QBH A325/A325M Heavy Hex Structural Bolt, Nut and | RFQ Sourcing Details
Building Materials · Quote on request
This is a product procurement detail page: check specs, images, category context and related sourcing paths before sending an RFQ.
Product specs
Buyer's Digest
Use this page as a product-first sourcing checkpoint before sending an RFQ. Category: Building Materials. Confirm application fit, capacity, materials, destination, lead time and compliance requirements before comparing suppliers.
Original product description
The QBH A325/A325M series is a range of heavy hex structural bolts offered with matching nuts and washers for bolted steel construction. The source identifies applications including structural joints, mating I-beams and scaffolding connections.
Available nominal sizes are listed as 1/2–1-1/2 inch and M12–M36, with full-thread and half-thread configurations. The listed bolt material is carbon steel, with property classes 8.8, 10.9 and 12.9 offered. Surface-treatment options include black, zinc-plated, hot-dip galvanized, Dacromet and GEOMET finishes.
The also identifies 2H nuts and F436M washers. Hot-dip galvanized bolts are described as having a thick zinc coating for corrosion resistance and should be paired with compatible hot-dip galvanized steel nuts.
For partially threaded bolts, the unthreaded grip can be positioned through the joint shear plane when the engineered connection requires it. The source associates the series with ASTM A325/A325M and states that ASTM F3125/F3125M superseded the former A325 and A325M specifications.
Dimensions are described as meeting ASME B18.2.6. Buyers should place orders against the governing project specification rather than relying on the legacy A325/A325M designation alone. Packaging options include bulk or boxed packing in cartons, polybags or buckets.
Listed pallet options include solid-wood pallets, plywood pallets and bulk ton boxes or bags. A separate basic-information entry specifies 25 kg boxes with bulk palletization, while the FAQ lists cartons of approxima;final packing therefore requires confirmation.
Procurement confirmation: Before ordering, specify the required standard edition and designation, inch or metric size, thread pitch, overall length, full- or partial-thread form, grip length, property class, coating, nut specification, washer specification and required assembly contents.
Also confirm whether test documentation, coating inspection, lot traceability, dimensional inspection or pre-shipment inspection is required.
The buyer should verify coating compatibility, corrosion-exposure suitability, connection design, installation method, tightening requirements and packing configuration for the particular project.
QBH | Applications and Buyer Notes
QBH is organized as a sourcing-ready Building Materials reference. The page combines visible product or company data with structured procurement cues so buyers can compare application fit, specifications, quantity, quality requirements and lead-time questions
Applications
- Initial shortlist building for related product or supplier options.
- Specification and application fit review before bulk purchasing.
- Category, keyword and detail-page comparison before sending an RFQ.
Key specifications
- Category
- Building MaterialsBased on visible page data; confirm exact value in the RFQ.
- Unit
- setBased on visible page data; confirm exact value in the RFQ.
- Material
- Carbon steelBased on visible page data; confirm exact value in the RFQ.
- Head style
- Heavy hexBased on visible page data; confirm exact value in the RFQ.
- Size range
- 1/2–1-1/2 inch;M12–M36Based on visible page data; confirm exact value in the RFQ.
- Product type
- Heavy hex structural bolt, nut and washer assemblyBased on visible page data; confirm exact value in the RFQ.
- Series / model
- QBH-A325 Series;QBH-A325MBased on visible page data; confirm exact value in the RFQ.
- Thread options
- Full thread or half threadBased on visible page data; confirm exact value in the RFQ.
Buyer tips
- State quantity range and split-delivery needs before price comparison.
- Add certification, material or inspection standards when they affect acceptance.
- For time-sensitive projects, include target arrival date and destination.
- For special applications, describe operating condition, installation environment and duty cycle.
FAQ
What should buyers confirm first?
Confirm application, specification, quantity, destination and lead-time requirements before comparing offers.
Can buyers inquire when specs are incomplete?
Yes. Add model, material, size, use case and inspection needs in the RFQ to make replies comparable.
How should this listing be evaluated?
Check title, category, specifications and related keywords against the actual sourcing requirement.
Source mix: ugc
Key specifications
Product sourcing keywords
These terms come from the title, visible copy and specifications, and link into matching aggregate pages.
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These links connect the detail page back to category hubs, procurement aggregates and knowledge pages so new inventory is not isolated.
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