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Through Bolt From China Manufacturer Free Samples Available Professional Grade Full Sizes Available
Product Spotlights
Professional-grade through bolts in full sizes from M6 to M30+ with free sample offer. Direct China manufacturer provides high-strength options (grade 8.8/10.9), multiple finishes, and flexible customizations. Backed by US$1M+ annual export experience to major global markets.
US$ 0.01 - 0.5
MOQ: 1000 Pieces
Key Specifications
Get Latest Price
Material:
Other, Steel / Stainless Steel / Alloy Steel
Grade:
Other, 4.8 / 8.8 / 10.9 (available upon request)
Standard:
Other, DIN / ISO / GB (customizable)
Payment & Shipping
Payment Methods:
Port of Shipment:
Tianjin
Delivery Detail:
30 days
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Material
Other, Steel / Stainless Steel / Alloy Steel
Grade
Other, 4.8 / 8.8 / 10.9 (available upon request)
Standard
Other, DIN / ISO / GB (customizable)
Application
Other, Construction / Machinery / Structural Fixing
diameter
M6 to M30 (customizable)
length
10mm to 500mm (customizable)
thread_type
Full Thread / Partial Thread
head_type
Hex / Square / Plain
surface_finish
Plain / Zinc Plated / Hot Dip Galvanized / Black Oxide
packaging
Bulk / Box / Pallet (customizable)
As a trusted China-based supplier, Hefei SENOTECH New Materials Co., Ltd offers premium Through Bolts engineered for demanding professional applications. With our extensive experience serving North America, Europe, Southeast Asia, and other global markets since 2020, we understand the importance of reliable fasteners. Our through bolts are available in full sizes, and we provide free samples to help you evaluate quality before placing bulk orders. Whether you need standard dimensions or custom specifications, our manufacturing flexibility ensures you get the exact product for your project.
Product Features & Technical Specifications
- Professional Grade – Designed for heavy-duty structural and industrial applications, ensuring long-term performance under high loads.
- Full Size Range – Diameters from M6 to M30 and lengths from 10mm to 500mm. Larger sizes are available upon request.
- Material Options – Choose from carbon steel (grade 4.8/8.8), stainless steel (304/316), or alloy steel for enhanced strength and corrosion resistance.
- Surface Finishes – Plain, zinc plated, hot dip galvanized, black oxide, or dacromet. Choose what suits your environment best.
- Thread Configurations – Full thread or partial thread, with fine or coarse threads to meet specific standards.
- Head Types – Hex head (most common), square head, or custom shapes for specialized tools.
- Compliance – Manufactured in accordance with DIN 931/933, ISO 4014/4017, or GB/T 5782/5783. Custom standards are also supported.
- Competitive Pricing – Direct from our factory in Anhui, China, minimizing middleman costs.
| Parameter | Available Range / Options |
|---|---|
| Diameter (M) | M6, M8, M10, M12, M16, M20, M24, M30 (custom up to M48) |
| Length (L) | 10mm – 500mm (custom up to 1000mm) |
| Thread Pitch | Coarse (standard) or Fine (available) |
| Tensile Strength | Grade 4.8: 420 MPa; Grade 8.8: 830 MPa; Grade 10.9: 1040 MPa |
| Surface Treatment | Zinc plated (5-8μm), Hot dip galvanized (45-80μm), Plain, Black oxide |
| Packing | 25kg per box, 1000pcs per pallet, or custom packing |
Why Choose Our Through Bolts?
- Free Samples – Test before you invest. We send samples (up to 5 pieces) with no charge, just cover shipping.
- Full Size Availability – No need to compromise. We stock and manufacture every common size, plus custom sizes on demand.
- Consistent Quality – Rigid inspection process: dimensional check, hardness test, tensile test, and surface finish inspection.
- Fast Lead Times – Standard sizes shipped within 7-15 days. Custom orders typically 3-4 weeks.
- Flexible MOQs – We accept both small trial orders and large container shipments.
Our through bolts are widely used in construction framing, steel structure connections, equipment mounting, and general fabrication. The full thread design provides maximum clamping force, ideal for applications where nut engagement along the entire length is required.
Trusted Partner for Global Buyers
Hefei SENOTECH New Materials Co., Ltd has achieved an annual export value of US$1 million – US$1.5 million since our establishment in 2020. We serve clients across North America, South America, Europe, Africa, Oceania, and Asia. Our professional team ensures smooth communication and reliable after-sales support. With a strong focus on quality control and customer satisfaction, we have built long-term relationships with distributors, contractors, and OEMs worldwide.
Ready to place an order or request free samples? Contact us today to discuss your specific needs. Our sales engineers will help you choose the right material, grade, and finish. Whether you need 100 pieces or 100,000 pieces, we deliver consistent quality at competitive prices.
Frequently Asked Questions
-
What is the difference between a through bolt and a regular hex bolt?
Answer: A through bolt typically has a full thread along its entire length, while a regular hex bolt often has a partial thread. Our through bolts are fully threaded for applications requiring maximum nut engagement. -
Can I get free samples? How many pieces?
Answer: Yes, we provide free samples of up to 5 pieces for most standard sizes. You only need to pay the shipping cost. Custom sizes may require a small sample fee. -
What grades of steel do you offer?
Answer: We offer common grades: 4.8, 8.8, 10.9 for carbon steel, and A2-70, A4-80 for stainless steel. Other grades (e.g., 12.9) are available upon request. -
Do you provide custom lengths or diameters?
Answer: Absolutely. We can customize diameters beyond M30 and lengths up to 1000mm based on your drawings or specifications. -
What is the delivery time for standard sizes?
Answer: For in-stock items, delivery is 7-10 working days. For manufacturing, it’s typically 15-20 working days depending on quantity. -
How do you ensure product quality?
Answer: We follow a strict QC process: raw material inspection, in-process dimension checks, final inspection including tensile and hardness tests, and surface finish evaluation. Each batch is traceable. -
Can I get packaging to my specification?
Answer: Yes, we offer custom packaging: small boxes with labels, bulk pallets, or special crates for export. Please inform your requirements. -
Do you ship to my country? What about customs?
Answer: We ship to nearly all countries via sea, air, or express. Our shipping team handles documentation and customs clearance support. We have experience with various markets.
Send Inquiry to This Supplier
1Yr
Business Type
Trading Company
Year Established
2020
Annual Export Value
US$1 Million - US$1.5 Million
Main Markets
North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe, Central America, Northern Europe, Southern Europe, South Asia
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