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Male and Female Locking Screws Chicago Combination Screw Nut
US$0.01-0.14
1,000 Pieces
Sample price:US$0.00/piece.Request sample
Product profile
Customization
AvailableMaterial
BrassSurface Treatment
Nickel-PlatedModel NO.
binding screwsHead Type
RoundName
Chicago ScrewProduction Capacity
20000/MonthKey features
Customizable Dimensions: Male screw diameter 4mm or as request; Female screw diameter 5mm or as request; Lengths adjustable.
Versatile Surface Options: Available in brass, nickel, copper, or black finish to suit different aesthetic needs.
Dual Drive Compatibility: Head drive available in smooth or slotted styles for various tool requirements.
High Security Fastening: Combination design securely fastens workpieces, official papers, and files.
Rust Resistant Material: Constructed from brass with nickel plating for excellent corrosion resistance.
Smooth Operation: Designed for quick operation with no burrs or scratches on the surface.
Eco-Friendly Production: Manufactured with environmental protection standards in mind.
Bulk Packaging Available: Packed in bags, cartons, and pallets; 20 tons per 20ft container.
Company profile

Business Type: Manufacturer/FactoryExport Year: 2017-12-04Nearest Port: TIANJINAverage Response Time: ≤1.82hTerms of Payment: LC, T/T, PayPal, etc.International Commercial Terms(Incoterms): FOB, CFR, CIF, DAT, FAS, DDP, DAP, CIP, CPT, FCA, EXW
AI-Powered supplier vetting
SummaryTianjin Spider Impex Co., Ltd. is a China-based limited company identified as both a manufacturer/factory and a trading company, supplying dental consumables, equipment, and related products. It reports ISO 9001 certification, three production lines, 6–10 quality-control staff, and 6–10 years of R&D engineer experience. The supplier serves broad international markets, with 71%–90% of sales reportedly from exports, and is located near Tianjin port. It states that it provides after-sales service, stable supply, and quality control, but these claims are not independently substantiated in the provided information. Production lead time is stated as within 15 working days off-peak and 2–3 months during peak periods. Evidence of customer activity is limited to two recorded transactions, each associated with one buyer.
Supplier typeThe supplier is identified as a limited company in China and is variously classified as a manufacturer/factory and a trading company. Its stated business scope covers dental materials, consumables, laboratory equipment, orthodontic products, and related goods.
CertificationsThe supplier reports holding ISO 9001 certification and also mentions TUV Rheinland and CCIC trademarks or authorizations. The provided slices do not include certificate numbers, validity dates, or verification details, but they do provide explicit evidence of reported certification and authorization.
After-Sales capabilityThe supplier explicitly presents efficient after-sales service as a company tenet and states that it is responsible for after-sales work for consumables and equipment products. However, no staffing, service process, response-time, or customer-performance evidence is provided.
Production capacityThe supplier reports three production lines, 6–10 quality-control staff, ISO 9001 certification, and stable supply and quality control. It states an off-peak lead time within 15 working days, while peak-season fulfillment may require 2–3 months, indicating documented production capacity but substantial peak-season variability.
Client casesThe supplier states that its disposable dental apparatus are sold across multiple international regions, and its reported export markets span South America, Europe, the Middle East, North America, Asia, Oceania, and Africa. Trade records show two transactions involving Natural8 Dental Laboratory Inc. and Dento Correct, but the documented customer and transaction sample is limited.
Product Q&A
Q:What are the available customization options for screw dimensions?
A:
Male screw diameter can be 4mm or as requested, female screw diameter can be 5mm or as requested, and lengths are adjustable.
Q:What surface treatment options are available?
A:
We offer brass, nickel, copper, and black surface treatments.
Q:What is the lead time for orders?
A:
During peak season, the lead time is one month. During off-season, it is within 15 workdays.
Q:How are the screws packaged for shipping?
A:
They are packed in bags (4kgs each), cartons (4 bags each), and pallets. Custom box packing is also available.
Q:What are the main applications for these screws?
A:
They are primarily used for book binding, leather binding, and securing official papers or files.
Send Inquiry
*To:
Tianjin Spider Impex Co., Ltd.
Tianjin Spider Impex Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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