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Modified Truss Head Black Self Drilling Metal Screws Self Tapping Black Screws Black Screw Self Tapping
US$1.25
1,000-9,999 kg
US$1.18
10,000-199,999 kg
US$1.05
200,000+ kg
Product specifications
Diameter
Length
Surface Treatment
Sample price:US$1.00/piece.Request sample
Product profile
Customization
AvailableMaterial
Carbon SteelType
Wafer HeadModel NO.
Truss Head Self Tapping Black ScrewGroove
CrossConnection
Common BoltHead Style
RoundStandard
DIN, GB, ANSI, BSWGrade
8.8Product Name
Wafer Head Self-Drilling Construction ScrewApplication
Sheet Metal, Roofing, ConstructionScrew Type
Self-Drilling ScrewMaterial Number
C1022A Carbon SteelMeasuring System
Metric and InchSurface Treatment
Galvanized, Ruspert, BlackThread Type
Single Thread, Twin ThreadPoint
Drill PointDiameter
7#-10# (3.9mm-4.8mm) or as RequestLength
1/2"-3" (13-75mm) or as RequestMOQ
1 Ton Per SizeCustomization 1
SizeCustomization 2
PackingCustomization 3
Surface TreatmentTransport Package
Bale Bag or Box + Carton + PalletSpecification
M3.9 M4.2 M4.8Trademark
OEMOrigin
Tianjin, ChinaHS Code
7318120090Production Capacity
5000 TonsKey features
Carbon Steel Construction: Made of C1022A carbon steel with 8.8 grade for high strength and durability.
Customizable Dimensions: Diameter and length can be customized to meet specific project requirements.
Versatile Surface Treatment: Available in Black, Yellow, Blue, Blue White Galvanized, Nickel, Ruspert, and Dacromet.
Drill Point Design: Enables drilling without pilot holes for fastening metal, plastic, and fiberglass sheets.
Wafer Truss Head: Modified wafer truss head with Phillips groove prevents slipping during installation.
OEM & ODM Services: Full customization available for size, packing, and surface treatment with OEM branding.
High Production Capacity: Annual production of 5,000 tons with 150 sets of advanced production equipment.
Strict Quality Control: Pre-production samples and final inspections ensure consistent product quality.
Company profile
CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from SamplesExport Year: 2017-03-17Nearest Port: TianjinAverage Response Time: ≤2.57h
AI-Powered supplier vetting
SummaryThe supplier is identified as a professional technical supplier providing 3D software design, ODM, OEM, and sample-based customization. It reports more than 40 employees, separate production and packing workshops, experienced workers, process inspection, annual production of about 5,000 tons, and supply to more than 20 countries. However, it has no stated inventory, overseas warehouse, overseas showroom, overseas agent or branch, and no offline trade-show participation. Manufacturing capacity lacks a valid contract with related subcontractors. Quality and complaint-handling procedures are documented and followed, but no certification is identified. Innovation evidence is limited because no new products were reported in the past year and no SDK is available. Financial credibility cannot be reliably assessed because the supplied financial records are incomplete and inconsistent. ERP integration and several related digital systems are absent or recorded as zero.
Supplier typeThe supplier explicitly identifies itself as a professional technical supplier, offers 3D software design, ODM, and OEM services, and operates production and packing workshops for screw manufacturing. This indicates a manufacturer with technical design and contract-manufacturing capabilities.
After-Sales capabilityThe supplier has documented and followed procedures for customer complaints, supplier-service assessment, and corrective/preventive actions. However, it reports no overseas warehouse, showroom, agent, branch, or inventory capability, limiting evidence of localized after-sales support.
Production capacityThe supplier reports separate production and packing workshops, more than 40 employees, experienced workers, process inspection, annual production of about 5,000 tons, and lead times within 15 workdays to one month. Against this, it has no valid contract with related subcontractors and no inventory capability; overall manufacturing capacity is explicitly supported, though supply-chain controls have limitations.
Customization capabilityCustomization is explicitly available from samples, and the supplier states that screw customization is available across quantities and sizes. Its 3D design, ODM, and OEM services further support tailored product development.
Client casesThe supplier states that it has supplied products to more than 20 countries and provides OEM services for well-known brands. These statements constitute direct evidence of international customer experience, although no customer names or detailed case examples are provided.
Product Q&A
Q:Who are we?
A:
We are based in Tianjin, China, and started in 2017, selling to South America, North America, Western Europe, South Asia, the Middle East, and Africa. There are about 11-50 people in our office.
Q:How can we guarantee quality?
A:
1) To meet the requirements of different customers for size, weight, drilling speed, etc. It can be produced according to the standards of various markets, for example, American Standard, German Standard, and National Standard.
2) Always have a pre-production sample before mass production.
3) Always final Inspection before shipment.
Q:What can you buy from us?
A:
For Screws: Drywall Screws, Drywall Drill Screws, Chipboard Screws with or without Type 17 Point, Spax Saw Thread Screws, Self Tapping decking Screws, Concrete Screws, Self Tapping Screws, Self Drilling Screws, Self Screwing Screws, Roofing Screw, Wafer Truss Head screws, Pan Head Screws, Oval Head Screws, Hex head Screws, Flat Head Screws, CSK countersunk Head Screws, Machine Screws and other Special screws.
For Binding Post Screws: Book Ring, Chicago Screws/Book Binding Screws/Male Female Scre
Q:Which specifications can you customize?
A:
1) Diameter of screws.
2) Length of screws.
3) Surface treatment, which includes the Phosphate, Galvanized, Nickel Plating, Brass Plating, Copper Plating, Ruspert, and Dacromet.
Q:What kind of packing can we supply?
A:
We can supply various custom packing for you. If you have a special packing request, kindly get in touch with us.
1) Bale Packing: 25 kgs/carton, 25 kgs/bag, 1 ton per bag, 1 ton per wooden box.
2) Individual Packing: small box + master carton + pallet. bag + master carton + pallet.
Send Inquiry
*To:
Newspider Tianjin Impex Co., Ltd.
Newspider Tianjin Impex Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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