Electromagnetic Valve,Hydraulic Solenoid Valve Coil,Cartridge Solenoid Valve Coil,Dc Solenoid Valve Coil Huai'an Aide Hydraulic Machinery Co.Ltd , https://www.aidehydraulic.com
Grade 4.8 Square Head Galvanized Bolt
**Product Details:**
- **Model No.:** Pipe Fitting
- **Application:** Machinery, Chemical Industry, Construction
- **Finish:** Hot Galvanized
- **Size Range:** M6 to M52
- **Trademark:** MINGDA
- **Packaging:** Carton, Wooden Cases
- **Certification:** SGS
- **Origin:** Hebei, China
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**Square Head Galvanized Bolt**
1. **Grade:** 4.8 – 12.9, A2, A4
2. **Size:** M6 – M52
3. **Finish Options:** Plain, Zinc Plated, Hot Dip Galvanized, Dacromet
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**Product Name:**
Bolts (Hex Bolt, Heavy Hex Bolt, Flange Bolt, Carriage Bolt, Guardrail Bolt)
**Standards:**
DIN, ASTM/ANSI, JIS, EN, ISO, AS, GB
**Material:**
- **Stainless Steel:** SS201, SS303, SS304, SS316, SS316L, SS904L, F593
- **Steel Grades:** DIN: Gr. 4.6, 4.8, 5.6, 5.8, 8.8, 10.9, 12.9; SAE: Gr. 2, 5, 8; ASTM: 307A, 307B, A325, A394, A490, A449
**Finishing Options:**
Zinc (Yellow, White, Blue, Black), Hot Dip Galvanized (HDG), Black Oxide, Geomet, Dacromet, Anodization, Nickel Plated, Zinc-Nickel Plated
**Production Process:**
- M2 – M24: Cold Forging
- M24 – M100: Hot Forging
- Customized Fasteners: Machining and CNC Processing
**Customized Products Lead Time:**
- Busy Season: 15–30 Days
- Slack Season: 10–15 Days
**Stock Products:**
- **Steel Bolts:** 4.8 Grade (DIN 6923), 8.8 Grade, 10.9 Grade (GB 5783, GB 5782)
- **Stainless Steel Bolts:** All DIN Standard Stainless Steel Bolts
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**Product Images:**




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This product is ideal for a wide range of industrial applications, including construction, machinery, and chemical processing. The galvanized finish ensures high corrosion resistance, making it suitable for both indoor and outdoor use. Whether you need standard or custom bolts, MINGDA offers a reliable and durable solution. With competitive pricing and fast delivery times, we are your trusted supplier of high-quality fasteners.