What are the payment terms?

Payment terms include 100% T/T in Advance, LC, T/T, D/P, PayPal, Western Union, and Small-amount payment.

What is the minimum order quantity?

The Minimum Order Quantity is 500kg.

Can you provide custom fasteners?

Yes, we offer OEM and ODM services with customization from samples, designs, full customization, minor customization, and flexible customization.

Hex Head Sems Screws Assembled Plain Washer Spring Washer

Name: Hex Head Sems Screws Assembled Plain Washer Spring Washer
Brand: Zhejiang Ruizhao Technology Co., Ltd.
SKU: 733526852

Zhejiang, ChinaZhejiang Ruizhao Technology Co., Ltd.

US$0.01-0.20

1,000 Pieces

Sample price:US$0.10/piece.Request sample

Product profile

Customization

Available

Material

Carbon Steel

Type

Hexagon Head

Model NO.

SLM23CCC

Connection

Common Bolt

Head Style

Hexagonal

Standard

DIN, ANSI, GB, JIS, BSW, Accept Non-Standard

Grade

8.8/10.9/12.9/5/8/9

Application

Machinery, Chemical Industry, Environmental, Building, Automotive Industry

Finish

Color-Zinc Plated

Thread

Metric or Inch

Thread Type

Fine / Coarse /Bsw/Bsf/ Unc/Unf

8.8 Hardness

HRC 22-32

8.8 Tensile Strength

Above 800 MPa

8.8 Yield Strength

Above 640 MPa

10.9 Hardness

HRC 33-38

10.9 Tensile Strength

Above 1040 MPa

10.9 Yield Strength

Above 940 MPa

12.9 Hardness

HRC 39-45

12.9 Tensile Strength

Above 1200MPa

Transport Package

Carton Packing + Pallets

Specification

M6 to M20

Trademark

Origin

Wenzhou China

HS Code

731518

Production Capacity

600tons / Month

Key features

Custom Thread Options: Offers Metric or Inch threads with Fine, Coarse, Bsw, Bsf, Unc, or Unf types.

High Strength Grades: Available in 8.8, 10.9, and 12.9 grades with specific hardness and tensile strength.

OEM/ODM Service: Supports full customization from samples, designs, or minor adjustments.

Strict Quality Control: 100% visual inspection with ISO 9001 and ISO/TS 16949 certification.

Wide Application Range: Suitable for machinery, automotive, construction, and chemical industries.

Advanced Manufacturing: Uses fully automatic equipment for high efficiency and consistent quality.

Flexible Packaging: Customizable packaging including bulk, small boxes, or customer requests.

Fast Delivery: Lead time of 30 working days for a 20' container.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceSelf-brandedPatents Awarded

Zhejiang Ruizhao Technology Co., Ltd.

Zhejiang, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 7 Years CertifiedNearest Port: Ningbo Port, ShanghaiPortAverage Response Time: ≤18h

AI-Powered supplier vetting

SummaryThe supplier operates as a trading company with a focus on wholesale and retail, offering a range of customization services and quality control processes. They have a strong research and development capability, including ODM services and recent product innovations. However, they lack international presence with no overseas warehouses or agents. Their certification includes ISO14001 and ISO45001:2018, and they have a solid after-sales service procedure. The supplier has not collaborated with Fortune 500 companies, but maintains a high repeat buyer rate.

Supplier typeThe supplier is identified as a trading company operating within the wholesale and retail industry.

CertificationsThe supplier holds ISO14001 and ISO45001:2018 certifications, although specific details on other certifications are not provided.

After-Sales capabilityThe supplier has clear procedures and maintained records for handling customer complaints and implementing corrective actions.

R&D capabilityThe supplier has demonstrated innovation by introducing new products within the past year and offers ODM services.

Production capacityThe supplier provides OEM services for popular brands and has quality assurance processes in place.

Customization capabilityThe supplier offers a wide range of customization options, including full and flexible customization services.

Product Q&A

Q:Are you a factory or trading company?

We are a Manufacturer who got import export certificate.

Q:Why choose us?

We had advanced fully automatic equipment to improve the production efficiency and offer good delivery time and best price,With ISO 9001 and ISO/TS 16949 certified. From material selection to parts production, we conform to the strictest quality requirements.

Q:What is your main products?

Hex Flange Bolts, Sems Screws,Hex Bolts, Rivets, Stud Bolts , Non standard Bolts, High Tensile Bolts, Auto Components, Custom CNC Parts.Automotive fasteners, CNC parts, Customized fasteners, screw, bolt, nut .hardware , hand tools, stainless steel fasteners, wheel nut, auto parts. tapping screw, drilling screw, stamping parts, hose clamp. grease nipple , flange bolt, hex nut, flange nut. wheel bolt, key, screws. ball pin, clamp screw, window hardware, flange bolt, socket screw,sems screws, assem

Q:What materials are available for these screws?

Available materials include Steel, Carbon Steel, and Alloy Steel.

Q:What standards do your products follow?

We follow DIN, ISO, JIS, ANSI, ASME, ASTM standards, and accept non-standard requirements.