BAER HSSG 90° Countersink 20,5 mm (M 10) Standard Digital Calipers Left-hand spiral flute with right-hand

Left-hand spiral flute with right-hand cutting: promotes smooth cutting and efficient chip evacuation for a cleaner hole and steadier operation

This boring bar brings together rigidity

geometry designed for control

This insert is engineered to streamline threading operations—from job-shop setups to high-volume production

precise slots in thin metal sections

BAER HSSG 90° Countersink 20,5 mm (M 10) Standard Digital Calipers Left-hand spiral flute with right-handThe BAER HSSG 90 Countersink is a precision tooling accessory designed to deburr and chamfer metal bores with a 90 degree angle. Its ideal for engineers, technicians, tradespeople, hobbyists, and DIY enthusiasts who need clean, safe holes and a professional finish. Use it to create tapered offsets or to deburr holes so theyre safe to handle and ready for assembly. When screws are countersunk, this tool pre machines the bore to the correct taper,