Insert Screw for CNC Tool Holder | Torx Screw for Turning Insert | Carbide Insert Screw

High Precision Insert Screws – Built for Secure Clamping, Stability, and Longevity

Our insert screws for CNC tool holders and torx screws for turning inserts are engineered for precise and reliable locking of carbide inserts. Designed to withstand high-speed cutting forces and temperature variations, these carbide insert screws ensure consistent tool performance and extended tool life.

Product Features

Type: Insert Screw / Torx Screw / Carbide Insert Screw
Application: CNC Turning Tool Holders, Milling Cutters, Lathe Tool Inserts, Boring Bars
Material Options:

• Alloy Steel (SCM435 / 40Cr / 42CrMo)

• Stainless Steel (SUS304 / SUS410 / SUS420J2)

• Titanium Alloy or other materials upon request

Technical Specifications

Head Type: Torx / Hex / Flat Head / Custom Head Design
Drive Type: Torx T8–T25 / Hex 2.5–5.0 mm
Thread Size: M2–M8 or Inch Thread #2–5/16”
Tolerance: ±0.01 mm or per drawing
Hardness: HRC 33–45 (after heat treatment)
Surface Treatment: Black Oxide, Zinc Plating, Nickel Plating, DLC, PVD Coating, or Custom Finish
Thread Standard: DIN, ISO, ANSI, or customized

Manufacturing and Quality

Each screw is produced using precision CNC turning and thread rolling processes, followed by heat treatment and surface finishing for optimal strength and corrosion resistance.
All screws undergo strict quality control, including CMM inspection, torque testing, and thread gauge verification, ensuring a perfect fit and stable performance under demanding machining environments.

Customization Service

We provide full customization according to your drawings or samples.
Head design, drive type, material, hardness, coating, and packaging can all be tailored to your production needs.

Please send us your drawing or sample for quotation and prototype verification.
Our engineering team will help optimize your design and provide cost-effective production solutions.