High Strength Stainless Steel Bolt Specification Table
|
Parameter |
Content |
|
Thread Specification |
M10 / M12 / M16 / M20 / M24 / M30; Coarse pitch / Fine pitch |
|
Type |
Hex head / Socket head / Torsion shear type |
|
Performance Grade |
Grade 8.8 / Grade 10.9 / Grade 12.9 (Mainstream 10.9 and 12.9 for mills) |
|
Surface Treatment |
Blackening / Phosphating / Hot-dip galvanizing / Mechanical galvanizing / Dacromet |
|
Matching Requirement |
High-strength flat washer, spring washer, nut optional |
|
Special Note |
Stainless steel contact surfaces must not use standard galvanized (Dacromet recommended) |
|
Operating Condition |
Normal temperature |



Critical Fasteners for Rolling Equipment
This product is a key standard part for connecting and fastening on rolling equipment. It handles important connection duties. We produce this product strictly to standards. Specifications from M10 to M30 are available. Thread length and total bolt length are determined per customer requirements. Thread standards include coarse and fine pitch options. Types include hex head, socket head, and torsion shear high-strength bolts. Performance grades include 8.8, 10.9, and 12.9. For mill equipment, we recommend 10.9 and 12.9 grades. The High Strength Stainless Steel Bolt is built for reliable fastening.
Surface Treatment and Matching Parts
Surface treatment for this product comes in multiple options. Blackening is the basic anti-corrosion method. Phosphating gives better anti-corrosion performance. Hot-dip galvanizing and mechanical galvanizing are used for outdoor environments needing strong corrosion protection. We remind customers to note stainless steel contact surfaces. Stainless steel contact surfaces must not use standard galvanized bolts. This causes galvanic corrosion. We recommend using Dacromet treatment. Dacromet effectively prevents galvanic corrosion. Matching parts include high-strength flat washers, spring washers, and nuts. We ensure all matching parts have matched hardness. Every High Strength Stainless Steel Bolt meets these strict standards.
Operating Conditions and Quality Control
This product is used under normal temperature conditions. We do hardness testing on every batch. We ensure performance grades meet standard requirements. Products pass inspection before packaging. We also offer custom special specifications based on customer needs. We keep common specifications in stock. We respond quickly to emergency orders. Our High Strength Stainless Steel Bolt delivers reliable fastening performance.
Quality Documentation and Support
This product has been used in many domestic rolling mills. Customers report stable and reliable quality. We provide complete quality certification documents. Our technical team helps with selection. Choose our High Strength Stainless Steel Bolt for reliable fastening.
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