Other precision parts Retention of clamp load under high-load impact
Extra-Long High-Straightness Bolts for Electric Motors
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.
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.
| Material | Special alloy steel |
|---|---|
| Strength class | 14.9 grade |
| Tensile strength | Exceeding 1400 MPa |
| Features | High fatigue life, delayed fracture resistance |
| Typical application | Retention of clamp load under high-load impact |
Spec lookup
Based on your operating conditions, look up directly among the 5 models of this series — 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 & customization
No public catalogue is available for this series; drawing-based requests are handled per project.
Made to drawing / sample replication
A 2D drawing or a physical sample is enough for evaluation; once confirmed, we issue drawings, build samples and obtain first-article approval before volume production. Drawings and project information are handled under confidentiality requirements.
Manufacturing process
The usual process route for this product family; actual operations follow the drawing and order requirements.
- FormingCold heading or turning
- Thread / mating surface machiningAs per drawing requirements
- Heat treatmentDetermined by material and application
- Surface treatmentAs per customer requirements
- 100% inspectionDimensions and appearance
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 the “Grade 14.9 Ultra-High-Strength Connecting Rod Bolt” use? What strength level does it reach?
Specification table on this page: material is special alloy steel; strength class 14.9; tensile strength exceeding 1400 MPa. The material certificate and mechanical test report can be provided with the goods; batch acceptance follows the above specifications.
Q2What applications is the “Grade 14.9 Ultra-High-Strength Connecting Rod Bolt” suitable for?
Typical application listed in the product description on this page: retention of clamp load under high-load impact.
Q3What are the main features of the “Grade 14.9 Ultra-High-Strength Connecting Rod Bolt”?
Features listed in the product description on this page: high fatigue life; resistance to delayed fracture.
Q4Can the “Grade 14.9 Ultra-High-Strength Connecting Rod Bolt” be machined from special alloy materials?
Standard machining covers carbon steel, alloy steel, stainless steel, aluminum, brass and similar materials; hard-to-machine materials such as titanium alloys and special alloys are confirmed after evaluating cutting tools and the process route. Material certificates and heat numbers can be provided with the goods. This is a mechanism explanation; for verification refer to GB/T 3098.1; data for this model are subject to the specification table on this page. (Applies to this model: “Grade 14.9 Ultra-High-Strength Connecting Rod Bolt”.)
Q5Can special-shaped custom parts like the “Grade 14.9 Ultra-High-Strength Connecting Rod Bolt” be customized?
Yes. Simply provide 2D drawings, 3D data or physical samples to evaluate the process and cost. The workflow is: drawing confirmation → prototyping → first article approval → volume production; project information and drawings are handled under confidentiality requirements. This is a mechanism explanation; for verification refer to GB/T 3098.1; data for this model are subject to the specification table on this page. (Applies to this model: “Grade 14.9 Ultra-High-Strength Connecting Rod Bolt”.)
Related models
Alternative sizes in the same series and cross-series fasteners commonly used together
Other precision parts
Metric Precision Hex Socket Shoulder Bolts
This product is made of quality alloy steel with a precision lapping process; the plain shank is held to an h7 tolerance
Other precision parts
Hex socket cylindrical head shoulder screw
The TORX recess cylindrical head shoulder screw is made of high-strength alloy steel; the plain shank is precision-ground with extremely tight dimensional tolerances. Combined with the hexalobular (TORX) drive design
Other precision parts
Hex flange bolt
This product is made of quality carbon steel or alloy steel, formed in one piece by precision cold heading, with a wide flange face integrated into the head. It not only increases contact area and load capacity
Insert Screws
TORX PLUS Insert Screws
Made of class 12.9 high-strength alloy steel
Direct Assembly
0.6 mm CM Phillips Ultra-Thin Ultra-Short Large-Head Micro Screw
A 0.6 mm ultra-thin large-head design that pushes space utilisation to the limit, effectively increasing the contact area and preventing the sheet from being pierced. Precision Phillips drive combined with a very short thread body.
