1/2*3.1/2 Inch Unc Black Zinc Coated Hex Cap Bolts
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July 30 00:00:41, 2025
**Black Oxide Carbon Steel Hex Cap Bolts**
Bolt size ranges from 1/4" to 1.5" UNC and UNF, with lengths from 3/8" up to 6".
Standard specifications include ANSI B18.2.1, DIN933, DIN931, DIN558, and DIN601.
Material grades: SAE J429 Gr. 2, 5, and 8; ASTM A307 (Gr. A, B, C), A325; DIN/ISO Class 4.8, 5.8, 6.8, 8.8, 10.9, 12.9.
Available materials: MS, C1010, Q195, C1020, C1035, C1045, Cr40Mo, CR42Mo.
Surface treatments: PL, ZP, BZP, YZP, HGD, Nickel.
Customized specifications are available upon request.
For more details, visit hexbolts.cn.
These hex bolts can be fully or partially threaded.
1. Standards: DIN933/DIN931/ANSI B18.2.1/A307.
2. Available in Metric and Inch series.
- Metric: D: M4 to M48, L: 10mm to 1000mm.
- Inch: D: 3/8" to 2", L: 1/2" to 5".
3. Materials: Carbon steel, stainless steel, brass.
4. Surface options: Plain, black, zinc, hot-dipped galvanized, chrome, brass.
5. Brand: Factory or OEM.
Inch series hex bolts conform to ASME B18.2.1 standards.
SAE grade 2, 5, 8; ASTM A307 Grade A, B; A325 high-strength hex bolts.
Transhow Fasteners and its partners produce and export both metric and inch-sized fasteners.
Standard supplies include: DIN933 ISO4017, DIN558, DIN931 DIN4014, DIN601, DIN960, DIN961, ISO 4018, ISO 8676, ISO 8765, UNI 5737, UNI 5739, JIS B1180, EN3006, EN3007, EN3008, EN 24015, EN 24017, ANSI B18.2.1, ANSI B18.2.3.5M, ASTM A307, A563, F594, IFI 513, IFI 541, BS1769, BS4190, BS4395.
We offer a wide range of hex bolts including low carbon steel, medium carbon steel, alloy steel, stainless steel, brass, and aluminum.
To meet specific corrosion resistance or strength requirements, we provide additional treatments such as heating, black oxide, zinc plating, hot dip galvanizing, black zinc coating, brass plating, nickel, and chrome plating. Please specify your needs when making an inquiry.
Transhow Fasteners specializes in manufacturing various types of bolts, including hex bolts, round head bolts, square head bolts, T-head bolts, dog head bolts, and other customized and special-purpose bolts.
Metric standard bolts: DIN, EN, ISO, GB, JIS, AS, UNI, etc.
Inch standard bolts: ASME/ANSI, ASTM/SAE/IFI, BS, etc.
Materials used: carbon steel, alloy steel, stainless steel, and brass.
Hex bolts below M24 (or 1") are typically cold-forged, while larger sizes are hot-forged.
For enhanced corrosion resistance and strength, our bolts can be further treated with processes like heating, black oxide, zinc plating, hot dip galvanizing, black zinc coating, brass plating, nickel, and chrome plating. Contact us today for more information!
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**DIN933, Hex Bolt Class 4.8, Blue/White Zinc Plated**
| Specifications | Total Bags | Kgs/Bag | Total KGS | USD/KG | Total Amount |
|--------------|------------|---------|-----------|--------|--------------|
| 6*20 | 19 | 25 | 475 | $1.05 | $498.75 |
| 6*25 | 19 | 25 | 475 | $1.05 | $498.75 |
| 6*30 | 20 | 25 | 500 | $0.99 | $495.00 |
| 6*40 | 30 | 25 | 750 | $0.99 | $742.50 |
| 6*50 | 29 | 25 | 725 | $0.99 | $717.75 |
| 6*60 | 32 | 25 | 800 | $0.99 | $792.00 |
| 6*70 | 21 | 25 | 525 | $0.99 | $519.75 |
| 6*80 | 20 | 25 | 500 | $0.99 | $495.00 |
| 10*40 | 21 | 25 | 525 | $0.99 | $519.75 |
| 10*50 | 20 | 25 | 500 | $0.99 | $495.00 |
| 10*60 | 20 | 25 | 500 | $0.99 | $495.00 |
| **Total** | | | **6275** | | **$6,269.25**|
If you're looking for reliable and high-quality hex bolts, Transhow Fasteners is your trusted partner. Whether you need standard or custom solutions, we have the expertise and resources to meet your needs. Contact us today for a quote or to learn more about our products.