What is the lead time for customization?

Customization typically takes 15-25 days. Peak season lead time is about one month, while off-season lead time is within 15 workdays.

What materials are available for these screws?

We offer screws made from stainless steel, carbon steel, brass, and other materials upon request.

What is the minimum order quantity (MOQ)?

The standard MOQ is 1000 PCS, though this may vary based on specific product requirements and customization needs.

Custom Flat Head Sealing Bolt Self-Sealing Hexagon Machine Seal Waterproof Screw with O Ring

Name: Custom Flat Head Sealing Bolt Self-Sealing Hexagon Machine Seal Waterproof Screw with O Ring
Brand: Yuhuang Electronics Dongguan Co., Ltd.
SKU: 1998056775

Guangdong, ChinaYuhuang Electronics Dongguan Co., Ltd.

US$0.08

1,000-9,999 Pieces

US$0.05

10,000-49,999 Pieces

US$0.02

50,000+ Pieces

Sample price:US$0.20/piece.Request sample

Product profile

Customization

Available

Material

Stainless Steel

Type

Countersunk Head

Model NO.

screw

Groove

Hexagon

Connection

Common Bolt

Head Style

Counter Sunk Bolt

Standard

DIN, GB, ANSI, BSW, JIS, GOST

Grade

Customized

Surface Treatment

Can Be Customized

Size

M1-M10

MOQ

1000 PCS

Length

10-180mm (3/8- 7)

Thread

Sealing Screw

Drive Type

Allen Bolt

Packing

Cartons+Plastic Bags

Head Type

Can Be Customized

Test

RoHS/Reach

Certification

ISO9001/ISO14001/IATF16949

Transport Package

Cartons+Plastic Bags

Specification

M1-M10

Trademark

YUHUANG

Origin

China

HS Code

6307900090

Production Capacity

1000000pieces/Day

Key features

Customizable Specifications: Offer customized head types, sizes (M1-M16), and surface treatments to meet specific requirements.

High-Quality Materials: Available in stainless steel, carbon steel, and brass for durability and corrosion resistance.

Effective Sealing Performance: Equipped with O-rings to prevent liquid, gas, or dust penetration in threaded connections.

25 Years Manufacturing Experience: Established in 1998, providing OEM/ODM services and assembly solutions with 24-hour response.

Strict Quality Control: ISO9001, ISO14001, and IATF16949 certified with 100% inspection before shipping.

Wide Application Range: Suitable for 5G communications, aerospace, automotive, electronics, and energy storage industries.

One-Stop Service: Comprehensive support from raw material selection to final packaging and global delivery.

Fast Customization Lead Time: Custom orders typically completed within 15-25 days with efficient production capabilities.

Company profile

OEM ServicesStandardized quality controlR&D CapabilitiesManagement Certification

Yuhuang Electronics Dongguan Co., Ltd.

Guangdong, China

Business Type: Manufacturer/FactoryExport Year: 2009-05-01Nearest Port: shenzhen, guangzhou, hongkongAverage Response Time: ≤4.08hTerms of Payment: T/T, PayPal, Western Union, etc.International Commercial Terms(Incoterms): FOB, CFR, CIF, DDP, DAP, FCA, EXW

AI-Powered supplier vetting

SummaryDongguan Yuhuang Electronic Technology Co., Ltd. was established in 1998 and integrates production, research and development, sales, and service. The supplier reports eight production lines, 100% finished-product inspection, 35 quality assurance and quality control inspectors in one facility record, and 21–30 quality control staff in another. It supports customization from samples and designs, full and minor customization, and flexible customization. The supplier reports OEM service for popular brands and SDK availability, indicating relevant development capability. Manufacturing contracts with associated subcontractors, overseas warehouse and showroom capabilities, and documented service procedures are reported. However, it reports no overseas agents or branches, no participation in offline trade shows, and zero countries offering overseas services. Financial credibility cannot be assessed because the provided financial fields contain only years rather than financial performance or supporting evidence....

Supplier typeThe supplier is identified as Dongguan Yuhuang Electronic Technology Co., Ltd., established in 1998, and described as an industrial and trade enterprise integrating production, research and development, sales, and service. This supports classifying it as an integrated manufacturer and trading/service supplier.

After-Sales capabilityThe supplier reports overseas warehouse and showroom capabilities and offers debugging, maintenance, repair, training, and equipment installation. It also has documented complaint-handling and corrective-action procedures, but reports no overseas agents or branches and zero countries offering overseas services, limiting evidence of broad local coverage.

R&D capabilityThe supplier reports research and development capability with an available SDK, and its company profile includes research and development among its integrated functions. It also reports total R&D engineer experience of 6–10 years, providing explicit evidence of development capability.

Production capacityThe supplier reports eight production lines, valid manufacturing-capacity contracts with associated subcontractors, inventory capability, and lead times within 15 working days in both peak and off-peak records. Quality controls include 100% finished-product inspection, although the factory does not continuously reconcile quantities for every batch or mass production.

Customization capabilityThe supplier explicitly supports customization from samples, customization from designs, full customization, minor customization, and flexible customization. This directly demonstrates broad customization coverage.

Product Q&A

Q:Are you a trading company or manufacturer?

We are a manufacturer with over 25 years of experience in fastener production in China.

Q:What is your main product range?

We mainly produce screws, nuts, bolts, wrenches, rivets, CNC parts, and provide supporting fastener products.

Q:What certifications do you have?

We hold ISO9001, ISO14001, and IATF16949 certifications, and all products conform to REACH and ROHS standards.

Q:What are your terms of payment?

For new clients, we accept 30% deposit via T/T, PayPal, Western Union, or Check, with the balance paid against the B/L copy. Existing clients may enjoy 30-60 days credit terms.

Q:Can you provide samples? Is there a fee?

Free samples are provided if matching molds are in stock, with freight collected. If no mold is available, mold costs apply, which may be refunded for orders over one million pieces.