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Color Zinc Plated Countersunk Head with Square Groove Self Tapping Screw
US$989.00-1,400.00
1 Ton
Sample price:US$0.00/piece.Request sample
Product profile
Customization
AvailableMaterial
Carbon SteelType
Countersunk HeadModel NO.
Self Tapping ScrewsGroove
SquareConnection
Common BoltHead Style
Counter Sunk BoltStandard
DIN, GB, ANSI, BSW, JISSurface Treatment
Color Zinc PlatedHead
CountersunkGroove Type
SquarePoint
Sharp Tapping PointDiameter
Bwg6-14# 2.1-5.2mmLength
1/3"-3 1/2" (9.5-90 mm)Package
Carton + PalletPayment Terms
30% Deposit + 70% TtDelivery
30 DaysTransport Package
Carton + PalletSpecification
4.2*72 mmTrademark
Spider ScrewsOrigin
ChinaProduction Capacity
1000/MonthKey features
Non-slip Square Groove: Square groove design prevents slipping during installation for secure fastening.
High Strength Material: Made from C1022A carbon steel with high-speed cold heading for superior strength.
Customizable Plating: Available in White, Yellow, Blue Zinc, Brass, Nickel, Copper, and Phosphate finishes.
Wide Size Range: Diameter 2.1-5.2mm and Length 9.5-90mm to fit various application needs.
Reliable Manufacturing: Self-owned heating treatment line ensures consistent hardness and strength quality.
Flexible Packaging: Packaging options include small boxes, bags, cartons, pallets, or custom requests.
Company profile

Business Type: Manufacturer/FactoryExport Year: 2017-12-04Nearest Port: TIANJINAverage Response Time: ≤2.09hTerms 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 material is used for these screws?
A:
The screws are made from C1022A carbon steel, ensuring high strength and durability.
Q:What head and groove types are available?
A:
The product features a countersunk head with a square groove, available in sharp or tapping points.
Q:What plating options can be customized?
A:
We offer White zinc, Yellow zinc, White blue zinc, Brass, Nickel, Copper plating, and Phosphate finishes.
Q:What are the diameter and length specifications?
A:
Diameter ranges from 2.1-5.2mm (BWG6-14#) and length from 9.5-90mm (1/3'-3 1/2').
Q:What is the average lead time for orders?
A:
Lead time is within 15 workdays during off-season and one month during peak season.
Send Inquiry
*To:
Tianjin Spider Impex Co., Ltd.
Tianjin Spider Impex Co., Ltd.*Content:
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