The Speedtwister STC end mills from Maykestag deliver superior machining efficiency through variable helix geometry, five-flute design, and high-tech coatings such as TWINDUR and ULTRADUR. Engineered for smooth operation and stability, they support aggressive cutting parameters, reduced vibration, and extended tool life when machining stainless steels and universal materials.

Solid Carbide Milling Cutters STC end Mills Speedtwister Maykestag

Designed for modern high-efficiency machining, Maykestag STC Speedtwister cutters combine trochoidal milling capability with robust solid carbide construction. Their innovative chip breaker geometry and optimized flute configuration ensure reliable chip evacuation and consistent performance. These tools are widely used in CNC machining centers for high-material-removal operations and productivity-focused manufacturing environments.

Features

Trochoidal High-Performance Design

Optimized for dynamic milling strategies and extreme productivity

Deep Cutting Capability

Cutting depths up to 5×D depending on series

Advanced Coatings

TWINDUR and ULTRADUR coatings improve wear resistance and heat stability

Variable Helix Geometry

Smooth running and excellent chip control

Five-Flute Configuration

High feed rates and efficient material removal

Overview

Specification	Details
Tool Type	STC Solid Carbide End Mill (Speedtwister)
Material	Micro-Grain Solid Carbide
Coating Options	TWINDUR (Universal), ULTRADUR (Inox)
Flute Count	5 flutes (Z=5)
Helix Design	Variable helix / different spiral angles
Cutting Length	3×D and 5×D versions available
Diameter Range	Approx. 6 mm – 16 mm+ (series dependent)
Standard	DIN 6535 shank
Applications	Trochoidal milling, slotting, roughing, dynamic milling
Work Materials	Stainless steel, alloy steel, universal materials
Coolant Options	With or without internal coolant supply