What are the available shaft diameter sizes?

The coupling supports shaft fit sizes ranging from 6mm to 50mm (equivalent to 1/4'' to 2'').

Is customization available for this product?

Minor customization options are available, including specific keyway requirements and material selections.

What is the lead time for production?

The average lead time is one month during the off-season, and 1-3 months during the peak season.

One-Piece, Two-Piece Clamping Type Rigid Shaft Coupling

Name: One-Piece, Two-Piece Clamping Type Rigid Shaft Coupling
Brand: Chengdu Unik Machinery Co., Ltd.
SKU: 772787825

Sichuan, ChinaChengdu Unik Machinery Co., Ltd.

US$2.50

5 Pieces

Sample price:US$6.00/piece.Request sample

Product profile

Customization

Available

Standard Or Nonstandard

Standard

Shaft Hole

10-32

Model NO.

R1M-B-20-20-KW

Torque

>80N.M

Bore Diameter

6-50mm

Structure

Rigid

Material

Carbon Steel

Type

Rigid Coupling

One-Piece

with Keyway

Two-Piece

Easy Assembly

Clamping Type

Use on Hardened Shaft

Carbon Steel

Black Oxidized

Transport Package

in Fumigated Wooden Cases

Specification

RSC1-6-ST-KW

Trademark

Unik Machinery

Origin

China

HS Code

8483900000

Production Capacity

50, 000 Pieces/Month

Key features

Zero Backlash Rigid Connection: Ensures precise alignment between shafts with no torsional play or backlash.

High Torque Capacity: Capable of transmitting torque exceeding 80N.M for demanding applications.

Easy Two-Piece Assembly: Two-piece design allows disassembly and maintenance without removing other components.

Shaft Protection Design: Prevents shaft damage and fretting during high torsional holding power operation.

Cost-Effective Solution: Basic rigid coupling design offers high strength and economy for various industries.

Multiple Material Options: Available in Carbon Steel (Black Oxidized) and Stainless Steel for different environments.

Wide Size Range: Supports shaft diameters from 6mm to 50mm (1/4'' to 2'') with keyway options.

High Precision Tolerance: Features H8 tolerance and low roughness for critical alignment applications.

Company profile

High Repeat Buyers ChoiceYears of Export ExperienceExhibition ExperienceQA/QC Inspectors

Chengdu Unik Machinery Co., Ltd.

Sichuan, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedCustomization Options: Minor Customization CertifiedExport Year: 11 Years CertifiedNearest Port: Shanghai PortAverage Response Time: ≤1.95h CertifiedTerms of Payment: LC, T/T, D/P, etc.

AI-Powered supplier vetting

SummaryThe supplier is a China-based manufacturer specializing in transmission and machining products, including keyless locking devices, timing belt pulleys, bushings, couplings, gears, and related parts. It holds ISO 9001 certification, reports two production lines, 6–10 quality-control staff, and stated annual outputs of 150,000 keyless locking devices and 300,000 timing belt pulleys. Export activity is substantial, with 90% of sales from exports and 11 years of exporting experience. Service procedures exist for supplier assessment and corrective actions, but some lack written records; the supplier has no overseas agents, warehouses, showrooms, inventory service, or valid manufacturing-capacity contract with affiliated subcontractors. R&D and 3D design capabilities are limited, with only minor customization and no new products reported in the past year. Financial credibility cannot be assessed because the supplied financial figures are incomplete and inconsistent; financial data is not reproduced here.

Supplier typeThe supplier is identified as not being a professional technical supplier and operates as a manufacturer of keyless locking devices, timing belt pulleys, couplings, gears, and other machining parts. Its facilities include CNC machining and turning equipment, supporting classification as a machining and mechanical-transmission product manufacturer.

CertificationsThe supplier reports holding ISO 9001 certification, and the quality-assurance information states that quality assurance is present. This provides explicit evidence of a formal quality-management certification.

After-Sales capabilityThe supplier has a clear customer-complaint procedure with follow-up records and accepts multiple quotation and payment terms. However, corrective and preventive actions lack written records, and the supplier has no overseas agents or branches, overseas warehouse, showroom, or in-stock service capability, limiting documented and localized after-sales support.

R&D capabilityThe supplier reports no professional technical R&D capability, no 3D software design service, and no new product in the past year. Although 6–10 years of total R&D-engineer experience is reported, the stated lack of recent product development indicates limited demonstrated innovation.

Production capacityThe supplier operates two production lines and reports annual output of 300,000 timing belt pulleys and 150,000 keyless locking devices, with 6–10 quality-control staff and documented finished-product inspection instructions. Capacity assurance is weakened because there is no in-stock service capability, no valid manufacturing-capacity contract with affiliated subcontractors, and peak-season lead-time data is unclear.

Customization capabilityThe supplier explicitly provides minor customization and has design-service capability limited to minor customization. This confirms some customization ability, but not broad or advanced engineering customization.