Engineered according to DIN standards, Maykestag HSS Counterbores deliver stable cutting performance and precise concentricity during bolt seat and counterbore operations. Optimized multi-flute geometry improves chip evacuation and reduces vibration. Suitable for CNC and conventional machines, they support efficient production in mechanical engineering, maintenance, and fabrication industries worldwide.

HSS Counterbores Maykestag

Produced using advanced grinding technology and heat treatment processes, Maykestag HSS Counterbores feature sharp cutting edges and long service life. The integrated pilot ensures accurate alignment and hole positioning. Ideal for creating screw head recesses and precision flat seats, they offer durability, resharpening capability, and dependable machining performance in professional workshops.

Features

High-Speed Steel Construction

Provides toughness, wear resistance, and reliable tool life.

Pilot-Guided Accuracy

Fixed or interchangeable pilot ensures concentric counterboring.

DIN Standard Manufacturing

Produced according to DIN 373 for metric screw seat dimensions.

Multi-Flute Cutting Geometry

Smooth cutting action with improved chip evacuation.

Resharpenable Design

Allows extended tool service life and cost efficiency.

Overview

Specification	Details
Product Type	HSS Counterbore
Material	High-Speed Steel (HSS)
Standards	DIN 373 (metric counterbores for socket head screws)
Cutting Edges	Typically 3–4 flutes
Pilot Type	Fixed pilot or interchangeable pilot (model dependent)
Cutting Direction	Right-hand cutting
Application	Counterboring, bolt seats, screw head recesses, flat-bottom holes
Work Materials	Steel, alloy steel, cast iron, non-ferrous metals
Shank Type	Cylindrical shank
Machine Compatibility	Drilling machines, CNC machining centers, milling machines
Surface Finish	Precision ground
Brand	Maykestag (Austria)