OverviewBeta Tools countersinking cutter with three cutters is an HSS conical cutting tool designed for accurate countersinking, chamfering and hole finishing in professional drilling and threading applications. Suitable for workshop, fabrication, servicing and maintenance use, it helps tradespeople prepare clean seating for fasteners and improve the finish of drilled holes. The three-cutter design supports controlled cutting action for consistent results, while the HSS construction is suited to regular trade use where dependable edge performance is important. With a 10.4 mm cutter diameter and 50 mm overall length, this model is a practical choice for precise finishing tasks on site or in the workshop. It is well suited to technicians and fabricators who need a reliable countersinking cutter for assembly, repair and general metalworking operations.Features Delivers accurate countersinking and chamfering for professional drilling and threading work. Improves hole finishing quality with a three-cutter design for controlled cutting action. Provides dependable performance in workshop, servicing and fabrication applications. Ensures suitability for precise fastener seating and clean edge preparation. Reduces the need for secondary finishing during assembly and maintenance tasks. Supports routine use in repair, installation and general metalworking operations. Withstands regular professional use thanks to HSS construction. Offers a compact 50 mm overall length for practical handling in detailed work. Specifications SKU 004260007 Range/Series 426 Product Type Countersinking cutter with three cutters Size/Capacity 10.4 mm Length 50 mm Weight 16.3 g Material HSS Pieces 3 Application Drilling and threading tools; conical and special drill bits and mills; countersinking, chamfering and hole finishing Downloads & MediaDatasheet (PDF)