What are the main applications for these screws?

They are used for plasterboard, gypsum board, lightweight walls, ceilings, metal fastening, and wood stud fastening.

What surface treatments are available?

Options include Black/Gray Phosphate, Zinc Plating (Yellow/Blue/White), Nickel, and others as requested.

Tianjin 3.5 X 25mm Black Fine Coarse Thread Hidden Camera Drywall Screws

Name: Tianjin 3.5 X 25mm Black Fine Coarse Thread Hidden Camera Drywall Screws
Brand: Tianjin Spider Impex Co., Ltd.
SKU: 1915099871

Tianjin, ChinaTianjin Spider Impex Co., Ltd.

US$0.989-1.40

1,000 kg

Sample price:US$0.00/piece.Request sample

Product profile

Customization

Available

Material

Carbon Steel

Type

Bugle Head

Model NO.

drywall screw

Groove

Cross

Connection

Common Bolt

Head Style

Bugle Head

Standard

DIN, GB

Grade

8.8

Application

Metal Sheet, Wood. Gypsum Board.

Surface Treatment

Black/Gary Phosphate, Zinc.

Drive

Phillips

Point

Sharp Point/ Drill Point

Thread

Fine Thread/ Coarse Thread

Diameter

#6 #7 #8

Length

13mm to 220mm

MOQ

1 Ton Per Size

Delivery

35 Days

Customized Packing

Available

Customized Logo

Available

Customized Specification

Available

Transport Package

Bale Packing or Box+Carton

Specification

drywall screw 3.5x25 32 35 38 42

Trademark

Spider Screws

Origin

Tianjin

HS Code

7318150000

Production Capacity

1000/Month

Key features

High Strength Material: Made of carbon steel C1022A with high-strength rolling for superior durability.

Corrosion Resistant: Phosphate coating and heat treatment ensure strong corrosion resistance.

Versatile Thread Options: Available in Fine Thread for metal studs and Coarse Thread for wood studs.

Self-Drilling Capability: Drill point variants allow efficient fastening into sheet metal and hard materials.

Customization Available: Customized logo, packing, and specifications are available for orders.

Professional Manufacturing: Self-owned heating treatment line ensures consistent hardness and strength.

Wide Size Range: Diameters from 3.5mm to 6.3mm and lengths from 13mm to 220mm.

Company profile

Tianjin Spider Impex Co., Ltd.

Tianjin, China

Business Type: Manufacturer/FactoryExport Year: 2017-12-04Nearest Port: TIANJINAverage Response Time: ≤2.68hTerms 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.