What thread types are available for diameters above 1 inch?

Bolts above 1 inch diameter are commonly available in 8UN (8 threads per inch) and UNC (coarse thread).

A193 B7 Hex Bolts PTFE

Name: A193 B7 Hex Bolts PTFE
Brand: HEBEI HONGCHENG PIPE FITTINGS CO., LIMITED
SKU: 2104797785

Shanghai, ChinaHEBEI HONGCHENG PIPE FITTINGS CO., LIMITED

US$100.00

1-999 Pieces

US$1.00

1,000+ Pieces

Sample price:US$0.00/piece.Request sample

Product profile

Customization

Available

Material

High Strength Steel

Type

Round Head

Model NO.

A193 B7

Connection

Common Bolt

Head Style

Round

Standard

DIN, ANSI, JIS, GOST

Grade

8.8

Application

Machinery

Finish

Polishing

Stud Bolt

ASTM A193 B7 Stud Bolt with Two ASTM A194 2h Nuts

Transport Package

Plywood Box, Plywood Case, Wooden Pallet

Specification

ASTM A193 B7 Stud Bolt with A194 2h Heavy Hex Nut

Trademark

C&N

Origin

China

Production Capacity

1000tons/Month

Key features

High Strength Material: Manufactured from heat treated alloy steel AISI 4140/4142 for superior durability.

High Pressure Resistance: Designed for high temperature and high pressure applications up to 100,000 psi.

Wide Standard Compliance: Meets DIN, ANSI, JIS, and GOST standards with ASME B18.2.1 dimensional specifications.

Easy Maintenance: Absence of nut locking oxides enables easy and safe removal of fasteners.

Versatile Thread Options: Available in 8UN and UNC thread types for diameters above 1 inch.

Company profile

Years of Export ExperienceManagement CertificationQuality AssuranceFast Delivery

HEBEI HONGCHENG PIPE FITTINGS CO., LIMITED

Shanghai, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2005-03-16Nearest Port: Tianjin, ShanghaiAverage Response Time: ≤18hTerms of Payment: LC, T/T, Western Union, etc.International Commercial Terms(Incoterms): FOB, EXW, CFR, CIF, FAS, DDP, CIP, CPT, Others, FCA

AI-Powered supplier vetting

SummaryThe supplier is a pipe fitting and flange manufacturer and authorized dealer serving pipeline-related industries. It demonstrates broad customization, OEM and ODM services, 3D software design capability, 13 R&D engineers, and evidence of new products during the past year. Production-related evidence includes hydraulic, EDM CNC cutting, heat-treatment, material-testing, and spectrometer equipment, with documented finished-product inspection procedures. ISO9001:2015, ISO45001:2018, and ISO14001 certifications are reported. Service management procedures cover supplier assessment, corrective and preventive actions, and customer complaints. However, the supplier has no valid manufacturing-capacity contract with associated subcontractors, no overseas warehouse, showroom, agent, or branch, and no SDK. Customer references include named oil, energy, and industrial organizations, but no Fortune 500 cooperation is reported.

Supplier typeThe supplier is described as a pipe fitting and flange company that also acts as an authorized dealer, serving electric power, metallurgy, city gas, heat networks, shipbuilding, and other pipeline engineering applications. This indicates a manufacturer-led industrial supplier with distribution activity.

CertificationsThe supplier reports ISO9001:2015, ISO45001:2018, and ISO14001 management-system certificates. These explicitly demonstrate certification coverage for quality, occupational health and safety, and environmental management.

After-Sales capabilityWritten and followed procedures are reported for service-capability assessment, corrective and preventive actions, and customer complaints. The supplier also reports training and equipment installation services and lead times within 15 working days in both peak and off-season, but lacks overseas warehouses, showrooms, agents, and branches.

R&D capabilityThe supplier reports 3D software design services, ODM capability, 13 R&D engineers, and new products during the past year. It also provides multiple forms of design customization, although no SDK is available.

Production capacityProduction evidence includes hydraulic machinery, EDM CNC cutting, heat-treatment equipment, universal material testing, and direct-reading spectrometer equipment, plus uniformly followed finished-product inspection instructions. The supplier also reports in-stock capability and 10 qualified service-capability suppliers, but lacks a valid manufacturing-capacity contract with associated subcontractors.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. It also reports custom design support to ASME VIII, ASME B31.3, and ASME B31 requirements, supported by 3D design services.

Client casesThe supplier names ARAMCO, SADRA, SWCC, PDO, OQ, ADAMA, DOWL, and Sonatrach as clients or organizations whose approval it has received. It reports no Fortune 500 cooperation, so the evidence supports established industrial customer experience but not Fortune 500 coverage.