7 Pcs 150mm Extra Long High-speed Steel HSS Twist Drill Bit Kit, Spiral Drill Bits High Hardness for Wood Plastic Aluminum Masonry DIY Home Building Drill Bits - Diameter 2/3/3.5/4/5mm

• Premium Material: These extra long drill bits are made of outstanding high-speed steel HSS material with high hardness and durability, which is more sturdy, durable for long time use.
• Easy to Use: The cutting edge makes cutting more efficient and can cut high hardness materials. The drill shank-stable clamping, durable in use, and will not be easily damaged.
• Practical Design: The twist drills are designed to meet industrial diameter tolerance standards. And the double flute chip removal design can speed up the process of drilling and chip removal.
• Wide Applications: Ideal for most types of hand drills and impact drills. Suitable for wood, spring steel, white steel, PVC, ordinary steel, die steel, aluminum, copper, stainless steel (within 1-4mm), and more.
• Package Includes: The twist drill bits kits have 5 types of diameter 2/3/3.5/4/5mm, in the length of 150mm, 3 pcs 2mm, and one piece of other diameter, a total of 7 pcs, different sizes to meet your needs.

"Properties: - These twist drill bits are made of high-quality high-speed steel material with high hardness, which are durable for long time use. - The double flute chip removal design can speed up the process of drilling and chip removal, easy for your daily use. - The twist drills are designed to meet industrial diameter tolerance standards, and is suitable for most types of hand drills and impact drills. - Twist drill bits have 5 types of size 2/3/3.5/4/5mm, holes of different sizes to meet your needs. - Suitable for wood, spring steel, white steel, plastic, PVC, ordinary steel, die steel, aluminum, copper, stainless steel (within 1-4mm). Product Information: - Product name: Extra Long High-speed Steel HSS Twist Drill Bit Kit - Material: High-speed steel - Type: Twist drill bit - Length: 150mm - Diameter 2mm/3mm/3.5mm/4mm/5mm - Quantity: 7 Pcs Package Includes: 3 x 2mm Spiral Drill Bits 1 x 3mm Spiral Drill Bits 1 x 3.5mm Spiral Drill Bits 1 x 4mm Spiral Drill Bits 1 x 5mm Spiral Drill Bits Warm tips: - If you have any questions about using the masonry drill bits, please feel free to contact us. We will definitely offer you a satisfactory solution. "