. Return within 30 days.
Professional Grade Reliability
What the Experts
What the Experts
Are Saying
4.9
Based on 800+ Professionals
★★★★★
"The build quality is outstanding. You can feel the durability the moment you hold it. Truly professional-grade."
★★★★★
"Exceptional precision. It has made my daily tasks much more efficient. Highly recommended for any serious workshop."
★★★★★
"Heavy duty and reliable. I've used many brands before, but the consistency here is on another level."
★★★★★
"Great ergonomics and very intuitive to use. It saves a lot of time on complex projects."
★★★★★
"Solid construction. It’s clear that a lot of thought went into the engineering of these tools."
★★★★★
"The perfect balance between weight and performance. Essential kit for anyone working in the field."
★★★★★
"Top-notch finishing and very reliable performance under pressure. Couldn't ask for more."
★★★★★
"A game changer for my productivity. The quality-to-price ratio is unbeatable in the market."
★★★★★
"Accurate, robust, and dependable. It’s rare to find tools that deliver exactly what they promise."
★★★★★
"I’ve been using their gear for months now, and it still performs like day one. Very impressed."
Why Choose Us
Built for Professionals
Who Demand More
Every product we carry has passed rigorous testing. No compromises — just tools that perform.
01 / 04
Premium Quality
We test every tool to ensure it meets global standards for durability and high performance.
02 / 04
Fast Delivery
Receive your orders quickly through our reliable shipping network, keeping your vital projects on schedule.
03 / 04
Precision Guaranteed
Our instruments provide exact results for both daily DIY tasks and complex professional repair work.
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Expert Support
Our dedicated technical team is available to assist you, ensuring a smooth and helpful shopping experience.
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