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: ≤2.21hTerms 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 a manufacturer/factory, while another record describes its business nature as a trading company. It supplies dental consumables, equipment, laboratory materials, and related products, with exports representing 71%–90% of sales and markets across multiple regions. The supplier states that it provides after-sales service, stable supply, and quality control, and reports ISO 9001 certification, three production lines, 6–10 quality-control staff, and 6–10 years of R&D-engineer experience. Off-peak lead time is within 15 workdays, but peak fulfillment may require 2–3 months. Available trade records show one transaction associated with each of two buyers, providing limited customer-case evidence. Financial strength, customization capability, and independently verified innovation performance cannot be established from the provided information.

Supplier typeThe supplier is identified as a China-based limited company and manufacturer/factory, while its registered business nature is also described as a trading company. Its stated activities cover dental materials, consumables, equipment, and related commercial products.

CertificationsThe supplier states that it holds TUV Rheinland and CCIC trademarks/authorizations and reports ISO 9001 certification for supplier management systems. These records provide explicit evidence of certification-related credentials, although the exact scope and validity periods are not specified.

After-Sales capabilityThe supplier explicitly presents good or favorable after-sales service as a company tenet and states that it is responsible for after-sales work for consumables and equipment products. This directly supports an after-sales service capability claim.

Production capacityThe supplier states that it maintains stable supply and quality control, reports three production lines and 6–10 quality-control staff, and gives an off-peak lead time within 15 workdays. Peak-season fulfillment may require 2–3 months, indicating production capability with a material seasonal lead-time constraint.

Client casesTrade records associate the supplier with NATURAL8 DENTAL LABORATORY INC and DENTO CORRECT, with one recorded transaction for each entry. These provide identifiable customer references, but the small number of records limits the strength and breadth of the customer-case evidence.

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