What is your delivery time?

Standard parts take 7-15 days. Non-standard parts take 15-25 days. We ensure delivery as soon as possible while guaranteeing quality.

How to custom-made (OEM/ODM)?

If you have a new product drawing or sample, please send it to us. We can custom-make the hardware as required and provide professional advice to maximize performance.

Which mode of transport would be better?

Generally, we advise sea delivery as production items are heavy. However, we respect your views on other transportation methods as well.

30crmnsia Left-Hand Thread Screw M1.8 Slotted Cheese Head Precision Turning Fastener

Name: 30crmnsia Left-Hand Thread Screw M1.8 Slotted Cheese Head Precision Turning Fastener
Brand: Kunshan Hongyongsheng Precision Hardware Products Co., Ltd.
SKU: 2291065695

Jiangsu, ChinaKunshan Hongyongsheng Precision Hardware Products Co., Ltd.

US$0.01-0.10

10,000 Pieces

Sample price:US$0.01/piece.Request sample

Product profile

Customization

Available

Material

Stainless Steel

Type

Slotted Screw

Model NO.

Hys758151.021

Groove

Slotted / Flathead Slot

Connection

Threaded Connection

Head Style

Cheese Head / Cylindrical Head

Standard

DIN, GB, ANSI

Grade

Custom Grade (30crmnsia, HRC34-39)

Customized

Yes

Drawing

Yes

Application

Precision Instruments, Industrial Equipment

Process

CNC Turning, Heat Treatment, Full Inspection

Service

We Support OEM and ODM

Thread Type

Metric M1.8 Left-Hand Thread (M1.8×0.35-6h-Lh)

Finish

Natural Color / as Machined, No Plating

Key Dimensions

Head Diameter φ3.0±0.1mm,L6±0.1mm

Tolerance

ISO Standard Tolerance, Custom Precision ±0.01mm

Material Grade

30crmnsia Alloy Steel, HRC34-39 (Heat Treated)

Key Features

Left-Hand Thread, Slotted Cheese Head

Quality Control

100% Visual & Dimensional Inspection

Transport Package

Polybag+Export Strong Carton

Specification

Custom M1.8×0.35-6h-LH Slotted Screw, Φ3.0×6mm

Trademark

HYS

Origin

China

HS Code

7318150090

Production Capacity

100ton/Month

Key features

OEM and ODM Support: Full customization support including drawing-based machining and sample development.

High Precision Manufacturing: CNC turning and tapping processes ensure high-precision parts with strict tolerance control.

Heat Treatment Capability: Materials hardened to specific HRC ranges (e.g., 21-30) for enhanced strength and wear resistance.

100% Quality Inspection: Comprehensive quality control including visual inspection, dimensional checks, and first article approval.

Custom Surface Finish: Natural color or as-machined finish available without plating, tailored to customer needs.

Wide Industry Application: Suitable for automotive, aerospace, robotics, medical, and precision machinery sectors.

Flexible Customization Options: Options include customization from samples, designs, full customization, and minor adjustments.

Company profile

Importers and ExportersHigh Repeat Buyers Choice

Kunshan Hongyongsheng Precision Hardware Products Co., Ltd.

Jiangsu, 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: 10 years CertifiedNearest Port: ShanghaiAverage Response Time: ≤1.28h

AI-Powered supplier vetting

SummaryKunshan Hongyongsheng Precision Hardware Products Co., Ltd. is a China-based factory established in 2016, with 25 employees and a business scope covering automotive parts, mechanical components, furniture parts, plastic products, metal materials, and mechanical equipment. It offers extensive customization and ODM services, reports new product development within the past year, and provides OEM services to well-known brands. Production-related evidence includes CNC and machining equipment, five quality inspectors, standardized finished-product inspection instructions, and peak/off-season lead times within 15 working days. Service procedures cover supplier assessment, corrective and preventive actions, and customer complaints, although overseas service infrastructure is absent. An SGS audit report is identified, but the provided data does not state a certification or a positive audit result. Financial information is present only as year labels, so financial strength cannot be assessed. Customer and brand...

Supplier typeThe supplier is identified as a factory and a limited company located in Kunshan, Suzhou, Jiangsu, China. It was established on March 10, 2016, and has 25 employees, indicating a relatively small manufacturing enterprise.

After-Sales capabilityThe supplier has written procedures and records for customer complaint handling, corrective and preventive actions, and service-capability assessment. However, it has no overseas warehouses, showrooms, agents or branches, has not participated in offline trade shows, and reports zero countries with overseas services.

R&D capabilityThe supplier reports that it had new products within the past year and provides ODM services. It does not have an available SDK, but SDK availability is not sufficient by itself to negate the stated product-development capability.

Production capacityThe supplier operates as a manufacturing factory covering automotive, mechanical, furniture, plastic, and related products. It lists CNC lathe, machining center, and screening-machine capabilities, employs five quality inspectors, follows standardized finished-product inspection instructions, and reports lead times within 15 working days in both peak and off-season.

Customization capabilityBoth the R&D and design-capability records identify customization from samples, customization from designs, full customization, minor customization, and flexible customization. The supplier also reports ODM availability, providing explicit evidence of broad customization support.

Product Q&A

Q:Why choose us?

We provide first-class services in supplying quality fasteners while minimizing costs. Our vision is to build successful relations with partners, and our mission focuses on professional customer service and technological innovation. We offer reasonable quality and price, provide market sales suggestions, and welcome your ideas.

Q:How is quality ensured?

All processes strictly adhere to ISO9001:2008 procedures. We maintain strict quality control from production to delivery, supported by strong technology and a management team familiar with modern quality concepts.

Q:What if I cannot find the product I need on your website?

You can send pictures, photos, or drawings via email for us to check availability. We develop new models monthly. Alternatively, you can send samples via DHL/TNT, and we will develop a new model specifically for you.

Q:Can you strictly follow the tolerance on the drawing and meet high precision?

Yes, we can. We provide high-precision parts and manufacture them exactly according to your drawings.

Q:How should I order and make payment?

Payment is by T/T. For samples, 100% payment is required with the order. For production, a 30% deposit is paid by T/T before arrangement, with the balance paid before shipment.