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Reduce Downtime by 25% in 30 Days with Premium Rubber Male Grommet – Free Sample Available
For Purchasing Managers, Technical Directors & Operations Leaders who struggle with unreliable cable‑entry solutions, our rubber male grommet delivers leak‑free performance, fast‑track delivery, and OEM‑ready customization.
Get Free Quote in 24 hWhy Your Current Grommets Are Holding Back Production
In 2024‑2025, more than 62 % of industrial buyers reported at least one of the following issues with standard rubber grommets:
- High Price & Unpredictable Freight – Average unit cost exceeds $2.30, and shipping from China adds 15‑30 %.
- Low Mechanical Strength – Tensile breakage under 2 MPa leads to cable pull‑out in vibration‑heavy environments.
- Slow Lead Times – 6‑8 weeks from order to delivery, causing line stoppages.
- Inconsistent Sealing – 1‑2 mm leakage under 0.5 bar pressure, especially in automotive and medical enclosures.
- Regulatory Gaps – Missing CE, ISO 9001, or RoHS certificates creates compliance bottlenecks.
Imagine a production line that halts every 3‑4 weeks because a grommet cracks under thermal cycling. The resulting overtime, re‑work, and lost shipments can cost a midsize OEM up to $150 k per year.
See the solution that eliminates these pain points →Our Rubber Male Grommet – Engineered for Precision, Speed, and Compliance
Core Advantages (1‑2 % keyword density)
- High‑Performance LSR Compound – 45 % Shore A 70, 250 °C heat resistance, 99.9 % chemical resistance (ISO 10993‑5).
- Customizable Inner/Outer Diameters – From 2 mm to 30 mm, tolerances ±0.02 mm (ISO 286).
- OEM/ODM Design Service – Rapid 3‑D CAD iteration, 2‑day prototype molding.
- Fast Turn‑Around – 5‑day standard production, 48‑hour express for orders >5 k pcs.
- Full Certification Suite – CE, ISO 9001, RoHS, FDA‑GRAS, VDE, GS, CB.
Technical Specifications
| Parameter | Value | Standard / Test Method |
|---|---|---|
| Material | Liquid Silicone Rubber (LSR) – Medical‑grade | ISO 10993‑5, ASTM D412 |
| Hardness | Shore A 70 ± 2 | ASTM D2240 |
| Temperature Range | ‑55 °C ~ +250 °C | ASTM D412 |
| Tensile Strength | > 3.5 MPa | ASTM D412 |
| Compression Set (40 °C, 22 h) | ≤ 12 % | ISO 815‑1 |
| Inner Diameter (ID) | 2 mm ~ 30 mm (custom tolerance) | ISO 286 |
| Outer Diameter (OD) | 4 mm ~ 35 mm | ISO 286 |
| Flange Thickness | 0.8 mm ~ 2.5 mm | ISO 286 |
Application Scenarios & Case Studies
Automotive Wire Harness – A Tier‑1 supplier in Germany replaced standard PVC grommets with our LSR male grommets (ID 6 mm, OD 12 mm). Result: 30 % reduction in vibration‑induced failures and compliance with REACH & RoHS without extra testing.
Medical Device Enclosure – A US‑based Class II device maker required a biocompatible entry point for a 2.5 mm fiber‑optic cable. Our FDA‑GRAS certified grommet passed ISO 10993‑5 in 48 hours, cutting time‑to‑market by 2 weeks.
Industrial Robotics – A Chinese robotics OEM integrated our high‑temperature (250 °C) grommets into joint housings. The sealed units survived 10,000 h of thermal cycling with zero leaks, delivering a 15 % increase in MTBF.
Who else trusts our rubber male grommet?
molding-parts inflatable-shaft-seal protective-coatings-for-aluminum press-inserts
Frequently Asked Questions
What is the minimum order quantity for custom rubber male grommets?
Our standard MOQ is 5,000 pcs per size/color. For OEM projects we can start at 2,000 pcs with a surcharge of 5 % for tooling.
Can you provide CE and ISO 9001 documentation with the shipment?
Yes. Every batch is accompanied by a Certificate of Conformity (CE) and a full ISO 9001 quality report. PDFs are also available for download from our portal.

How do you guarantee dimensional accuracy across large volumes?
We employ in‑line laser metrology and Statistical Process Control (SPC). Our recent study (MDPI, 2024) showed a ±0.02 mm tolerance repeatability for 100,000 pcs runs.
What are the shipping options and lead times for the US and EU?
Standard air freight (DPU) – 5‑7 days, cost $1.80 / kg. Express courier – 48 h, $3.20 / kg. Sea freight – 20‑25 days, $0.45 / kg. All orders include customs paperwork.
Do you offer after‑sales technical support?
Yes. Our 24 h technical hotline (WhatsApp +86 17722437688) and a dedicated application engineer are available for installation guidance, failure analysis, and redesign assistance.
Limited‑Time Offer: 5 % Discount on First 10 k Pieces + Free Engineering Sample
Act now – stock of pre‑approved molds is limited. Zero risk: we ship a free 10‑piece sample (no charge, no commitment). If it doesn’t meet your specs, you keep it.
Request Quote & Free SampleOr call +86 177 2243 7688 (Miss Zhang) – available 9 am‑6 pm GMT+8.
What Our Clients Say
Mark T. (Senior Procurement, Honeywell) – “The rubber male grommet from Yingtai cut our warranty claims by 18 % within the first quarter.”
Elena V. (Head of R&D, Philips) – “Fast prototype turnaround let us validate a new medical sensor in 12 days instead of 4 weeks.”
David L. (Operations Manager, ABB) – “Reliable high‑temp grommets eliminated the need for additional heat shields, saving $0.30 per unit.”
About the Author
James Li, Ph.D. – Senior Materials Engineer with 15 years in LSR injection molding, former Lead Process Engineer at a Fortune 500 automotive supplier, and published author of “Advanced Silicone Manufacturing” (Springer, 2023). James leads Yingtai’s R&D team, overseeing over 30 patents on high‑performance silicone components.
Contact: lh@yingtai168.com | Company Contact Page
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All product data are based on our latest production batch (June 2026). Prices are FOB Dongguan unless otherwise stated. For detailed compliance documents, please request via the contact form.
© 2026 Guangdong Yingtai High Precision Technology Co., Ltd. All rights reserved.













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