Drill bit set Top Tools HSS cylindrical for metal 5 mm, 10 pcs (60H450)

Set of 10 Top Tools HSS cylindrical drill bits with 5 mm diameter designed for drilling metal. Made from high-speed steel (HSS), each bit offers wear resistance and heat tolerance needed for common metalworking tasks. The cylindrical shank fits standard chucks of hand-held drills and drill presses, making the set suitable for general fabrication, maintenance and repair work in steel, iron and other ferrous and non-ferrous metals.

Advantages

High-speed steel construction ensures good hardness and temperature resistance during repeated drilling operations. A consistent 5 mm diameter provides predictable hole size and simplifies tool selection for projects that require uniform drill diameters. The cylindrical shank enables secure clamping in a wide range of drill chucks and the 10-piece quantity ensures multiple replacements or parallel use across jobs without frequent reordering.

Suitable for

• Drilling holes in steel and iron components
• Fabrication and assembly tasks in workshops
• Maintenance and repair of machinery and metal fittings
• Use with hand-held drills and drill presses

Key specifications

• Material: High-speed steel (HSS)
• Tip/geometry: Standard twist drill profile suitable for metal
• Diameter: 5 mm
• Shank type: Cylindrical
• Quantity in set: 10 pieces

How to use

Secure the appropriate drill bit in the drill chuck, ensuring the shank is clamped firmly and the bit is aligned. Select a suitable cutting speed for the workpiece material—lower speeds for harder steels and higher speeds for softer metals—and apply steady, moderate pressure while drilling. For cleaner holes and longer tool life, use cutting fluid or lubricant and periodically withdraw the bit to clear chips. After use, clean the bits and store them in a protective case or holder to prevent damage.

Usage recommendations

Use a lubricant when drilling stainless or hardened steels, and reduce feed and speed for harder alloys. Inspect bits regularly for wear and replace any dull or chipped bits to maintain hole quality and reduce risk of breakage.