What is your quality control process?

We perform 100% inspection during production and conduct random sampling before shipment to ensure quality standards.

What certifications do your products hold?

Our products comply with ISO9001:2008 standards and various thread standards including ISO, DIN, GB, and ACME.

What are the main application areas for these products?

Our products are widely used in smart home devices, elderly chairs, lifting tables, door openers, farming machinery, and sports equipment.

Acme 7/8-4 Trapezoidal Drive Thin Thread Tooth Lead Screw with Nut

Name: Acme 7/8-4 Trapezoidal Drive Thin Thread Tooth Lead Screw with Nut
Brand: Ningbo Langchi Transmission Technology Co., Ltd.
SKU: 795256305

Zhejiang, ChinaNingbo Langchi Transmission Technology Co., Ltd.

Negotiable

1 Piece

Sample price:US$1.00/piece.Request sample

Product profile

Customization

Available

Material

Carbon Steel

Type

Round Head

Model NO.

Nblangchi-050

Groove

Trapezoidal

Connection

Common Bolt

Head Style

Round

Standard

DIN, GB, ISO

Grade

Size

Acme 7/8-4

Surface Treatment

Polish

Tooth

Thin Thread Tooth

Color

Natural

Transport Package

Bubble Bag+Carton+Wooden Case or up to You

Specification

ISO9001

Trademark

Nblangchi

Origin

Ningbo, Zhejiang, China

HS Code

8483401000

Production Capacity

100, 000PCS/Month

Key features

Customizable Specifications: Special specifications, dimensions, and surface treatments can be customized per customer drawings and requirements.

Wide Material Selection: Available in carbon steel, stainless steel, aluminum, copper, bronze, POM, and other materials as requested.

Comprehensive Surface Treatment: Options include polishing, blacking, anodizing, chrome plating, zinc plating, nickel plating, and tinting.

OEM and ODM Services: Full OEM and ODM services available for lead screws, nuts, and worm gears with custom designs.

High Precision Manufacturing: Produced using over 250 sets of advanced CNC equipment including lathes, mills, and grinding machines.

Strict Quality Control: 100% inspection during production and random sampling before shipment to ensure ISO9001:2008 standards.

Fast Sample Delivery: Sample production completed within 7-15 days, with batch production taking approximately 30 days.

Versatile Application Areas: Suitable for smart home, elderly chairs, lifting tables, door/window openers, farming machinery, and sports equipment.

Company profile

Ningbo Langchi Transmission Technology Co., Ltd.

Zhejiang, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service AvailableExport Year: 2016-02-29 CertifiedNearest Port: Ningbo PortAverage Response Time: ≤18h CertifiedTerms of Payment: T/T

AI-Powered supplier vetting

SummaryNingbo Langchi Transmission Technology Co., Ltd. is a China-based limited company in Ningbo, Zhejiang, established in 2016, with 52 employees and a 3,650 m² manufacturing plant. The supplier describes itself as a manufacturer of lead screws, nuts, worms, and worm gears, while another record classifies its company nature as a trading company. It holds an ISO 9001:2015 certificate, operates more than 10 production lines, and has 6–10 quality-control staff. Products support multiple international thread standards and materials, with stated customization for special specifications, screws, nuts, and M0.5–M6 worm and worm-wheel modules. Export markets span Africa, East Asia, Europe, Australia, and North America. Off-peak lead time is within 15 working days and peak-season fulfillment is one month. Evidence is insufficient to assess after-sales service, financial credibility, or customer cases.

Supplier typeThe supplier is legally identified as a combined, limited company established in China, while its company nature is separately recorded as a trading company. Its own description presents it as a professional manufacturer of screws, nuts, worms, and worm wheels, indicating a mixed manufacturing and trading profile.

CertificationsThe supplier explicitly reports holding an ISO 9001:2015 management-system certificate. This provides documented evidence of a quality-management certification, although no additional certifications are stated.

R&D capabilityThe supplier supports international, DIN103, and ACME thread standards, multiple material options, one-start and multi-start screws, and left- and right-hand screw configurations. However, the stated R&D engineer experience is three years, and there is no evidence of patents, proprietary technology, or formal product-development results.

Production capacityThe supplier reports 52 employees, a 3,650 m² plant, more than 10 production lines, 6–10 quality-control staff, and ISO 9001:2015 certification. It also states an off-peak lead time within 15 working days and peak-season fulfillment within one month, supporting a demonstrated production and delivery capacity.

Customization capabilityThe supplier explicitly states that special specifications can be customized according to customer requests, including screws, nuts, and M0.5–M6 worm and worm-wheel modules. Its product description also covers varied thread configurations and materials, providing direct evidence of customization breadth.

Product Q&A

Q:Can the product specifications be customized?

Yes, special specifications, dimensions, and surface treatments can be customized according to customer drawings and requirements.

Q:What materials are available for the lead screw and nut?

Lead screws are available in carbon steel, alloy steel, stainless steel, copper, and aluminum. Nuts can be made from brass, bronze, POM, cast iron, and more.

Q:What is the lead time for samples and batch production?

Sample delivery takes 7-15 days, while batch production typically requires 30 days.

Q:Do you offer OEM and ODM services?

Yes, we provide both OEM and ODM services for lead screws, nuts, and worm gears.

Q:What surface treatment options are available?

We offer blacking, polishing, anodizing, chrome plating, zinc plating, nickel plating, tinting, and other treatments as required.