Tiếng Việt 
English 
Español 
Русский 
العربية When buyers ask Chinese fastener suppliers for a quotation, the fastest reply usually comes from the clearest RFQ. A short message like “Please quote M12 bolts” is not enough for accurate pricing. The supplier still needs to confirm the standard, grade, material, surface finish, quantity, packaging, and shipping terms.
In fastener sourcing, unclear specifications often lead to wrong prices, repeated questions, or even wrong production. A good RFQ saves time for both sides.
Why Accurate RFQ Details Matter
Fasteners may look similar, but small details change cost and production method. An M16 bolt in class 8.8 zinc plated is not the same as an M16 bolt in class 10.9 hot-dip galvanized. Stainless steel 304 and 316 also have different price levels and corrosion performance.
Buyers can review common fastener products before preparing a complete inquiry.
Basic Information Suppliers Need
| RFQ Item | What to Provide | Why It Matters |
|---|---|---|
| Product type | Bolt, nut, washer, screw, anchor, threaded rod | Defines the product category |
| Standard | DIN, ISO, ASTM, ANSI, JIS, or drawing | Controls dimensions and tolerance |
| Size | Diameter, length, thread pitch | Prevents wrong specification |
| Material | Carbon steel, stainless steel, alloy steel | Affects strength and price |
| Grade | 4.8, 8.8, 10.9, 12.9, A2-70, B7, etc. | Defines mechanical performance |
| Surface finish | Zinc plated, HDG, black oxide, Dacromet, plain | Affects corrosion resistance |
| Quantity | Pieces, sets, kg, or tons | Controls unit price and MOQ |
| Packaging | Bulk, small box, carton, pallet, private label | Affects cost and delivery |
When Drawings or Samples Are Needed
For Standard Fasteners
If the item follows common DIN, ISO, or ASTM standards, a clear product description may be enough. Buyers can compare standard fasteners when the required part is a catalog item.
For Custom Fasteners
If the fastener has a special head, non-standard length, special thread, bend, hole, groove, or unusual material, drawings or samples are important. In this case, suppliers need dimensions, tolerances, material, grade, finish, and application details.
For drawing-based parts, use custom non-standard fasteners as the correct sourcing direction.
Additional Details That Improve Quote Accuracy
Buyers should also include:
- Application or working environment
- Required certificates or inspection reports
- Matching nuts and washers
- Delivery deadline
- Destination port or country
- Trade terms such as EXW, FOB, CIF, or DDP
- Any salt spray, hardness, or tensile test requirement
For outdoor or corrosion-sensitive orders, review coated fasteners before confirming the finish.
Final Advice
A precise fastener RFQ helps Chinese suppliers quote faster and more accurately. The best inquiry should answer three questions: what is the fastener, how will it be used, and what quality requirements must it meet?
Clear information at the RFQ stage prevents confusion later in production, inspection, packing, and delivery.