400 Hex Washer Head Self-Drilling Tek Screw Sourcing | Hebei Wotu Fastener Manufacturing Co., Ltd.
For bulk purchasing, a 400 Hex Washer Head Self-Drilling Tek Screw should be reviewed as a specification item, not just a fastener name. Material grade, thread type, drill point, washer head style, coating, and packing method all affect whether the order fits your production or project use.
This page helps operations managers organize supplier comparisons, prepare RFQ details, and review quality questions before ordering from Hebei Wotu Fastener Manufacturing Co., Ltd.
Brand: Hengzuan Surface: blue and white zinc plated, color zinc plated can be customized on request Specifications: in stock 4.2/4.8/5.5/6.3mm mainstream wire diameter, length 20mm~165mm full range of specifications, nonstandard rod length, drill point size can be customized Packaging: 25kg export cartons, full pallets wrapped with film, supports neutral export packaging, customer private-label customization
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Brand: Hengzuan Surface: screw color zinc plated + hex head outdoor paint Specifications: ST5.5, ST6.3, rod length 25mm～120mm in stock, supports nonstandard customization, suitable for drilling steel sheets 2～5mm Packaging: 25kg cartons, whole wooden pallets
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Brand: Hengzuan Surface: screw color zinc plated, head color nylon protective cap, multiple colors available Specifications: Chinese national standard ST5.5, ST6.3 mainstream caliber, rod length 25mm~125mm full range of specifications in stock, supports nonstandard length customization, suitable for drilling steel sheet thickness 2~6mm Packaging: 25kg cartons, full pallets packed on wooden pallets, support neutral packaging, private-label customization
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Brand: Hengzuan Surface: color zinc plated Specifications: in stock ST5.5/ST6.3 regular diameter, rod length 19mm~75mm in stock, supports nonstandard customized, suitable for drilling steel sheet thickness 2~5mm Packaging: carton packaging, full pallets wooden pallet packaging, support neutral packaging, private-label customization
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Brand: Hengzuan Surface: Dacromet anti-corrosion coating Specifications: in stock ST5.5/ST6.3 mainstream caliber, rod length 50mm~150mm, extended full range of specifications, supports nonstandard extra long customized, suitable for drilling steel sheet thickness 2~6mm Packaging: 25kg export cartons, full pallets wrapped with film, supports neutral export packaging, private-label customization
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Brand: Hengzuan Surface: Color zinc plated, optional blue-white zinc plated, black oxide treatment Specifications: Chinese national standard ST4.2/ST4.8/ST5.5 specifications, rod length 13~50mm in stock, supports nonstandard length customization Packaging: 25kg export cartons, full wooden pallets wrapped with film, supports neutral packaging, private-label customization
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The related product list helps you compare 400 Hex Washer Head Self-Drilling Tek Screw by actual product direction rather than keyword wording alone. Check whether each product supports bulk purchasing evaluation, then use the table below to prepare a clearer RFQ.
| Criterion | What To Check | Why It Matters | Buyer Tip |
|---|---|---|---|
| Material grade | Confirm 400-series stainless spec | Matches corrosion and strength needs | Ask for grade certificate |
| Head configuration | Hex washer head dimensions | Affects drive fit and sealing area | Share socket size needs |
| Drill point | Tek point type and length | Must match sheet thickness | List substrate stack-up |
| Size range | Diameter, length, thread pitch | Prevents mismatch in bulk orders | Use a drawing or sample |
| Quality review | Thread, point, washer, finish | Reduces installation issues | Request pre-shipment photos |
A 400 Hex Washer Head Self-Drilling Tek Screw is typically sourced by confirming the screw size, material, finish, head configuration, drill point, washer requirements, and intended installation material. These details help the supplier check whether the product matches the required application.
For a faster quotation, provide quantity, drawing or sample reference if available, packaging needs, destination, and inspection expectations. Clear specification communication reduces back-and-forth and supports a more accurate bulk purchasing evaluation.
Start with the installation environment. Confirm whether the screw will be used with metal sheet, light steel structure, roofing, cladding, or another assembly. Then match the drill point, thread design, and hex washer head configuration to the base material and fastening method.
Review the material and surface treatment carefully. Ask the supplier to clarify available steel options, coating choices, corrosion-resistance considerations, and any limits related to the selected finish. If the order requires consistent appearance, include color, plating, or head marking requirements in the RFQ.
For operations teams, size control and packing details are important. Provide diameter, length, washer requirement, carton weight preference, pallet needs, label format, and export documentation requirements. If your internal approval process requires samples, state the sample quantity and test items early.
When comparing suppliers, look beyond unit price. Check whether responses address your specification checklist, quality review process, lead time, customization options, and after-sales communication. A supplier that confirms uncertain details before quoting is often easier to manage for repeat orders.
| Criteria | Importance | Description | Example Options |
|---|---|---|---|
| Material grade | High | Confirms corrosion and strength fit | 400 stainless series |
| Drill point | High | Matches sheet thickness and drilling need | Tek point style |
| Washer setup | Medium | Affects sealing and bearing area | Hex washer head |
| Thread specification | High | Controls grip and fastening stability | Coarse or fine thread |
| Packing details | Medium | Supports export order handling | Bulk carton format |
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Use buyer feedback as a prompt for your own supplier questions. Common review points include specification clarity, sample handling, packaging consistency, export order communication, and whether the delivered fasteners match the confirmed requirements.
I used this tag page to separate coating, head style, and drilling point questions for our 400 hex washer head self-drilling tek screw sourcing list.
I found it useful for checking whether our panel fastening notes matched the 400 hex washer head self-drilling tek screw terminology used by suppliers.
I needed a cleaner way to ask about 400 hex washer head self-drilling tek screw options, and this page helped me organize the discussion.
I used the 400 hex washer head self-drilling tek screw page to clarify thread, washer head, and drilling feature points for our purchasing team.
Specify the stainless steel grade, required hardness range, surface finish, washer material, and any corrosion expectations. For bulk purchasing evaluation, also state the mating material and environment to help confirm practical application fit.
List diameter, length, thread type, drill point style, washer diameter, and hex drive size. These details help suppliers confirm whether the screw can drill and fasten the target sheet thickness without mismatch.
Request dimensional checks, thread consistency review, head forming inspection, drill point sharpness assessment, and surface finish observation. Ask for sample photos or sample pieces where possible to compare against the required specification checklist.
Share base material, sheet thickness, fastening sequence, indoor or outdoor use, expected exposure, and installation tool type. Clear application data helps match the 400 Hex Washer Head Self-Drilling Tek Screw to the working conditions.
Customization discussions may include size, washer type, finish, packing format, marking, and documentation needs. Confirm feasible options directly with the supplier and provide drawings or reference samples to reduce interpretation gaps.
Ask how specification disputes, dimensional deviations, packaging damage, and technical installation questions are handled. Also clarify the contact process for order traceability, replacement discussion, and documentation support after goods are received.
Send your required size, material, finish, washer configuration, quantity, destination, and any drawings or sample photos. Hebei Wotu Fastener Manufacturing Co., Ltd. can review the details and respond with matching product information.
