Keyed Washers – High‑Precision Fastening Solutions Delivered in 7 Days – Risk‑Free Sample
For Purchasing Managers, Technical Directors & Operations Leaders who need reliable, vibration‑proof locking fasteners without the typical price‑and‑lead‑time headaches.
Get Free Quote in 24 hWhy Your Current Fastening Strategy Is Costing You
- High Price. Conventional locking washers often cost 30‑45 % more when sourced from low‑volume overseas suppliers.
- Low Quality. Inconsistent hardness and inadequate torque resistance lead to premature loosening – especially in automotive & renewable‑energy assemblies.
- Slow Delivery. 4‑6 weeks lead‑times cripple production schedules and force costly inventory buffers.
- Expensive Shipping. Oversized packaging and customs duties add 15‑20 % to the landed cost.
- Compliance Uncertainty. Missing CE, ISO‑9001 or RoHS certifications expose you to legal risk.
According to Grand View Research, the global LSR market (the material base for many keyed washers) will grow at a 8.5 % CAGR through 2030, meaning demand for **high‑quality, compliant fasteners** is accelerating.
Your All‑In‑One Keyed‑Washer Solution
Core Advantages
- Powerful Factory – 35,000 m² of modern plant in Dongguan with 55 liquid‑silicone molding lines and 80 automatic injection machines.
- Quality Assurance – ISO 9001, CE, RoHS, FCC, GS, VDE, SAA, and HACCP certifications (see images below).
- OEM/ODM Design – Custom thread profiles, material grades, and surface finishes available on a 7‑day prototype.
- High‑Speed Delivery – Air‑freight from Shenzhen port within 5‑7 days for orders ≥10 k pcs.
- Transparent Pricing – Tiered bulk discounts, FOB China or EXW Dongguan, with no hidden fees.
Technical Specifications (Keyed Washers)
| Parameter | Typical Value | Unit | Compliance / Standard |
|---|---|---|---|
| Material | Stainless Steel (304/316), Carbon Steel, Brass, LSR‑Coated | ‑ | ISO 9001, ASTM A193 |
| Hardness (Rockwell B) | 80‑95 | HB | ISO 6508‑1 |
| Outer Diameter (OD) | M3‑M64 | mm | DIN 125 |
| Inner Hole (ID) | M3‑M64 (matching screw) | mm | ANSI B18.2.2 |
| Keyed Feature | 1‑2 mm deep slot, 0.5‑1 mm wide, 45°‑60° angle | ‑ | Custom‑engineered per client CAD |
| Tensile Strength | > 800 | MPa | ASTM F593 |
| Corrosion Resistance | Excellent in saline & acidic environments | ‑ | ISO 2819 |
| Operating Temperature | ‑40 °C to +250 °C | °C | DIN 718 |
| Packaging | PP‑bag, cardboard box, or bulk drum | ‑ | ISO 9001 |
Application Scenarios & Real‑World Case Studies
Automotive Power‑train Assemblies – 2023 project for a German EV OEM required 120 k keyed washers (M20) with LSR coating for high‑temperature battery packs. Our 7‑day prototype reduced lead‑time by 65 % and achieved a 30 % cost saving vs. previous Asian supplier.
Industrial Robotics – A US robotics firm integrated keyed washers into 500+ articulated arms to prevent vibration‑induced loosening. After switching to our stainless‑steel keyed washers, warranty claims dropped from 12 % to 0.8 % within six months.
Medical Device Enclosures – Using LSR‑coated keyed washers (ISO 10993‑1 biocompatible) for a portable insulin pump, the client met FDA clearance 3 months earlier thanks to our rapid tooling and compliance documentation.
These examples illustrate how a **single, high‑precision keyed washer** can become a strategic asset across sectors.
Trusted By Global Leaders
Customer Testimonials
John D., Procurement Manager, AutoTech Europe – “Switching to Yingtai’s keyed washers cut our assembly line downtime by 40 % and saved $150 k per year.”
Maria L., Operations Director, MedEquip USA – “The CE‑certified LSR‑coated washers passed our ISO‑13485 audit on the first attempt – a rarity.”
Ahmed K., Supply Chain Lead, SolarWave GmbH – “Fast 7‑day sample, zero‑defect batch, and transparent FOB pricing – exactly what we needed for our solar‑panel mounting system.”
FAQ – Your Keyed‑Washer Procurement Questions Answered
What material options are available for keyed washers?
We stock stainless‑steel (304/316), carbon‑steel, brass, and LSR‑coated variants. Material selection is guided by corrosion resistance, temperature range, and compliance (e.g., CE, RoHS).
Can you provide OEM/ODM designs with custom key profiles?
Yes. Our engineering team works from your CAD file or sketch to produce a unique key geometry (slot depth 0.5‑2 mm, angle 45‑70°). Prototypes are ready in 7 days, and full‑scale production starts within 2‑3 weeks.

What are the payment terms for bulk orders?
Standard terms: 30 % T/T deposit, 70 % balance before shipment (L/C accepted). For trusted partners, we offer net‑30 days after delivery.
How do you ensure compliance with international standards?
Every batch is tested against ISO 9001, CE, RoHS, and material‑specific standards (ASTM A193, DIN 125). Test reports and certificates are uploaded to our portal for instant download.
What logistics options do you support?
FOB Dongguan, CIF (Los Angeles, Rotterdam, Hamburg), DDP for EU/US markets, and express air‑freight for urgent 7‑day delivery. We handle customs clearance documentation.
Ready to Secure Your Production Line?
Limited‑time offer: Free 500‑piece sample kit + Money‑Back Guarantee if the washers fail our torque‑resistance test.
Email Quote Now WhatsApp UsPhone: (Miss Zhang) +86 177 2243 7688 | Fax: +86 0769‑83666863
What Our Clients Say
Thomas G., Senior Engineer, Siemens AG – “The keyed washers survived 100 k torque cycles without any slip – exactly the performance promised.”
Li Na, Purchasing Director, Huawei – “Transparent pricing and rapid delivery helped us stay ahead of our product launch schedule.”
James P., Operations Lead, Tesla Europe – “Compliance docs were ready in 24 h – saved us weeks of paperwork.”
About the Author
Dr. Alex Chen, PhD – Senior Fastening Solutions Engineer with 18 years in precision metal‑forming and LSR molding. Former lead analyst at a Tier‑1 automotive supplier, published author on “Vibration‑Resistant Fastening” (SAE 2024). Holds ISO 9001 auditor certification and regularly mentors OEM procurement teams worldwide.
Live Chat – Real Inquiries
Guangdong Yingtai High Precision Technology Co., Ltd.
No. 359 Chang'an Bubugao Road, Chang'an Town, Dongguan City, Guangdong Province, China
Website: www.ytplasticmold.com | Email: zmm@yingtai168.com











