Self Tapping Screws 1 1/4 Sourcing | Hebei Wotu Fastener Manufacturing Co., Ltd.
Source 1 1/4 Inch Self Tapping Screws with a focus on clear specifications, sample confirmation, and supplier comparison. This page helps wholesale buyers review relevant options before preparing an RFQ or approving trial samples.
Use the product matches, guide notes, and inquiry prompts to define material, head style, thread type, finish, packaging, and order needs. Clear details make communication with Hebei Wotu Fastener Manufacturing Co., Ltd. more efficient from the first contact.
Brand: Hengzuan Surface: blue and white zinc plated Specifications: in stock ST4.2/ST4.8full range of specifications, length 13~50mm in stock, support nonstandard length customization Packaging: 25kg cartons, solid wood packaging, support neutral packaging, private-label customization
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Brand: Hengzuan Surface: blue and white zinc plated, optional color zinc plated, black oxide treatment Specifications: Follow GB/T846-1985 Chinese national standard, in stock ST4.2/ST4.8/ST5.5 full range of specifications Packaging: 25kg export cartons, full pallets wrapped with film, supports neutral export packaging, private-label customization
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Brand: Hengzuan Surface: blue and white zinc plated, can be customized color zinc plated, black oxide plated Specifications: Comply with GB/T15856.2-2002 Chinese national standard, in stock ST4.2/ST4.8/ST5.5 full range of specifications, length 13mm~75mm optional, supports customized nonstandard rod lengths; drilling adaptation plate thickness 0.7~6mm Packaging: 25kg export cartons, full pallets wrapped with film, supports neutral export packaging, customer private-label customization
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Brand: Wotu Surface: blue and white zinc plated Specifications: Chinese national standard 6#/8#/10#/12#/16#/20#, rod length 35mm~250mm full range of specifications in stock, supports nonstandard length customization Packaging: 25kg cartons, full pallets packed on wooden pallets, support neutral packaging, private-label customization
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Brand: Hengzuan Surface: blue and white zinc plated, optional color zinc plated, black oxide treatment Specifications: in stock ST3.5/ST4.2/ST4.8 mainstream specifications, rod length 16~50mm full size range, supports nonstandard length customization, suitable for drilling steel sheets 2~5mm Packaging: 25kg cartons, full pallets packed on wooden pallets, support neutral packaging, private-label customization
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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
Read MoreProduct Guide for Specification Review
The related product list helps you compare 1 1/4 Inch Self Tapping Screws by actual product direction rather than keyword wording alone. Check whether each product supports sample approval workflow, then use the table below to prepare a clearer RFQ.
| Criterion | What To Check | Why It Matters | Buyer Tip |
|---|---|---|---|
| Application fit | Match substrate, pilot need, and load. | Prevents poor bite in sample tests. | Share panel thickness in RFQ. |
| Size clarity | Confirm 1 1/4 in length and diameter. | Avoids mixed spec quotations. | Send drawing or standard code. |
| Head and drive | Select pan, flat, hex, Phillips, or Torx. | Affects tool access and finish. | Compare with current sample. |
| Material and coating | State steel grade, stainless, zinc, or black. | Supports corrosion and cost review. | Request coating thickness data. |
| Sample approval | Ask for sample qty, lead time, and test report. | Helps compare suppliers fairly. | List inspection points upfront. |
1 1/4 Inch Self Tapping Screws are typically selected by matching the screw structure to the application material, installation method, finish requirement, and quantity plan. Buyers should confirm dimensions, drive type, head type, thread design, surface treatment, and packaging before requesting a formal quotation.
For wholesale sourcing, the best next step is to share application details, sample requirements, target order volume, destination, and any customization needs. This helps the supplier compare suitable products and provide more relevant technical and commercial information.
Begin with the application. Specify whether the screws will be used with metal, wood, plastic, or another base material, and describe the installation environment. For 1 1/4 Inch Self Tapping Screws, application fit is important because the head style, point type, thread design, and finish can affect suitability.
Prepare a clear RFQ package before comparing suppliers. Include size, material, surface finish, drive type, head type, quantity range, packaging preference, destination port or delivery location, and expected purchasing timeline. If you have drawings, photos, samples, or previous order references, include them for faster review.
For sample approval workflows, confirm what the sample should prove. Buyers may need to check appearance, dimensions, fit, assembly performance, coating, packaging, or labeling. Ask how sample information will be recorded so it can be matched with bulk order specifications later.
When reviewing supplier responses, look beyond unit price. Compare how clearly each supplier answers technical questions, confirms available options, explains customization limits, and supports quality checks. A well-structured reply can reduce revision time and help your team approve the correct specification.
| Criteria | Importance | Description | Example Options |
|---|---|---|---|
| Material | High | Affects strength and corrosion behavior | Carbon steel or stainless steel |
| Head and drive | High | Controls tool fit and installation stability | Pan head, Phillips drive |
| Point style | Medium | Impacts tapping performance in substrate | Sharp point or Type AB |
| Coating | Medium | Supports surface protection needs | Zinc plated finish |
| Sample review | High | Confirms fit before bulk order | Test in target material |
Recommended Products
The top product section highlights related screw options that may fit different assembly needs, quotation stages, or export order plans. Compare these items to identify which products should be included in your inquiry, sample request, or supplier evaluation with Hebei Wotu Fastener Manufacturing Co., Ltd.
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Buyer feedback on this page is useful when preparing an RFQ, reviewing export order requirements, organizing sample questions, or confirming application details. Use these comments as reference points for the type of information to clarify before purchasing.
I used the self tapping screws 1 1/4 tag to frame questions about thread type, head style, and material fit before contacting suppliers.
I was comparing 1 1/4 Inch Self Tapping Screws for panel assembly, and this tag page helped me separate must-have dimensions from optional preferences.
I came here while preparing a maintenance parts inquiry, and the 1 1/4 self tapping screw references made my specification checklist less vague.
I needed clearer language for a cabinet hardware RFQ, and the self tapping screws 1 1/4 content helped me ask about drive and finish.
Include material, head style, drive type, thread type, point style, diameter, coating, application material, drawing or standard reference, packaging preference, and expected order quantity so suppliers can compare specifications clearly.
Self tapping screws form or cut mating threads in a prepared or suitable base material, while self drilling screws include a drill point. Compare substrate thickness, pilot hole needs, installation speed, and required holding strength.
Check dimensions, thread consistency, head recess fit, point sharpness, coating appearance, installation behavior, torque response, and compatibility with the target material before confirming bulk order specifications.
Important details include screw diameter, thread pitch, head type, drive recess, point geometry, material grade, surface finish, and the thickness or hardness of the receiving material.
Buyers can request checks on key dimensions, thread profile, surface finish, head formation, drive engagement, coating coverage, and sample installation results to reduce mismatch risk before export order confirmation.
Ask how specification deviations, documentation questions, installation feedback, packaging issues, or repeat order adjustments are handled, and clarify what records or samples are needed for technical review.
Send your requirements for 1 1/4 Inch Self Tapping Screws with as much detail as possible, including application, size, material, finish, head type, drive type, quantity, packaging, sample needs, and delivery destination. The clearer your inquiry, the easier it is to compare suitable options.
