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  • Model NO.: CH-C0010
  • Type: Round Head
  • Head Style: Square
  • Grade: 4.8
  • Finish: Blue-White Zinc Plated
  • Certificate: ISO9001:2008, SGS Testing Report & RoHS
  • MOQ: 100PCS
  • Product Name: Zinc Plated Round Head Square Neck Carriage Bolt
  • Transport Package: General Export Package
  • Origin: Guangdong, China
  • Material: Carbon Steel
  • Connection: Common Bolt
  • Standard: DIN, ANSI, GB, JIS, BSW, GOST
  • Application: Machinery, Chemical Industry, Environmental, Building
  • Bolt Type: Coach Bolt, Carriage Bolt, Square Neck Bolt
  • OEM: Available
  • Payment Terms: T/T, Western Union, PayPal, etc.
  • Trademark: CONGHUI
  • Specification: M4-M20
  • HS Code: 7318130000
Zinc Plated Round Head Square Neck Carriage Bolt Din603
Product Description
Product Name Zinc Plated Round Head Square Neck Carriage Bolt Din603
Material Stainless Steel: SS201, SS303, SS304, SS316, SS410, SS420
Carbon Steel: 4.8, 6.8, 8.8, 10.9, 12.9
Titanium: GR1-GR5
Aluminum, Brass, etc.
Size M4-M20 or as per your request
Head Type Flat, JIS pan, Oval, Round, Binding, I.HD, Brazier, PF. HD, Button, Fillister, Ansi.Pan, Pan washer, Indented Hex, etc.
Standard ISO, GB, DIN, JIS, ANSI, BSW, ASME
Certificate ISO9001:2008, SGS testing report & RoHS
Screw Drivers Phillips, Slotted, Square, Crossed, Y-type, T-type, Torx, PZ drives, Hex socket, etc.
Finishing Zn-Plated, Ni-plated, Tin-Plated, Radiant Plated, Passivated, Brass plated, Cd-plated, Phosphate Anodize, Cr-plated, Black Oxide, etc.
Heat Treatment Tempering, Hardening, Spheroidizing, Stress Relieving, etc.
Package General export package, or according to customer's requirement
Delivery Time About 7–15 days after all details confirmed. Fast delivery available for urgent orders.
Customer Service Replacement at our cost for rejected products if they do not match the PO drawings.

Product Show
Zinc Plated Round Head Square Neck Carriage Bolt DIN603
Zinc Plated Round Head Square Neck Carriage Bolt DIN603
Zinc Plated Round Head Square Neck Carriage Bolt DIN603
Zinc Plated Round Head Square Neck Carriage Bolt DIN603
Zinc Plated Round Head Square Neck Carriage Bolt DIN603
Zinc Plated Round Head Square Neck Carriage Bolt DIN603
About Our Company:
Shenzhen Conghui Precision Hardware Co., Ltd. is a professional manufacturer that has been specializing in precision industrial fasteners and accessory parts for over 9 years. We provide high-quality products across various industries, including machinery, electronics, construction, and furniture. Our product range includes screws, nuts, bolts, washers, rivets, anchors, and CNC parts. We strictly adhere to international standards such as GB, ISO, DIN, JIS, AISI, NFE, and BSW. Whether you need standard or custom-made components, we are here to help. Our products are widely sold in North America, Southeast Asia, and Europe. We take pride in delivering quality, reliability, and excellent customer service. If you're looking for a reliable supplier, we'd be happy to work with you. We offer free samples upon request, so you can check the quality before placing an order. Just cover the shipping costs. FAQ:
1) Q: Are you a trading company or a manufacturer?
A: We are an industry and trade company, combining manufacturing and sales expertise.

2) Q: What's your product range?
A: We offer a wide range of fasteners including screws, nuts, bolts, washers, rivets, anchors, and CNC parts. We also accept non-standard designs and customized orders.

3) Q: Why should I choose you? What are your advantages?
A: With 9 years of experience in the fastener industry, we ensure quality, competitive pricing, and fast delivery. Our team provides full support from design to after-sales service. Customer satisfaction is our top priority.

4) Q: In which industries are your products used?
A: Our products are commonly used in machine assembly, electronics, construction, and furniture manufacturing.

5) Q: What is your factory capacity?
A: We have 70 workers and 80 machines, producing up to 2,000,000 pieces per week. This allows us to meet even large orders efficiently.

Customer Service
· 1. No question refund within 3 days.
· 2. Experienced and well-trained staff ready to assist you.
· 3. Quick lead time for your orders.
· 4. International standards compliance.
· 5. OEM, ODM, and custom services available.
· 6. Small quantity orders accepted.
· 7. Customized designs based on your requirements.
· 8. Packaging and delivery tailored to your needs.

Any more questions or special requests? Feel free to contact me!
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