Black Anodized Threaded Double Ended Bolt M4-M48 with Nuts | Carbon Steel & Stainless Steel Options | Class 4.8-12.9 Grades
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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