How long is your delivery time?

For normal products in 7-10 days; For bulk order, in 15-25 days. It depends.

What is the warranty time?

3 years warranty for all of our stainless steel products. Gaskets or the easy broken parts are not included due to the different application for customers.

14 years in this industry. It makes us professional. Good credit in this market. All of our machines are the assurance of our responsibility.

Do you offer free samples?

Free samples can be provided for first cooperation under sincere cooperation.

1PCS MOQ is welcome for starting cooperatoon

Is material certificate available?

Material certificaite, mill certificate, pressure testing certificate, roughness certificate, measure certificate, RT certificate, ...Can be available, please declare when inquiry us.

Precision Hexagonal Carbon Steel Spring Washer Combination Bolt Used for Fixing Instruments and Meters

Name: Precision Hexagonal Carbon Steel Spring Washer Combination Bolt Used for Fixing Instruments and Meters
Brand: Ruian Yiteng Hardware Products Co., Ltd.
SKU: 2217394395

Zhejiang, ChinaRuian Yiteng Hardware Products Co., Ltd.

US$0.068-0.07

100,000 Pieces

Product profile

Customization

Available

Material

Carbon Steel, Alloy Steel or Custom

Type

Hexagon Head

Model NO.

YT93

Connection

Hinged Bolts

Head Style

Hexagonal

Standard

Grade

Application

Machinery, Chemical Industry, Environmental, Building

Finish

Environmentally Friendly Black Zinc

Hv

Core 270-390hv10 Surface ≥ 450 Hv0.3

Service

OEM/ODM

Drive Style

External Hex

Delivery Time

30 Days

Breaking Torque

St4.8*13

Transport Package

Customizable

Specification

M6ST4.8*13

Trademark

Yiteng Hardware

Origin

Wenzhou, Zhejiang Province

HS Code

731819000

Production Capacity

500000

Key features

Professional Customization: Supports custom specs, precision, thread length, and surface treatment for special scenarios.

High-Quality Carbon Steel: Features high strength, good toughness, and stable performance for reliable fastening.

Strict Quality Control: Full-process QC with spectro PMI machines and hardness testing ensures consistent quality.

Versatile Applications: Suitable for machinery, construction, automotive, furniture, and electrical components.

Comprehensive Warranty: One-year warranty with free repair or replacement for non-human-induced quality issues.

Fast Response Support: Professional after-sales team responds within 24 hours to solve problems promptly.

OEM/ODM Service: Provides OEM and ODM services with import-export capability for global clients.

Certified Manufacturing: Factory certified to IATF 16949:2016 with advanced techniques and strict QC.

Company profile

Ruian Yiteng Hardware Products Co., Ltd.Zhejiang, China

Business Type: Manufacturer/FactoryExport Year: 2024-12-19Nearest Port: ningboAverage Response Time: ≤5.82hTerms of Payment: LC, Money Gram, T/T, etc.International Commercial Terms(Incoterms): FOB, CPT, EXW, CFR, CIF, DAT

AI-Powered supplier vetting

SummaryRuian Yiteng Hardware Products Co., Ltd. is identified as a Chinese manufacturer/factory established in 2017, producing hardware, sanitary ware, fasteners, grab bars, and automotive-related products. It reports ISO 9000 and ISO 9001 management-system certifications, more than 10 production lines, 6–10 quality-control staff, and 6–10 years of R&D-engineer experience. Reported annual output is 40,000,000 pieces of standard fasteners and SS304 grab bars, with peak-season order fulfillment of 2–3 months. The supplier states that it provides OEM/ODM customization and conducts rigorous product testing, but the provided information does not independently verify these claims. After-sales service, customer cases, and financial credibility cannot be adequately assessed from the available slices.

Supplier typeThe supplier is explicitly identified as a Manufacturer/Factory and describes its own manufacturing and sales activities in hardware, sanitary ware, automotive and motorcycle accessories, wires and cables, and electrical accessories. This supports classification as a manufacturing supplier rather than a trading-only entity.

CertificationsThe supplier reports holding ISO 9000 and ISO 9001 certifications. The slices do not provide certificate numbers, issuing bodies, validity dates, or scope, but the stated certifications are explicit evidence of certification holding.

R&D capabilityThe supplier states that its R&D team continuously develops new solutions, and the slices report 6–10 years of total R&D-engineer experience. Its 2017 establishment and stated focus on innovation support the claim, although no patents, development projects, or independently verified innovation results are provided.

Production capacityThe supplier reports more than 10 production lines, 6–10 quality-control staff, and annual output of 40,000,000 pieces of standard fasteners and SS304 grab bars. It also reports one-month off-peak lead times and 2–3-month peak-season fulfillment, providing explicit evidence of established production capacity.

Customization capabilityThe supplier explicitly offers OEM/ODM services for tailored product specifications and states that its R&D team develops solutions for evolving market demands. This is direct evidence of customization capability, although the available slices do not specify customization limits, tooling resources, or examples of completed projects.

Product Q&A

Q:Are you a trading company or factory?

We are a manufacturer factory and we also have our own exporting license.

Q:Do you have certificates?

Yes, ISO, FDA, LFGB, CE, PED certificate. We also have some patents in design.

Q:How do you control the quality?

In quality control, the most important is to avoid material mixing. In our factory, 3 spectro PMI machines are used in raw material warehouse, production plant, dispatch plant. Pressure inspecting machine, PMI machines, RA roughness spector, hardness testing machine...All machines help in inspection. 2 staff inspect during production in different sections 5 staff inspect the finished productions to avoid shortage, poor quality, mixing chemical...

Q:How many factories do you have?

Under the esteemed Joneng enterprise, we proudly operate three specialized manufacturing facilities. Jiayuan excels in producing elbow, tee, and reducer fittings in both sanitary and schedule grades; Lingdong focuses on precision-engineered ferrules, unions, sight glasses, and butterfly valves using advanced CNC technology; while Ezo specializes in designing high-quality manhole covers and small tanks to meet diverse industrial needs.

Q:If there is any quality problem, how do you solve it?

We are very proud that we never make one customer leave us. We are not 100% perfect, there is some quality problem. Normally replacement, or compensation, or resend goods to customers as per the condition. To be discussed as per condition.