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العربية High Strength Flange Bolts for Export Supply
Class 10.9 hex flange bolts exporter
XZ Fastener exports Class 10.9 hex flange bolts for machinery, automotive parts, construction hardware, equipment frames, brackets, and high clamp load assemblies. The integrated flange head helps spread load and can reduce the need for a separate washer in selected applications. Bolts can be supplied to DIN 6921, ISO 4162, or drawing requirements, with metric coarse or fine thread options available according to order requirement. Export orders can be supplied in carbon steel or alloy steel with black oxide, zinc flake, phosphate, zinc plated, or other finishes reviewed upon request.
Quick Specs
What Buyers Should Know Before Sourcing Class 10.9 Hex Flange Bolts
Class 10.9 hex flange bolts are used where a high strength metric bolt and a larger bearing surface are needed in one part. When comparing fastener products, buyers should confirm dimensional standard, flange diameter, head style, thread pitch, thread length, serrated or non-serrated flange, material, heat treatment, finish, and export packing requirements.
The flange can help distribute load, but it should still be checked against the mating surface, slot size, clearance hole, and required clamp load. If an assembly requires special flange diameter, non-standard length, modified thread, or drawing-based geometry, XZ Fastener can review related custom fasteners together with the flange bolt order.
Export Order Checklist
- Confirm DIN 6921, ISO 4162, or drawing-based dimensions.
- Send diameter, pitch, length, thread length, and flange style.
- Specify Class 10.9 mechanical property requirement.
- Review finish choice for corrosion resistance, friction, and assembly behavior.
- Provide packing method, carton weight, pallet plan, shipping marks, and inspection requirements.
Common Purchasing Descriptions
- Class 10.9 hex flange bolts, DIN 6921, non-serrated flange, black oxide.
- ISO 4162 hexagon flange bolts, Class 10.9, metric coarse thread.
- Class 10.9 serrated flange bolts, zinc flake coating, export carton packing.
- Metric hex flange bolts, partial thread, phosphate and oil finish.
- High strength flange bolts packed by size, item code, carton, and pallet label.
For mixed export purchasing lists, Class 10.9 flange bolts may be ordered together with DIN 933 full thread hex bolts, Grade 8.8 carbon steel hex bolts, metric hex head bolts, zinc plated DIN 933 bolts, black oxide DIN 933 bolts, and hot dip galvanized DIN 933 bolts. Buyers can combine these with standard fasteners for broader assembly supply.
Detailed Specifications Table
| Specification Item | Typical Options | Buyer Notes |
|---|---|---|
| Product Name | Class 10.9 hex flange bolts | High strength metric bolts with integrated flange bearing surface. |
| Dimensional Standard | DIN 6921, ISO 4162, or buyer drawing | Confirm flange diameter, head height, wrench size, and serration requirement. |
| Thread | Metric coarse or fine thread, full or partial thread | Send diameter, pitch, length, and thread length requirement. |
| Strength Class | Class 10.9 | Used where higher tensile strength and controlled clamp load are required. |
| Material | Medium carbon steel or alloy steel | Carbon steel fasteners and alloy steel options can be reviewed by application. |
| Finish | Black oxide, phosphate, zinc flake, zinc plated, selected coatings | For high strength bolts, coating process and embrittlement risk should be reviewed. |
| Inspection | Dimension check, thread gauge, hardness, tensile test, surface inspection | Inspection reports can be arranged according to purchase order requirement. |
| Export Packing | Bulk carton, small box, bag, wooden case, pallet, or assembly kit | Labels, barcodes, carton weight, shipping marks, and pallet layout are available upon request. |
Final specification should be confirmed by purchase order, drawing, sample, or project requirement before production and shipment arrangement.
Material and Grade Explanation
Class 10.9 hex flange bolts are typically produced from heat treated medium carbon steel or alloy steel. The property class is selected for assemblies that need higher tensile strength than common general-purpose bolts, while the flange head provides a wider bearing surface under the head.
Compared with lower strength bolts, Class 10.9 bolts require closer control of heat treatment, thread quality, surface condition, and coating process. Buyers working with different metric standards can review the DIN and ISO fastener standards guide when comparing DIN 6921, ISO 4162, DIN 933, and related product descriptions.
Grade Selection Notes
- Class 10.9 is used for higher strength metric assemblies.
- Flange heads help spread load on compatible mating surfaces.
- Serrated flange options may increase resistance to loosening in selected applications.
- Mating threads, washers, and nuts should be matched to the bolt strength and finish.
Surface Finish Selection Guide
General Industrial Finishes
Black oxide and phosphate finishes are commonly selected for Class 10.9 flange bolts used in machinery, equipment, and controlled indoor environments. Zinc plated finish can be requested, but process control should be discussed because high strength bolts require careful handling of embrittlement risk.
Corrosion-Oriented Finishes
Zinc flake coatings are often reviewed for higher corrosion resistance on high strength fasteners. Hot dip galvanized finish may be considered only when the full specification, dimensional fit, thread engagement, and application conditions are checked. Related coated fasteners can be quoted together for consistent finish planning.
Manufacturing and Quality Control
Class 10.9 hex flange bolts are produced through material preparation, forming, thread rolling, heat treatment, surface finishing, inspection, and packing. Export supply control focuses on mechanical property, flange geometry, thread fit, surface finish, head dimensions, and packing accuracy according to order requirement.
For export orders that include related industrial bolts, nuts, and washers, XZ Fastener can help organize item-code sorting, mixed cartons, pallet labels, shipping marks, and inspection documents. This supports equipment assembly, construction hardware, and distributor stock replenishment with fewer receiving errors.
Typical Inspection Points
- Head height, across flats, flange diameter, and serration review.
- Thread gauge inspection for go and no-go fit.
- Hardness and mechanical property review according to order requirement.
- Surface finish appearance and coating consistency inspection.
- Packing quantity, carton label, shipping mark, and pallet plan verification before shipment.
Applications
- Automotive brackets, chassis parts, and equipment mounting points.
- Machinery frames, conveyor systems, and industrial equipment bases.
- Construction hardware, steel supports, guard panels, and maintenance assemblies.
- Distributor stock, export replenishment, and assembled fastener kits.
Class 10.9 hex flange bolts are often chosen when buyers need a strong metric bolt with a built-in bearing surface. For assemblies that still require additional load distribution, XZ Fastener can review matching flat washers and related parts according to the drawing and installation conditions.
How to Get a Faster Quotation
To receive a clear quotation for Class 10.9 hex flange bolts, send the standard or drawing, diameter, pitch, length, thread length, flange type, finish, quantity, packing method, delivery destination, and inspection requirements. If the bolt is used in automotive, machinery, or structural hardware, include application notes and any required test reports.
For export orders, contact XZ Fastener with a structured size list and preferred packing details. Information such as carton weight, item labels, pallet size, shipping marks, coating requirement, and inspection documents helps confirm production and shipment planning more efficiently.
FAQ
What standard is commonly used for Class 10.9 hex flange bolts?
DIN 6921 and ISO 4162 are common references for metric hex flange bolts. Buyers should confirm the required standard or provide a drawing when flange diameter, head height, or serration details are critical.
What material is used for Class 10.9 hex flange bolts?
Class 10.9 hex flange bolts are typically made from heat treated medium carbon steel or alloy steel. The exact material can be reviewed according to order requirement and project specification.
Can Class 10.9 flange bolts be supplied with serrated flange?
Yes. Serrated and non-serrated flange options can be reviewed according to drawing, standard, and application requirement. Buyers should specify this clearly in the inquiry.
Which finishes are suitable for Class 10.9 flange bolts?
Black oxide, phosphate, zinc flake, zinc plated, and selected coatings can be reviewed. For high strength bolts, coating process and hydrogen embrittlement risk should be discussed before order confirmation.
Can Class 10.9 hex flange bolts be supplied in fine thread?
Metric coarse and fine thread options can be supplied according to order requirement. Please provide diameter, pitch, length, and thread length when requesting a quotation.
What inspection documents can be requested for export orders?
Dimension inspection, thread gauge check, hardness report, mechanical property report, coating inspection, packing verification, and other documents can be arranged according to purchase order requirement.
Send Your Class 10.9 Hex Flange Bolt Inquiry
For a faster quotation, send your size list, standard or drawing, finish, quantity, packaging method, delivery destination, and inspection requirements. XZ Fastener can review export order details, flange type, coating selection, carton labels, pallet plan, shipping marks, mechanical testing, and any drawing-based requirements before production or shipment arrangement.