Black Anodized Threaded Double Ended Bolt M4-M48 with Nuts | Carbon Steel & Stainless Steel Options | Class 4.8-12.9 Grades
Industrial-grade black anodized threaded double-ended bolts available in M4 to M48 sizes with full threading and compatible nuts. Manufactured from carbon steel, stainless steel, or alloy steel with multiple finish options. Features advanced manufacturing quality, comprehensive testing, and flexible order terms with 50-piece MOQ. Ideal for structural steel, oil & gas, and mechanical applications.
Black anodized threaded double-ended bolts available in sizes M4 through M48, featuring full threading and compatible nuts. These industrial-grade stud bolts are manufactured to exacting standards for reliable performance in demanding applications.
- Direct manufacturer pricing with competitive cost structure
- Advanced machinery ensures precise workmanship and burr-free surfaces
- Responsive communication and timely order processing
- Small order quantities accepted for initial cooperation
| Parameter | Specifications |
|---|---|
| Size Range | M4 - M48 (Standard & Custom Sizes) |
| Material Options | Carbon Steel, Stainless Steel, Alloy Steel |
| Grade Standards | SAE J429 Gr.2, 5, 8; ASTM A307Gr.A; Class 4.8, 5.8, 6.8, 8.8, 10.9, 12.9 |
| Thread Types | UNC, UNF, BSW |
| Surface Finishes | Plain, Zinc Plated (Clear/Blue/Yellow/Black), Black, HDPE, Fluorocarbon Coating, XYLAN |
| Packaging | Bulk in cartons on wood pallets or custom packaging |
Structural Steel Construction • Metal Building Systems • Oil & Gas Infrastructure • Tower & Pole Manufacturing • Wind Energy Systems • Mechanical Machinery • Automotive Components
Comprehensive testing using desktop direct-reading spectrometers, cutting machines, automatic pre-milling equipment, polishing machines, Vickers hardness testers, metallography microscopes, electrolytic thickness gauges, tensile testing machines, salt spray devices, magnetic particle flaw detectors, calipers, and Go/No-go gauges.
Supply Capacity: Approximately 100 tons per month
Minimum Order Quantity: 50 pieces
Trade Terms: FOB, CIF, CFR, CNF, EXW, DDU, DDP
Payment Methods: T/T, L/C, D/P, Western Union
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