4.8 grade M12X70 steel zinc plated carriage bolt DIN603
Grade: 4.8, 8.8, 10.9, 12.9, Material: Q235, 35K, 45K, 40Cr, 20Mn Tib, 35Crmo, 42Crmo, Surface Treatment: Blackened, Electrogalvanized, Dacromet, Hot-dip Galvanized, Galvanized, etc!
Read MoreSourcing Carriage Screws from China: Factory & Supplier Guide | Hebei Wuyang Fastener Co., Ltd
Sourcing Carriage Screws from China: Factory & Supplier Guide
This page supports import distributors building a shortlist of China carriage screw manufacturers, factories, and suppliers. It brings together product references, specification notes, and sourcing checks so your first inquiry is more focused and easier for suppliers to respond to accurately.
Packing method and export handling are practical priorities at this stage. Review the product matches, comparison notes, and buyer feedback below before finalizing your requirements or sending an RFQ.
Hot Selling Product
Carbon steel color white blue zinc plated galvanized screws
EXW PRICE : 720USD-910USD/TON Min.Order Quantity:2TONS PACKAGING:BAG/BOX WITH PALLET PORT:TIANJIN/QINGDAO/SHANGHAI/NINGBO DELIVERY:5-30DAYS ON QTY PAYMENT:T/T/LC Supply Ability:500 TON PER MONTH
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Yellow zinc-plated carbon steel bugle head self-tapping screws
EXW PRICE : 720USD-910USD/TON Min.Order Quantity:2TONS PACKAGING:BAG/BOX WITH PALLET PORT:TIANJIN/QINGDAO/SHANGHAI/NINGBO DELIVERY:5-30DAYS ON QTY PAYMENT:T/T/LC Supply Ability:500 TON PER MONTH
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Stainless steel SS410 angle head self-tapping screws
EXW PRICE : 720USD-910USD/TON Min.Order Quantity:2TONS PACKAGING:BAG/BOX WITH PALLET PORT:TIANJIN/QINGDAO/SHANGHAI/NINGBO DELIVERY:5-30DAYS ON QTY PAYMENT:T/T/LC Supply Ability:500 TON PER MONTH
Read MoreHow To Compare carriage screw Options
Carriage Screw Product Reference
The related product list helps you compare China Carriage Screw Manufacturer, Factory & Suppliers by actual product direction rather than keyword wording alone. Check whether each product supports supplier shortlist review, then use the table below to prepare a clearer RFQ.
| Criterion | What To Check | Why It Matters | Buyer Tip |
|---|---|---|---|
| Export Packing Method | Confirm bulk, box, or pallet options and moisture-proof inner wrap | Poor packing causes transit damage and customs delays for import distributors | Request packing photos and ask if cartons are double-walled for sea freight |
| Customization Capability | Verify custom length, diameter, head style, and surface finish availability | Distributors reselling to OEMs need spec flexibility without MOQ penalties | Ask for a sample run on non-standard dimensions before placing bulk RFQ |
| Material & Grade Certification | Request mill certificates for Grade 4.8, 8.8, or stainless steel as applicable | Undocumented material grades create liability risk in downstream markets | Cross-check certificate batch numbers against shipment lot numbers on arrival |
| Sample Confirmation Process | Clarify lead time, cost, and approval steps for pre-production samples | Sample stage is the lowest-cost point to catch dimensional or finish issues | Submit your own drawing or DXF file to reduce interpretation errors |
| After-Sales & Claim Handling | Ask for written policy on short shipments, defects, and replacement timelines | Import distributors absorb losses if supplier claim process is slow or unclear | Test responsiveness before ordering by submitting a minor technical question |
How To Choose carriage screw Supplier
Selecting a China carriage screw manufacturer, factory, or supplier involves more than comparing a product catalog. Useful evaluation points include specification scope, available customization, material and finish options, and how clearly the supplier communicates export and packing arrangements.
A well-prepared inquiry explains the application context, destination market, target quantity, and any non-negotiable specification details. This page is organized around customization planning and buyer risk reduction to help you move from a broad keyword to a structured supplier conversation.
Begin by defining how carriage screws will be used in your product line or resale catalog. Identify which dimensions, materials, head styles, and surface finishes are fixed requirements and which can be adjusted based on supplier capability. A clear application brief reduces back-and-forth and helps suppliers recommend the most relevant items from their range.
When comparing suppliers, review size range, thread type, shank length, material grade, plating or coating options, and minimum order quantities. If your project involves custom labeling, private packaging, or market-specific certifications, note these early. Suppliers who can confirm these details at the inquiry stage are generally easier to work with through sampling and production.
Before requesting a quotation, prepare your expected quantity range, shipping destination, required lead time, and the internal approval steps your team follows before placing an order. For distributors planning repeat orders, it is also worth asking how the supplier handles sample confirmation, batch consistency, and packaging standards across multiple shipments.
When reviewing supplier responses, pay close attention to how packing method and export handling are described. Suppliers who ask relevant follow-up questions about your destination, carton requirements, or container planning tend to be more reliable partners than those who respond only with a standard price list. This detail often reflects broader quality and communication standards.
| Criteria | Importance | Description | Example Options |
|---|---|---|---|
| Head Style | Application fit | Carriage screws have a smooth dome head; no tool access needed on top, unlike hex or pan head bolts. | Wood deck assembly vs. metal bracket bolting |
| Neck Type | Installation method | Square neck under head grips into wood to prevent rotation; standard bolts lack this self-locking feature. | Timber framing vs. through-bolt applications |
| Surface Coating | Corrosion resistance | Options range from zinc plating to hot-dip galvanizing; choice depends on exposure environment and buyer market specs. | Indoor furniture vs. outdoor fencing hardware |
| Customization Scope | Order planning | Length, diameter, thread pitch, and packing format can be tailored; requires drawing submission and sample confirmation before bulk production. | Private-label retail pack vs. bulk industrial supply |
| Export Packing | Distributor risk reduction | Packing method affects transit damage, customs labeling, and shelf-ready presentation; must be specified clearly in RFQ stage. | Bulk carton vs. counter display box with UPC |
Top Product Matches
Recommended Products
Top product matches should be reviewed by fit, specification clarity, customization readiness, and how well they support customization planning. Use these factors to shortlist practical options before contacting the supplier.
Top Selling Product Selection Factors
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The feedback below reflects experiences from buyers at similar stages, including those planning custom projects, checking specifications against existing product lines, comparing supplier options, or preparing an RFQ. Use these notes as a reference when forming your own evaluation criteria.
This page helped me quickly identify which carriage screw specifications mattered most when reaching out to China suppliers for my woodworking hardware project.
I was comparing multiple China carriage screw factories and this page gave me the right terminology to ask smarter questions during my first inquiry call.
Before sending my carriage screw RFQ to Chinese suppliers, I used this page to confirm thread standards and head dimensions I needed to specify upfront.
The carriage screw details here made it easier to communicate material grade and finish requirements clearly to a China manufacturer without back-and-forth confusion.
Frequently Asked Questions
How do China carriage screws differ from standard hex bolts for distributor import planning?
Carriage screws feature a smooth domed head and square neck that locks into wood, unlike hex bolts requiring a wrench on both ends. This distinction affects packaging classification, catalog listings, and end-user application fit for distributors.
Can Hebei Wuyang Fastener customize carriage screw dimensions and thread specifications for private-label orders?
Yes, customization options typically include shank diameter, thread pitch, length, and head profile. Buyers should submit detailed drawings or samples during RFQ to confirm feasibility before production commitment and tooling decisions.
What technical documentation should import distributors request when confirming carriage screw samples from a China factory?
Request dimensional inspection reports, material test certificates, surface coating thickness data, and thread gauge records. These documents support incoming quality checks and help distributors verify compliance with their regional market requirements.
How are carriage screws typically packed and prepared for export shipment from Chinese manufacturers?
Common export packing includes bulk inner bags within cartons, or counter display boxes for retail channels. Distributors should specify packing weight limits, carton marking requirements, and moisture-barrier needs during order confirmation to avoid rework.
What quality control steps should buyers expect during carriage screw production at a China supplier factory?
Typical checks include incoming raw material verification, in-process dimensional sampling, thread gauge inspection, and surface finish review before packing. Buyers can request inspection reports or arrange third-party audits at agreed production milestones.
Which application environments determine whether a distributor should source plain steel or coated carriage screws from China?
Indoor dry applications may suit plain or zinc-plated screws, while outdoor, marine, or high-humidity environments typically require hot-dip galvanized or stainless options. Clarifying end-use conditions during RFQ prevents costly specification mismatches after import.
Leave Your Message
Use the inquiry form to share your application details, target specifications, destination market, and quantity range. A complete submission helps the team at Hebei Wuyang Fastener Co., Ltd respond with accurate product matches and relevant export information.
