How do you ensure quality?

We produce strictly according to your request with sample confirmation. Our team uses high-precision machines to guarantee quality.

Do you provide samples?

Yes, if items are in stock, we can offer free samples.

High Quality Finest Price Window Frame High-Low Thread Concrete Screw

Name: High Quality Finest Price Window Frame High-Low Thread Concrete Screw
Brand: Jiaxing Sini Fastener Co., Ltd.
SKU: 2188866415

Zhejiang, ChinaJiaxing Sini Fastener Co., Ltd.

US$0.50

50,000-499,999 Pieces

US$0.20

500,000-4,999,999 Pieces

US$0.10

5,000,000+ Pieces

Sample price:US$1.00/piece.Request sample

Product profile

Customization

Available

Material

Carbon Steel

Type

Flat Head

Model NO.

Concrete Screw

Groove

Phillips

Head Style

Flat Head

Standard

ANSI

Finish

Blue Rust Finish

Point

Diamond

Thread Type

High-Low Thread

Application

Use in Concrete, Masonry, Mortar Walls

Transport Package

Carton + Strong Wooden Pallets

Specification

3/16X1 1/4, 3/16X2 1/4"

Trademark

SINI

Origin

Jiaxing, China

Production Capacity

10000ton/Year

Key features

High-Low Thread Design: Features high-low thread with 3 notches for superior anchoring in concrete and masonry.

Durable Blue Rust Finish: Carbon steel construction with blue rust finish coating for enhanced corrosion resistance.

Diamond Tip Point: Diamond point design ensures easy penetration and secure fastening in brick and block.

OEM and ODM Services: Full customization available based on customer drawings, samples, and specific design requirements.

Wide Application Range: Ideal for fastening in concrete, masonry, mortar walls, automotive, aerospace, and construction.

Multiple Thread Sizes: Available in 3/16, 1/4, and M7.5 sizes with lengths ranging from 52mm to 202mm.

Fast Stock Delivery: Stock products can be delivered within 2 days after payment receipt.

Free Samples Available: Free samples offered for items currently in stock upon request.

Company profile

R&D CapabilitiesCustomization from Samples100% Finished Products InspectionManagement Certification

Jiaxing Sini Fastener Co., Ltd.

Zhejiang, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 15 Years CertifiedNearest Port: Shanghai Port; Ningbo PortAverage Response Time: ≤15h

AI-Powered supplier vetting

SummaryThe supplier operates in hardware and mechanical equipment, with stated import/export licensing and products including fasteners. It reports OEM and ODM capability, broad customization options, and manufacturing equipment that includes punching, rolling, deburring, laser cutting, bending, riveting, and hydraulic machines. Export sales account for 90% of total sales, and stated quotation terms include FOB, CFR, CIF, and EXW. However, the available evidence indicates important operational weaknesses: only one production line is reported, there is no valid manufacturing-capacity contract with related subcontractors, no inventory or overseas service infrastructure, no written supplier-service assessment procedure, and no documented corrective-action, complaint-handling, quality-assurance, or traceability systems. No certification information or specific customer cases are provided.

Supplier typeThe supplier is presented as a hardware and mechanical-equipment business, with licensed import/export and technology-import/export activities, plus sales and R&D of hardware products, mechanical equipment, and mechanical components. Its stated product scope includes fasteners such as carriage bolts, indicating a manufacturer/supplier focused on hardware and related mechanical products.

After-Sales capabilityThe supplier has no stated overseas agents or branches, overseas warehouse, overseas showroom, or overseas service countries, and it has no written procedures or records for corrective and preventive actions or customer-complaint handling. These explicit gaps indicate weak documented after-sales and international service infrastructure.

Production capacityThe supplier lists multiple processing machines and reports one production line, a one-month average lead time in both peak and off-season, and 90% export sales. Nevertheless, it lacks a valid manufacturing-capacity contract with related subcontractors, does not continuously reconcile production quantities, has no outsourcing SOP, and has no quality assurance or raw-material traceability, creating material production-control deficiencies.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization through its design and R&D capabilities. It also states that special parts can be manufactured, providing clear evidence of broad customization capability.

Product Q&A

Q:Are you a trade company or manufacturer?

Our company is an industry and trade integration business, located in Jiaxing, Zhejiang.

Q:What materials do you use?

We primarily use carbon steel and stainless steel.

Q:What are your main products?

Fasteners, stainless steel brackets, bolts, nuts, screws, washers, threaded rods, anchors, self-tapping screws, self-drilling screws, and stainless steel plates.

Q:How long is your delivery time?

It depends on stock availability. For stock products, delivery is within 2 days after payment. Normal production time is 15-20 workdays for one container.

Q:What are your payment terms?

We mostly use 30% advance payment by T/T and 70% before shipment. For small amounts, we accept PayPal.