Drill bit FANAR HSS cylindrical for metal 8.9 mm (W2-101811-0890)

FANAR HSS cylindrical drill bit 8.9 mm is a precision tool intended for drilling holes in steel and non-ferrous metals. Manufactured from high-speed steel (HSS) with a smooth cylindrical shank, it fits standard chucks in hand-held drills and drill presses. The geometry of the cutting edges and the HSS material provide a balance of hardness and toughness suitable for general metalworking, maintenance, fabrication and repair tasks that require straight, accurate holes.

Advantages

The HSS construction offers good wear resistance and heat resistance during interrupted or continuous drilling in metal. The cylindrical shank ensures stable clamping in standard chucks and simplifies setup. The 8.9 mm diameter is useful for through-holes and clearance holes in structural and sheet metal work. The straightforward single-piece design is durable and easy to use with common drilling equipment.

Suitable for

• Drilling holes in mild and medium-hard steels
• Creating clearance holes in aluminum and other non-ferrous metals
• Maintenance and repair tasks requiring repeatable, straight holes
• Use in hand-held drills and drill presses for fabrication work

When it may not be suitable

This HSS cylindrical drill bit is not intended for drilling hardened steels, stainless steels with high work-hardening tendency, or extremely abrasive materials; in those cases a carbide or coated variant would be more appropriate. It is also not designed for specialized tasks such as deep-hole drilling without pecking cycles or where coolant delivery is restricted.

Key specifications

• Material: High-speed steel (HSS)
• Shank type: Cylindrical
• Diameter: 8.9 mm
• Typical use: Metal drilling (steel, non-ferrous metals)
• Compatibility: Standard drill chucks on hand-held drills and drill presses

How to use

Secure the drill bit in the chuck ensuring concentric clamping on the cylindrical shank. Select an appropriate spindle speed for the workpiece material (lower speeds for harder steels, higher for softer non-ferrous metals) and apply steady, moderate feed pressure. Use cutting fluid or coolant when drilling steels to reduce heat and extend tool life. For through-holes, maintain stable workpiece support and clear chips periodically to avoid clogging the flutes. Retract occasionally for deeper holes to improve chip evacuation.

What to consider before purchase

• Verify that an 8.9 mm diameter is correct for the intended hole (clearance, pilot, or final hole size).
• Confirm compatibility with the chuck type and capacity of your drill or press.
• Consider workpiece material hardness; choose carbide or coated bits for hardened or highly abrasive metals.
• Plan for appropriate cutting fluid and chip clearance when drilling deeper holes.

Usage recommendations

Use a suitable cutting lubricant when drilling steels, start at lower speeds for harder materials, and ensure the bit is clamped concentrically in the chuck to achieve straight, accurate holes and extend tool life.