Insert Screws

M8×26 · pitch 1.25 · TORX PLUS® 30IP

Strength classClass 12.9Tensile strength≥1200 MPaMaterialAlloy steel (42CrMo)

Product description

Compiled from the existing technical description of this product on this site

The TORX PLUS® 30IP insert screw is M8×26 with a pitch of 1.25, property class 12.9 and a 66° head angle. The large body combined with the 66° head angle seats more closely in the counterbore of the tool body, which suits heavy-duty tool clamping and the locking of large tool holders.

Technical Features
Size M8×26, pitch 1.25 (large size in the series)TORX PLUS® 30IP drive, high torque transmissionClass 12.9 high strength, tensile strength ≥1200 MPa, yield ≥1080 MPa66° head angle for a tight fit in the countersinkStable torque, firm locking, wear and corrosion resistant
Applications
Tool clamping in CNC machining centresTool holder locking on milling and turning machinesFastening on mould machining equipmentHigh-precision assembly fixturesAutomotive component machining equipment

Specifications

The parameters listed on this page are subject to final inspection and the applicable standards; items not listed follow the customer drawing or the order agreement and are not committed by default.

Specification M8×26
Material Alloy steel (42CrMo)
Strength class Class 12.9
Tensile strength ≥1200 MPa
Yield strength ≥1080 MPa
Hardness HRC 39-44
Thread tolerance 6g(ISO 965-1)
Drive TORX PLUS®
Surface treatment Black oxide / zinc plating / zinc-nickel alloy (optional)
Standard Thread GB/T 196, GB/T 197 (ISO 965-1) 6g; TORX PLUS® drive to company standard / customer drawing; outline dimensions to customer drawing

Spec lookup

Filter directly among the 13 models in this series by your operating conditions - pure front-end filtering, no redirects, no URL changes

Filter results are based on the specification fields published on each model page and are for preliminary screening only; the final selection must be confirmed in light of the actual load, plate thickness and assembly process.

Drawings and documentation

Official catalogues and manuals are available for direct download; custom drawings are handled per project

PDF

Special-shape insert screw catalogue

May 2026 edition, 1.3 MB

Download
PDF

Countersunk insert screw catalogue

May 2026 edition, 0.4 MB

Download

Manufacturing process

The usual process route for this product family; actual operations follow the drawing and order requirements.

  • Cold headingHead and drive formed in one press operation from wire rod
  • Thread rolling / turningThread accuracy and machining of the mating faces
  • Heat treatmentQuenched and tempered to the specified property class
  • Surface treatmentBlack oxide / zinc plated / zinc-nickel alloy
  • 100% inspectionDimensions, hardness and torque sampled batch by batch

Capacity & delivery

Taken from the company's published capacity and certification information; no unverified claims are included.

6.5100M pcs/monthCombined monthly capacity of the Shenzhen and Xiangyang (Hubei) dual bases
As fast as 1-day prototypingFast prototyping channel after drawing or sample confirmation
26patentsPatents for fastening structures and assembly processes
3system certificationsIATF 16949 / ISO 9001 / ISO 14001

FAQ

Material, standards, surface treatment and installation points for this model; the data comes from the specification table on this page and from the national standards cited in the answers.

Q1What material does “TORX PLUS® 30IP Thread Inserts M8×26” use, and what strength level does it reach?

The specification table on this page states: material alloy steel (42CrMo); property class 12.9; tensile strength ≥1200 MPa; yield strength ≥1080 MPa; hardness HRC 39-44. Material certificates and mechanical property test reports can be supplied with the goods; batch acceptance follows the values stated above.

Q2In which applications is “TORX PLUS® 30IP Thread Inserts M8×26” used?

Typical applications listed in the product description on this page: CNC machining center tool clamping; tool holder locking on milling and turning machines; fastening on mould processing equipment; high-precision assembly fixtures; equipment for machining automotive parts. Overview: the TORX PLUS® 30IP insert screw is M8×26 with a pitch of 1.25, property class 12.9 and a 66° head angle.

Q3What does the 6g thread tolerance mean for “TORX PLUS® 30IP Thread Inserts M8×26”?

The specification table on this page lists a 6g thread tolerance (ISO 965-1). Under GB/T 197 (ISO 965-1), 6g is the customary tolerance band for external threads, balancing smooth assembly against manufacturing economy; the mating internal thread is usually 6H.

Q4What are the head type, drive type and structure of “TORX PLUS® 30IP Thread Inserts M8×26”?

The specification table on this page states a TORX PLUS® drive. Structural details are subject to the drawing.

Q5What does class 12.9 mean for the performance of “TORX PLUS® 30IP Thread Inserts M8×26”?

Under GB/T 3098.1 (ISO 898-1), property class 12.9 denotes a nominal tensile strength of 1200 MPa with a yield-to-tensile ratio of 0.9 (yield strength not below 1080 MPa). This series is made of 42CrMo alloy steel; the specification table on this page states a tensile strength of ≥1200 MPa and a hardness of HRC 39–44. (Applies to this model: “TORX PLUS® 30IP insert screw M8×26”.)

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