Insert Screws
M8×0.75 · hex socket SW5.0
Product photos
Actual photos, not renders
Illustration note
The image shows an actual part of this specification; appearance differs with surface treatment and head style, and the delivered part prevails.
Images are for appearance and structure reference; dimensions and tolerances are subject to the specifications and the applicable standards on this page.
Product description
Compiled from the existing technical description of this product on this site
The hex socket SW5.0 inner/outer thread insert screw has an outer thread M8×0.75 and an inner thread M5×0.8, an overall length of 10 mm and an SW5.0 hex socket drive. The outer thread at one end screws into the tool body while the inner thread at the other end accepts a standard screw, so a single installation converts the thread size; it is used for quick changeover and high-precision locking of tool modules.
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 | M8×0.75 |
|---|---|
| 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 | Hex socket SW5.0 (inner-outer thread adaptor) |
| Surface treatment | Black oxide / zinc plating / zinc-nickel alloy (optional) |
| Standard | Thread GB/T 196, GB/T 197 (ISO 965-1) 6g; drive per GB/T 70.1 (ISO 4762); outline dimensions to customer drawing / company standard |
Spec lookup
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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
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.
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 “hex socket SW5.0 inner-outer thread insert screw, external M8×0.75 / internal M5×0.8” 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 “hex socket SW5.0 inner-outer thread insert screw, external M8×0.75 / internal M5×0.8” used?
Typical applications listed in the product description on this page: quick changeover of tool modules; locking of CNC tool holders and collets; precision fixtures and jigs; automatic tool change systems. Overview: the hex socket SW5.0 insert screw has an outer thread M8×0.75 and an inner thread M5×0.8, an overall length of 10 mm and an SW5.0 hex socket drive.
Q3What does the 6g thread tolerance mean for “hex socket SW5.0 inner-outer thread insert screw, external M8×0.75 / internal M5×0.8”?
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 “hex socket SW5.0 inner-outer thread insert screw, external M8×0.75 / internal M5×0.8”?
The specification table on this page notes: the drive is hex socket SW5.0 (inner-outer thread transition). Structural details are subject to the drawing.
Q5What does class 12.9 mean for the performance of “hex socket SW5.0 inner-outer thread insert screw, external M8×0.75 / internal M5×0.8”?
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: “hex socket SW5.0 insert screw with inner and outer thread, outer M8×0.75 / inner M5×0.8”.)
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