What standards can your products meet?

Products can be manufactured according to DIN, ISO, GB, ANSI, ASTM, BS and JIS standards.

What stainless steel grades are available?

Common options include 304, 316, A2-70, A4-70 and A4-80 stainless steel.

Can you customize product dimensions?

Yes. Diameter, length, thread, head design, surface finish and other specifications can be customized.

What surface treatments are available?

Common finishes include plain, polishing and passivation, with customized treatments available.

How do you control product quality?

We use production inspection and dimensional checks to ensure consistent quality and specifications.

Can you customize the packaging?

Yes. Bulk cartons, bags, pallets, boxes and customized packaging are available.

What is your normal delivery time?

Delivery time depends on product specifications, order quantity and production requirements.

Can you arrange international shipping?

Yes. We can support international shipment arrangements according to the destination and customer requirements.

What shipping terms are available?

FOB, CIF, CFR, DAP and DDP shipping options can be discussed according to the order.

What payment methods do you accept?

We commonly accept T/T and L/C, with payment terms confirmed according to order details.

High Strength Alloy Steel Stud Bolt ASTM A193 B7 Black Oxide 1/2"-2" Oil Gas Flange Stud Bolt ASME B18.31.2

Name: High Strength Alloy Steel Stud Bolt ASTM A193 B7 Black Oxide 1/2"-2" Oil Gas Flange Stud Bolt ASME B18.31.2
Brand: Shanghai Borui Metal Products Co., Ltd.
SKU: 2186241982

Shanghai, ChinaShanghai Borui Metal Products Co., Ltd.

US$0.05

100-4,999 Pieces

US$0.03

5,000-9,999 Pieces

US$0.02

10,000+ Pieces

Product specifications

Thread Length

Diameter

Sample price:US$0.50/piece.Request sample

Product profile

Customization

Available

Material

High Strength Steel

Type

Hexagon Head

Model NO.

ASME B18.31.2

Connection

Common Bolt

Head Style

Hexagonal

Standard

DIN, ANSI, GB, JIS

Grade

ASTM A193 B8

Application

Machinery, Chemical Industry, Environmental, Building, Construction Industry

Finish

Plain

Size

M3-M100 (3/16''- 6''), Customized

MOQ

Standard 100PCS, Customized 1000 PCS

Delivery

Non Standard: Normally 7-40days Working Days

Certificate

ISO9001,CE, SGS, BV

Advantage

Competitive Price,Superior Quality OEM ODM Service

Packing

PE/PP Bag + Cartons (25kg Max.)+Wood Pallet

Delivery Method

by Sea, by Air or by Express Service

Applicable Industries

Automabiles, Motorcycle, Mechanical Equipment, etc

Accuracy

Accuracy of Machining:+/-0.01mm

Drawing

JPEG, Pdf, CAD, Igs Accepted

Transport Package

Carton/Pallet

Specification

Customizable

Trademark

G&T

Origin

China

Key features

ASTM A193 B8 stainless steel provides excellent corrosion resistance.

Hexagonal head provides secure tightening with standard tools.

DIN933 full thread design supports reliable fastening applications.

DIN931 partial thread options suit structural assembly requirements.

High strength performance supports petrochemical equipment assembly requirements.

M3-M64 sizes support machinery, construction, and industrial applications.

ASTM A193 specification supports specialized industrial applications.

Factory direct production enables customized alloy bolt manufacturing.

Custom dimensions and specifications support OEM fastening requirements.

Bulk packaging and customized packing simplify industrial procurement.

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: ≤2.18hTerms 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.