Is customization available for this product?

Yes, customization is available for dimensions and other specifications.

What materials are used for the screws?

The screws are made of brass with nickel plating, copper, or black finish.

What are the main applications for these screws?

They are used for book binding, leather binding, and securing official papers or files.

Brass Book Binding Flat Head Male and Female Chicago Binding Screws

Name: Brass Book Binding Flat Head Male and Female Chicago Binding Screws
Brand: Tianjin Spider Impex Co., Ltd.
SKU: 1933005282

Tianjin, ChinaTianjin Spider Impex Co., Ltd.

US$0.01-0.14

1,000 Pieces

Sample price:US$0.00/piece.Request sample

Product profile

Customization

Available

Material

Brass

Surface Treatment

Nickel-Plated

Model NO.

Chicago screw

Head Type

Round

Name

Chicago Screw

Production Capacity

20000/Month

Key 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 with smooth or slotted drive.

High-Quality Finish: Features no burrs, scratch-free smooth surface, and rust-resistant properties.

Durable Material: Constructed from brass with nickel plating for long-lasting performance.

Secure Fastening: Combines male and female screws to securely fasten official papers, files, and leather workpieces.

Adjustable Depth: Hole depth can be adjusted to fit various binding requirements.

Bulk Packaging: Packed 4kgs per bag, 4 bags per carton, with 20 tons per 20ft container capacity.

Flexible Lead Time: Off-season delivery within 15 workdays; Peak season within one month.

Company profile

Tianjin Spider Impex Co., Ltd.

Tianjin, China

Business Type: Manufacturer/FactoryExport Year: 2017-12-04Nearest Port: TIANJINAverage Response Time: ≤2.70hTerms 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 screw dimensions?

Male screw diameter is 4mm or as requested; Female screw diameter is 5mm or as requested. Lengths range from 2mm to 150mm.

Q:Can the surface treatment be customized?

Yes, options include Brass, Nickel, Copper, or Black, with smooth or slotted drive types.

Q:What is the packaging configuration?

Each bag contains 4kgs, 4 bags per carton. A 20ft container usually holds 20 tons.

Q:How long is the lead time?

Off-season lead time is within 15 workdays, while peak season lead time is one month.

Q:What are the usage tips for these screws?

Thread moves right to left for drilling; do not use sharp tools; avoid scratching on hard surfaces; store in dry warehouses.

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Brass Book Binding Flat Head Male and Female Chicago Binding Screws