Metal Countersink Drill Bit 16.5mm (M8) / pce

Product

A precision countersink drill bit sized 16.5mm, designed for M8 screw applications in metalworking. Ideal for creating clean chamfered holes in metal surfaces prior to screw or bolt installation.

Specifications

• Sized at 16.5mm diameter, compatible with M8 screw countersinking requirements
• Engineered for use on metal materials, delivering consistent chamfer angles
• Single-piece construction for reliable performance during drilling operations
• Designed to fit standard drill chucks for straightforward integration into existing toolsets

Usage

Insert the countersink bit into a compatible power drill or drill press. Position the tip at the pre-drilled hole and apply steady pressure to create a clean, angled recess that allows M8 screw heads to sit flush with or below the metal surface.

FAQ

1. What screw size is this countersink bit designed for? — It is specifically designed for M8 screws, with a 16.5mm diameter to match the corresponding head dimensions.
2. Can this bit be used on materials other than metal? — It is categorized as a metal cutter, so it is optimized for metalworking applications. Use on other materials may affect performance and longevity.
3. What type of drill is compatible with this bit? — It is compatible with standard power drills and drill presses equipped with a chuck that accommodates the bit's shank size.
4. Is this product sold individually or in a set? — This countersink bit is sold per piece, allowing you to purchase exactly the quantity needed.
5. What chamfer angle does this bit produce? — The bit produces a standard countersink chamfer angle suited for M8 screw heads, ensuring a flush and secure fit in metal workpieces.

mvm-dt-2026-03