The 3.9mm Stainless Steel Male Snap Button Connector is a precision-machined medical-grade component designed for reliable electrical connection in ECG, TENS, EMS, and other physiotherapy or monitoring devices.
Manufactured using high-quality stainless steel, this snap button offers excellent conductivity, corrosion resistance, and long-term durability. It is widely used in medical electrode pads, ECG lead wires, wearable monitoring devices, and rehabilitation equipment.
Product feature
Manufactured from premium stainless steel to ensure:
Long service life
Strong corrosion resistance
Stable electrical performance
Fully compatible with:
ECG electrode pads
Medical lead wires
Rehabilitation & monitoring devices
Secure snap connection
Resistant to repeated plugging/unplugging
No deformation during long-term use
Clean production environment
Strict QC inspection
Suitable for medical and wearable healthcare products
We support:
Custom sizes & structures
Surface treatment options
Branding & packaging
Large-scale mass production
This 3.9mm snap button is widely used in:
ECG monitoring cables
TENS / EMS therapy devices
Electrode pads
Physiotherapy equipment
Wearable medical devices
Rehabilitation systems
Medical sensor connections
Strong R&D Team – Custom design & engineering support
ISO 9001 / ISO 13485 Certified
Stable Quality Control System
Fast Sampling & Mass Production
Experienced in Medical Cable & Connector Manufacturing
We specialize in medical cable assemblies, snap connectors, electrode accessories, and custom interconnect solutions for global medical device brands.
3.9mm Female Snap Connector
ECG Lead Wire Assemblies
TENS Electrode Cables
Medical Snap Button Electrodes
Custom Medical Cable Assemblies
Stainless Steel Medical Contacts
Standard export packaging
Custom packaging available
Short lead time
Global shipping support
Looking for a reliable manufacturer of 3.9mm snap connectors or medical cable assemblies?
![]()
![]()
Company Introduction
![]()
FAQ
Q1: Can I start a sample order first before ordering more?
A: Sure, Goochain provide free samples if we have stock, sample customized should be charged some set up cost. We appreciate you to order sample from us to check our quality.
Q2: What payment methods do you accept?
A: Alibaba Trade Assurance, PayPal, T/T, Bank Transfer, Western Union and L/C
Q3: How does your factory do regarding quality control?
A: Quality is priority. QC department with professional quality assurance specialist attach great importance to quality controlling from the very beginning to the very end. Our factory has gained FDA Registered,Rohs, SGS, CE FCC,ISO9001:2008 ISO13485authentication. Etc
Q4: Factory? Yes! Can I customize items I like, such as to print our own logo, or to alter the design?
A: Yes, we are a factory with more than 100 employees. We offer OEM/ODM service. Please contact us or our sales representative to check with the details.
Q5: Delivery time and warranty? Which shipping service you will use for my goods?
A: Our lead time is around 2-4 weeks, and we can provide 12 months warranty since delivery. We used DHL,Fedex,UPS,TNT,EMS as customer like.
Q6: Where is your factory located? How can I visit there?
A: Sure. We are more than happy to receive you in Dongguan and show you around our workplace.
Keep required fields minimal. Attach drawings/photos for accurate quoting.
Tip: A simple installation photo often saves 2–3 rounds of questions.
Quotation 1–2 days; development 15–20 days; mass production 20–25 days (project dependent).
Yes. Reference sample + requirements helps confirm drawings and test plan.
Depends on materials and complexity. We support prototypes and scalable mass production.