What are the payment terms?

We accept T/T, L/C, West Union, and PayPal. For production, a 30% deposit is paid by T/T before arrangement, and the balance is paid before shipment.

What is the Minimum Order Quantity (MOQ)?

The Minimum Order Quantity is according to customer demand, with a general minimum of 1 Pc.

How should I order if I cannot find the product on your website?

You can send pictures, photos, or drawings via email, or send samples by DHL/TNT. We will check availability or develop new models specifically for you.

DIN 912 GB70.1 Grade B7 Black Grade 8.8 109 129 Extra Long Hex Socket Head Cap Bolt

Name: DIN 912 GB70.1 Grade B7 Black Grade 8.8 109 129 Extra Long Hex Socket Head Cap Bolt
Brand: Shanghai G&T Industry Co., Ltd.
SKU: 2007812415

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

US$0.01-0.10

1,000 Pieces

Sample price:US$0.50/piece.Request sample

Product profile

Customization

Available

Material

Carbon Steel

Type

Hexagon Head

Model NO.

socket screw

Connection

Common Bolt

Head Style

Socket Head

Standard

DIN

Grade

8.8 10.9 12.9 B7 B16 L7

Application

Machinery, Chemical Industry, Environmental, Building

Finish

Black

Delivery Time

5-30 Days

Surface

Zinc Black

Diameter

M52 M48

Length

300mm 500mm

Head Mark

Custmized

Transport Package

Plastic Bag+ Carton+Wood Pallet

Specification

1/4"-2 1/2", M4-M64

Trademark

G&T

Origin

Shanghai, China

Production Capacity

1000 Tons/Month

Key features

Wide Material & Grade Options: Available in Carbon, Alloy, Stainless Steel, Brass with Grades 8.8 to 12.9 and B7.

Extensive Size Range: Diameters M4-M64 and lengths up to 800mm or 30 feet to meet diverse needs.

Custom Surface Finishes: Options include Black Oxide, Zinc Plated, H.D.G, Nickel, Chrome, and Dacromet.

High Precision OEM/ODM: Strictly follow drawing tolerances for high-precision custom parts and samples.

Fast Delivery Time: Standard parts ship in 7-15 days; non-standard parts in 15-25 days.

ISO9001 Quality Control: Strict quality control from production to delivery adhering to ISO9001:2008.

Competitive One-Stop Service: High quality, competitive prices, timely delivery, and free samples available.

Flexible Payment Terms: Accepts T/T, L/C, West Union, and PayPal with 30% deposit for production.

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: ≤1.56h

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; and A2-70, A4-70, A4-80.

Q:What is the maximum diameter and length?

Diameters range from 1/4' to 2 1/2' (M4-M64), and lengths can be up to 800mm or 30 feet.

Q:How is quality ensured?

All processes strictly adhere to ISO9001:2008 procedures with strict quality control from producing to delivery, supported by strong technology and management.

Q:Can you produce custom parts based on drawings?

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

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

Standard parts require 7-15 days, while non-standard parts require 15-25 days. We aim to deliver as soon as possible while guaranteeing quality.