What thread types do you offer?

We provide Metric Coarse, Metric Fine, Full Thread, Half Thread, UNC, UNF, BSW, and BSF threads.

5/16-18 Serrated Flange Head Hex Screw Bolt with Hex Nut

Name: 5/16-18 Serrated Flange Head Hex Screw Bolt with Hex Nut
Brand: T&Y Hardware Industry Co., Ltd.
SKU: 1918944882

Shanghai, ChinaT&Y Hardware Industry Co., Ltd.

US$0.10

1,000-4,999 Pieces

US$0.09

5,000-9,999 Pieces

US$0.07

10,000+ Pieces

Sample price:US$0.10/piece.Request sample

Product profile

Customization

Available

Material

Carbon Steel

Type

Hexagon Head

Model NO.

DIN 6921 hex flange bolts

Connection

Common Bolt

Head Style

Hexagonal

Standard

DIN, ANSI, GB, JIS, BSW, GOST

Grade

8.8

Application

Machinery, Chemical Industry, Environmental, Building

Finish

Hot Galvanizing

Transport Package

25kg

Specification

BULK IN 25KGS CARTON/ PALLET

Trademark

Origin

Shagnhai

HS Code

7318190000

Production Capacity

1000 Tonnes/Month

Key features

Customization Support: Supports OEM, ODM, and customization for size, color, material, packaging, and design.

Wide Material Range: Available in Carbon Steel, Stainless Steel, Aluminum, Titanium, Brass, and more.

Diverse Thread Options: Offers Metric, UNC, UNF, BSW, BSF threads in coarse, fine, full, or half thread.

Multiple Finish Types: Finishes include Plain, Black, Zinc Plated, Yellow Zinc, Hot DIP Galvanizing, and Dacromet.

Various Head Styles: Includes Hex, Allen, 12-point, U-shaped, Ball, Ring, Square, T-shaped, and Flat heads.

Strict Quality Control: Every process is checked by the quality inspection department to ensure product quality.

Free Sample Provision: Free samples are provided, though courier fees are not included.

Global Supplier Status: Nominated supplier for major global clients with exports to over 55 countries.

Company profile

High Repeat Buyers ChoiceCooperated with Fortune 500Exhibition ExperienceYears of Export Experience

T&Y Hardware Industry Co., Ltd.

Shanghai, China

Business Type: Manufacturer/FactoryExport Year: 2020-07-09Nearest Port: Shanghai, NingboAverage Response Time: ≤8.14hTerms of Payment: LC, T/T, PayPal, etc.International Commercial Terms(Incoterms): FOB, CFR, CIF, DDP, CIP, FCA

AI-Powered supplier vetting

SummaryThe supplier is identified as a trading company, but the provided information also indicates professional technical, R&D, design, OEM, ODM, inventory, overseas warehouse, overseas showroom, and export capabilities. It reports substantial annual production capacities across several fastening-product categories and offers extensive customization. Service governance is supported by written procedures and records for corrective actions, complaint handling, supplier assessment, and approved-supplier updates. Innovation evidence includes new products within the past year, while ERP-based digital management is in use. Financial records are referenced for 2021–2023, but no financial results or assessment outcomes are provided. No certification information is stated. Customer-related evidence includes OEM service for well-known brands, overseas agents or branches, and participation in named trade shows.

After-Sales capabilityThe supplier has documented and followed procedures for customer complaints and corrective/preventive actions. It also reports overseas agents or branches, overseas warehouses, an overseas showroom, inventory capability, and written supplier-service assessment procedures, supporting service coverage, although no specific warranty or repair terms are provided.

R&D capabilityThe supplier reports R&D capability, new products within the past year, ODM services, and ERP-based digital management covering production, procurement, quality control, and logistics. It has no available SDK, but that limitation is not sufficient to negate the broader product-development and process-digitization evidence.

Production capacityReported annual capacity includes threaded rods, bolts and nuts, anchor bolts, screws, and hex bolts, with the largest stated capacity for hex bolts. The supplier also reports in-stock capability, while outsourcing procedures and manufacturing-capacity contracts remain unknown; overall, direct production strength is supported but its full manufacturing governance is not established.

Customization capabilityThe supplier explicitly offers customization from samples and designs, full, minor, and flexible customization, together with 3D software design services. ODM and OEM capabilities further support its ability to develop or manufacture customer-specific products.

Product Q&A

Q:How to ensure quality?

Every process is checked by our quality inspection department to ensure every product's quality. We also personally go to the factory to check the quality of products.

Q:What is the delivery time?

Our delivery time is generally 30 to 45 days, or according to the quantity.

Q:What are the payment methods?

30% value of T/T in advance and other 70% balance on B/L copy. For small orders less than 1000USD, we suggest paying 100% in advance to reduce bank charges.

Q:Can you provide a sample?

Sure, our sample is provided free of charge, but not including courier fees.

Q:What materials are available?

We offer Carbon Steel, Stainless Steel, Aluminum, Titanium, Brass, Alloy Steel, and other specialized materials.