What payment terms do you accept?

We accept T/T, L/C, D/P, PayPal, Western Union, Small-amount payment, and Money Gram.

What certifications do your products have?

Our products are certified with ISO9001-2008, SGS, CTI, and RoHS.

ASME B18.2.1 Hex Bolt

Name: 5/16'' 18unc Galvanized SAE Grade 2 / 5 / 8 Steel ANSI/ASME B18.2.1 Hex Bolt
Brand: Shanghai Borui Metal Products Co., Ltd.
SKU: 2147219652

Shanghai, ChinaShanghai Borui Metal Products Co., Ltd.

US$0.50

10-999 Pieces

US$0.30

1,000-9,999 Pieces

US$0.15

10,000+ Pieces

Sample price:US$5.00/piece.Request sample

Product profile

Customization

Available

Material

Carbon Steel

Type

Hexagon Head

Model NO.

ANSI/ASME B18.2.1

Connection

Common Bolt

Head Style

Hexagonal

Standard

DIN, ANSI, GB, JIS, BSW, GOST

Grade

SAE Grade 5

Application

Machinery, Chemical Industry, Environmental, Building

Finish

Passivation

Bolt Length

18-280mm

Thread Length

Half Thread / Full Thread / Customized Length

Thread Type

Right Handed

Finishing

Black Oxide / Zinc Plated / HDG Hot DIP Galvanized

OEM

Acceptable

MOQ

10 PCS

Payment

Sample

Free

Transport Package

Carton + Pallet

Specification

M4-M64, 3/16''-3''

Trademark

Origin

China

HS Code

731815

Production Capacity

50000 Pieces / Year

Key features

Wide Size Range: Diameter 5/16''-4'', M2-M72; Length 5mm-12m, customizable to customer requirements.

Multiple Material Options: Carbon steel, stainless steel (304/316), alloy steel, and special materials for extreme conditions.

Various Surface Finishes: Plain, black oxide, zinc plated, yellow zinc plated, hot dip galvanized (HDG), Dacromet, PTFE.

OEM/ODM Support: Acceptable OEM service with customized bolt length, thread length, and thread type options.

Fast Delivery: In-stock items ship in 3-7 days; Custom/OEM orders delivered in 14-30 days.

20+ Years Expertise: 20+ years producing high-quality fasteners, serving 1,000+ customers from 200+ countries.

One-Stop Procurement: End-to-end logistics solutions including sea, air, land, and DDP door-to-door delivery.

Company profile

High Repeat Buyers ChoiceMulti-language PioneerExperienced TeamExhibition Experience

Shanghai Borui Metal Products Co., Ltd.

Shanghai, China

Business Type: Manufacturer/Factory, Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedNearest Port: Shanghai Port, Ningbo PortAverage Response Time: ≤1.94hTerms of Payment: LC, T/T, D/P, etc.

AI-Powered supplier vetting

SummaryThe supplier is a Shanghai-based limited trading company with 41 employees, focused on fasteners and related metal, mechanical, plastic, rubber, electrical, and photovoltaic products. It offers sample-, design-, and full-customization services, as well as ODM and OEM services, and reports export sales of 71%–90%. In-stock service is available, but there is no overseas warehouse, showroom, agent, or branch. Financial records are identified for 2022–2024, but no financial values or performance conclusions are provided. Service-process evidence is weak: no written corrective/preventive-action or complaint-handling procedures or records are available, while quality-assurance status and fire-drill status are unknown. No certifications, customer cases, or production facilities are explicitly documented.

Supplier typeThe supplier is identified as a limited company and trading company, with 41 employees, no stated parent-group affiliation, and a Shanghai registered and physical address. Its stated product scope centers on fasteners and related industrial products.

After-Sales capabilityThe supplier has in-stock service capacity, but it has no overseas warehouse, showroom, overseas agent, or branch. More importantly, no written corrective/preventive-action procedures or records and no written customer-complaint procedures or records are available, indicating a documented after-sales process is not demonstrated.

R&D capabilityThe supplier lists research and development of metal products and hardware products, and offers ODM services. However, no SDK is available, and the information does not provide measurable R&D resources, patents, or development outcomes; the documented capability is therefore limited but present.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, and full customization, together with ODM and OEM services for popular brands. These statements provide direct evidence of broad customization and design-manufacturing service capability.

Product Q&A

Q:What are the available material options?

We offer carbon steel, stainless steel (304/316/310), alloy steel, and special materials for extreme conditions like ultra-high/low temp or strong corrosion.

Q:Can the bolt length and thread be customized?

Yes, we provide customized bolt lengths (18-280mm), thread lengths (Half/Full/Customized), and thread types (Right Handed) to meet specific requirements.

Q:What surface finishes are available?

Available finishes include plain, black oxide, zinc plated, yellow zinc plated, hot dip galvanized (HDG), Dacromet, and PTFE.

Q:What is the minimum order quantity (MOQ)?

The minimum order quantity is 10 pieces.

Q:What are the lead times for orders?

In-stock items take 3-7 days. Custom/OEM orders take 14-30 days. Peak season lead time is within 15 workdays to 3 months.