What are the payment terms?

We accept T/T, L/C, D/A, D/P, Western Union, and PayPal. For production, 30% deposit by T/T before production, balance before shipment.

What surface finishes are available?

Options include Plain, Black oxide, Zinc Plated (Clear/Blue/Yellow/Black), H.D.G, Nickel, Chrome, PTFE, Dacromet, Geomet, Magni, Zinc Nickel, and Zinteck.

What is the minimum order quantity?

The minimum order quantity is according to customer demand, with a general minimum of 1 Pc.

ASTM A325 Type 1 Medium Carbon Steel Hex Bolt Hex Nut

Name: ASTM A325 Type 1 Medium Carbon Steel Hex Bolt Hex Nut
Brand: Shanghai G&T Industry Co., Ltd.
SKU: 910354635

Shanghai, ChinaShanghai G&T Industry Co., Ltd.

US$0.01-2.00

1,000 Pieces

Product profile

Customization

Available

Material

ASTM A325

Type

Hexagon Head

Connection

Common Bolt

Head Style

Hexagonal

Standard

DIN, ANSI, GB, JIS, BSW, GOST

Grade

ASTM A325

Application

Machinery, Chemical Industry, Environmental, Building

Finish

Polishing

Transport Package

Plastic Bag+ Carton+Wood Pallet

Specification

M3-M100; 1/8" - 4"

Trademark

G&T

Origin

Shanghai, China

Production Capacity

500 Tons/Month

Key features

Wide Material & Grade Options: Carbon steel, alloy steel, stainless steel, brass with grades up to 12.9 and A4-80.

Extensive Size Range: Diameter M4-M64 (1/4'-2 1/2') and length up to 800mm or 30 feet.

Diverse Surface Finishes: Plain, black oxide, zinc plated, HDG, nickel, chrome, PTFE, Dacromet, and more.

High Precision Customization: Strictly follow drawing tolerances for high precision parts and custom hardware.

Strict Quality Control: Adheres to ISO9001:2008 procedures with strict QC from production to delivery.

Fast Delivery for Standard Parts: Standard parts delivered in 7-15 days; non-standard parts in 15-25 days.

Flexible Payment Terms: Supports T/T, L/C, D/A, D/P, Western Union, and PayPal.

Free Samples Available: Provide free samples for reference and testing purposes.

Company profile

Years of Export ExperienceHigh Repeat Buyers ChoiceFast DeliveryManagement Certification

Shanghai G&T Industry Co., Ltd.

Shanghai, China

Business Type: Manufacturer/Factory CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 10 Years CertifiedNearest Port: Shanghai PortAverage Response Time: ≤1.83h

AI-Powered supplier vetting

SummaryShanghai G&T Industry Co., Ltd. is identified as a limited trading company offering bolts, nuts, threaded rods, stud bolts, and customized fasteners. The supplier reports broad customization, ODM capability, new products launched during the past year, and OEM service for well-known brands. Stated annual productivity includes 6,000 tons of thread rods, 5,000 tons of bolts, 5,000 tons of nuts, 3,000 tons of washers, and 3,000 tons of stud bolts. Service procedures include documented supplier assessment, corrective and preventive actions, and customer complaint handling, with lead times within 15 workdays in both peak and off-season. However, the supplier has no overseas agents or branches, overseas warehouse, showroom, or inventory capability. Raw-material traceability, quality assurance status, outsourcing controls, and contract status are unknown. An audit by TUV Rheinland is recorded, but the audit type and evaluation result are not sufficiently interpretable from the provided values.

Supplier typeThe supplier is a limited company classified as a trading company, with a stated business scope covering metal materials, hardware, machinery, and related products. Its offered products are bolts, nuts, threaded rods, stud bolts, and customized fasteners, and it is not identified as part of a larger company group.

After-Sales capabilityThe supplier has documented and followed procedures for corrective and preventive actions and customer complaint handling. It has no overseas agents or branches, overseas warehouse, showroom, or in-stock service capability, which limits local and immediate after-sales support.

R&D capabilityThe supplier reports new products during the past year, ODM service, and multiple design-based customization options. It does not have an available SDK, but the available evidence supports product development and design capability.

Production capacityReported annual productivity is 6,000 tons of thread rods, 5,000 tons each of bolts and nuts, and 3,000 tons each of washers and stud bolts. Lead time is stated as within 15 workdays in both peak and off-season; however, the supplier also reports no inventory capability, while outsourcing procedures and manufacturing-capacity contracts remain unknown.

Customization capabilityThe supplier explicitly supports customization from samples, customization from designs, full customization, minor customization, and flexible customization. Its product scope also expressly includes customized fasteners, and it reports ODM capability.

Product Q&A

Q:What materials and grades are available?

We offer Carbon Steel, Alloy Steel, Stainless Steel, and Brass. Grades include SAE J429 Gr.2, 5, 8; ASTM A307 Gr.A; Class 4.8, 5.8, 6.8, 8.8, 10.9, 12.9; A2-70, A4-70, A4-80.

Q:What is the size range for diameter and length?

Diameter ranges from 1/4' to 2 1/2' (M4-M64). Length can be up to 800mm or 30 feet.

Q:How is quality ensured?

All processes strictly adhere to ISO9001:2008 procedures. We have strict quality control from producing to delivery with strong technology support.

Q:Can you provide custom-made parts based on drawings?

Yes, we can strictly follow tolerances on drawings to meet high precision requirements. Send us drawings, photos, or samples for custom development.

Q:What are the delivery times for standard and non-standard parts?

Standard parts: 7-15 days. Non-standard parts: 15-25 days. We deliver as soon as possible with guaranteed quality.