What is the production lead time?

Standard items take 15-25 working days. Custom/special items take 25-35 working days. Very large or complex orders may take 40-50 working days.

What standards and grades do you produce?

We produce Metric (ISO/DIN) grades 4.8, 8.8, 10.9, 12.9; Imperial (ANSI/ASME) Grades 2, 5, 8; and Stainless Steel classes A2-70, A4-80, among others.

What is the difference between a Hex Bolt and a Hex Cap Screw?

Technically, Hex Cap Screws have tighter tolerances and are often used in tapped holes, while Hex Bolts may have looser tolerances and are used with nuts. In practice, we manufacture to precise specifications based on intended use.

Hot Dipped Galvanized High Precision CNC Machining Construction Accessories Hex Bolt

Name: Hot Dipped Galvanized High Precision CNC Machining Construction Accessories Hex Bolt
Brand: Weifang Shengao Machinery Co., Ltd.
SKU: 694377052

Shandong, ChinaWeifang Shengao Machinery Co., Ltd.

US$0.03-3.19

100 Pieces

Sample price:US$0.50/piece.Request sample

Product profile

Customization

Available

Material

Carbon Steel

Type

Hexagon Head

Model NO.

SA-LS335

Connection

Common Bolt

Head Style

Hexagonal

Standard

DIN, ANSI, GB, JIS, BSW, GOST

Grade

8.8

Application

Machinery, Chemical Industry, Environmental, Building

Finish

Hot Galvanizing

Name

Hex Bolt

Material Type

Steel: 35CrMoA, 35CrMo, 30CrMoA, 30CrMo, 42cr2moa,

Place of Origin

Shandong, China

Thread

Unc,Unf,Uef,Un,Uns

Quality Stardard

ISO, DIN, ANSI, JIS, BS and Non-Standard

R & D Service

Design and Drawing

Dimension

Customized

Unique

15 Years of Manufacturing

OEM and ODM

100% with Drawings and Samples

Delivery Time

30 Days After Payment

OEM Sample

About 10 Days

MOQ

2000 Pieces for Trial Order

OEM Package

Anti-Rust Package System

Inner Package

Carton Box/Plastic Bag

Transport Package

Plywood Box

Specification

SGS

Trademark

Shengao

Origin

Weifang City, Shandong Province, China

HS Code

87089910

Production Capacity

50000PCS/Year

Key features

15 Years Manufacturing Experience: Over 15 years of professional experience in the fasteners industry.

Wide Material Selection: Available in Carbon Steel, Stainless Steel, Alloy Steel, Brass, and Aluminum.

Comprehensive Surface Treatments: Options include Zinc Plating, Hot-Dip Galvanizing, Black Oxide, and Dacromet.

Full OEM/ODM Customization: Supports custom dimensions, materials, threads, and private label packaging.

Strict Quality Control: Equipped with 3D detectors, hardness testers, and salt spraying testers.

2-Year Quality Guarantee: Provides a 2-year quality guarantee period after shipment.

High Production Capacity: Supply ability of 1000 tons per month for standard items.

Multiple Standard Compliance: Meets ISO, DIN, ANSI, ASME, BS, GB, and JIS international standards.

Company profile

Importers and ExportersHigh Repeat Buyers Choice

Weifang Shengao Machinery Co., Ltd.

Shandong, China

Business Type: Manufacturer/Factory CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc.Export Year: 2010-04-06 CertifiedNearest Port: Qingdao PortAverage Response Time: ≤2.45h CertifiedTerms of Payment: LC, T/T, D/P, etc.

AI-Powered supplier vetting

SummaryWeifang Shengao Machinery Co., Ltd. is a limited company focused on mechanical parts, hardware, metal tools, CNC machine tools, and related components. It identifies as a professional technical supplier and offers 3D software design and broad customization services, including sample-, design-, full-, minor-, and flexible customization. The supplier has written procedures and records for service assessment, corrective actions, and complaint handling. Its export sales share is stated at 71%–90%, with three years of export experience. However, the supplier has nine employees, only two years of total R&D engineer experience, no new products in the past year, no ODM, SDK, or overseas service infrastructure, and no stated customer cases. Audit information is provided for a TUV Rheinland audit with a validity period from September 4, 2025 to September 3, 2026, but the evaluation result is recorded as 0 and no certification name is specified.

Supplier typeThe supplier explicitly identifies as a professional technical supplier and a limited company. Its stated business and product scope covers mechanical parts, hardware products, metal tools, CNC machine tools, functional components, forgings, and powder metallurgy products; the audit record identifies mechanical parts as the primary product.

After-Sales capabilityThe supplier has clear written procedures and followed records for corrective and preventive actions and for handling customer complaints. This directly supports an established service-response process, although the slices do not provide service performance results or response-time data.

Production capacityThe supplier reports an annual production output range, six to ten quality-control staff, on-time delivery, random production quality inspection, and its own factory. It has nine total employees, so the available evidence supports an operating production capability, while capacity beyond the stated output range cannot be determined.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization, and also welcomes OEM and ODM requests according to its company description. These repeated statements provide direct evidence of broad customization coverage, although the separate record states that ODM is not available, creating a conflict on ODM specifically.

Product Q&A

Q:What is a Hex Bolt?

A Hex Bolt, also known as a Hex Head Bolt or Hex Cap Screw, is a threaded fastener with a six-sided head designed to be tightened with a wrench or socket, typically used with a nut or in a tapped hole.

Q:What materials are available for your hex bolts?

We offer Carbon Steel (grades 4.8 to 12.9), Stainless Steel (AISI 304/316), Alloy Steel, Brass, Silicon Bronze, and Aluminum to suit various strength and corrosion resistance needs.

Q:What surface treatments do you offer?

We provide Zinc Plating (Clear/Blue/Yellow), Hot-Dip Galvanizing, Black Oxide, Nickel, Chrome, Dacromet, and Plain finishes for corrosion protection and aesthetics.

Q:Can you customize bolts (OEM)?

Yes, we specialize in OEM manufacturing, offering non-standard lengths, diameters, thread pitches, custom head markings, special materials, and private label packaging.

Q:What is the Minimum Order Quantity (MOQ)?

Standard sizes/grades have an MOQ of 1,000 kg. Special grades/sizes/coatings have an MOQ of 500 kg per item. Large project OEM orders are negotiable.