PROFESSIONAL MANUFACTURER OF HARDWARE PRODUCTS
Jinan Meierde Industry Co., Ltd
Special head bolt customized
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Product introduction
Custom Hex Head Bolts – Made to Your Exact Specifications
Product Overview
Our custom hex head bolts are manufactured to meet your exact drawings, samples, or performance requirements. With a hexagonal head designed for easy wrench or socket tightening, these bolts provide strong, reliable fastening for machinery, construction, automotive, and industrial applications. Available in metric and inch sizes, full thread or partial thread, and a wide range of materials, grades, and surface finishes.
Whether you need a standard DIN/ISO/ANSI hex bolt or a fully customized fastener, we offer OEM and ODM production with tight tolerances, consistent quality, and competitive factory-direct pricing.
Key Features
Fully Customizable: Size, thread, length, head dimensions, material, grade, finish, and markings.
High Strength: Available in grades 4.8, 6.8, 8.8, 10.9, 12.9, A2-70, A4-80, and more.
Precision Threading: Rolled or cut threads with accurate pitch and fit.
Corrosion Resistance: Zinc plating, hot-dip galvanizing, black oxide, Dacromet, nickel, phosphate, and other coatings.
OEM/ODM Support: Custom head markings, logos, labels, and retail packaging.
Strict Quality Control: Dimensional inspection, hardness testing, tensile testing, salt spray testing, and thread gauging.
Wide Application: Suitable for automotive, construction, machinery, marine, agricultural, and electrical equipment.
Technical Specifications
| Item | Details |
|---|---|
| Product Name | Custom Hex Head Bolt |
| Standard | DIN 931, DIN 933, ISO 4014, ISO 4017, ANSI B18.2.1, JIS B1180, or custom |
| Material | Carbon steel, alloy steel, stainless steel 304/316, brass, titanium |
| Grade | 4.8, 6.8, 8.8, 10.9, 12.9, A2-70, A4-80, etc. |
| Diameter | M3–M64 / #4–4 in. |
| Length | 6–1000 mm / 1/4–40 in. |
| Thread Type | Metric, UNC, UNF, BSW, BSF, left-hand, fine pitch, coarse pitch |
| Thread Tolerance | 6g/6h, 2A/2B, or as requested |
| Head Type | Hex head |
| Drive Type | External hex |
| Finish | Plain, zinc plated, hot-dip galvanized, black oxide, phosphate, nickel, Dacromet, Geomet, Xylan, PTFE |
| Tolerance | ±0.01 mm or per drawing |
Customization Options
We can customize every critical aspect of your hex head bolt:
Material: Carbon steel, alloy steel, stainless steel, brass, titanium.
Grade: 4.8 to 12.9, stainless steel A2/A4, or special grades.
Dimensions: Diameter, length, thread pitch, head height, head width, chamfer.
Thread: Full thread, partial thread, left-hand thread, fine thread, coarse thread.
Finish: Zinc, HDG, black, nickel, phosphate, Dacromet, and more.
Marking: Custom logo, grade, size, lot number, or client code.
Packaging: Custom boxes, labels, barcodes, and retail-ready packaging.
Applications
Custom hex head bolts are widely used in:
Automotive and transportation
Construction and structural steel
Industrial machinery and equipment
Agricultural machinery
Wind energy and power generation
Marine and offshore equipment
Electrical and electronic enclosures
Furniture and general assembly
Product message
Jinan Western Industrial park, Jinan City, Shandong Province
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