TORX® T20 Tool Screw | M5×12 (0.8 Pitch)
Product Description Featuring a TORX® T20 drive and Grade 12.9 high-tensile material, this M5×12 screw (0.8 pitch) is designed with a 60° head angle and specialized X surface treatment....
Product Overview
The TORX® T20 tool screw has a size of M5×12 and a thread pitch of 0.8, strength grade 12.9 and a 60° head angle. TORX® T20 is a common hexalobular size with widely available tools; combined with a precision thread it gives stable tightening, suited to fastening small and medium tools and tool holders.
Technical Features
- Size M5×12, pitch 0.8
- TORX® T20 star recess, drive per ISO 10664, for universally available tools
- Grade 12.9 high strength, tensile strength ≥1200 MPa
- 60° head angle for high contact conformity
- Stable tightening torque with excellent wear and corrosion resistance.
Technical Specifications
| Material | Alloy steel (42CrMo) |
| Strength grade | Grade 12.9 |
| Tensile strength | ≥1200 MPa |
| Yield strength | ≥1080 MPa |
| Hardness | HRC 39-44 |
| Thread tolerance | 6g (ISO 965-1) |
| Surface treatment | Black oxide / zinc plating / zinc-nickel alloy (optional) |
| Standard | Thread GB/T 196, GB/T 197 (ISO 965-1) 6g; Drive ISO 10664; Outline dimensions per customer drawing / company standard |
| Drive | TORX® (ISO 10664) |
| Thread × length | M5×12 (0.8 pitch) |
| Head angle | 60° countersunk |
Applications
- Tool clamping in CNC machining centers
- Tool-holder clamping for milling machines and lathes
- Fastening for mold-making equipment
- High-precision assembly fixtures
- Automotive component machining equipment
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