Capsule-Type Hardware Wallet / Customizable / Single or Bulk Customization / Manufacturer Direct
Capsule-Type Bitcoin Hardware Wallet / Customizable / Single or Bulk Customization / Manufacturer Direct This product is a capsule-shaped metal seed phrase storage wallet specifically designed for cryptocurrency users. It is crafted using precision metalworking techniques and is designed to physically preserve BIP39-standard mnemonic seed phrases permanently. The product is made from stainless steel and features high-precision machining and etching technology, providing rust resistance, corrosion resistance, and high-temperature durability. It is built to safeguard user assets over the long term. We offer customizable bulk production to meet diverse user needs.
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Key Words:
Table Parameter
Shell Structure:
Material: 304/316 stainless steel (other alloys available upon request).
Size: Diameter 15mm (±0.1mm), Height 180mm (±0.2mm).
Design: Capsule shape with precision screw threads for easy opening and closing, divided into two sections:
Top section: Contains a small metal rod for threading letter blocks.
Bottom section: Protective casing that can hold all letter blocks.
Sealing: Thread tolerance ±0.05mm, waterproof and dustproof when tightened (IP65 rating).
Letter Block Components:
Material: 0.5mm thick 304 stainless steel sheets.
Dimensions: Diameter 10mm (±0.05mm), Center hole diameter 1.5mm (±0.02mm).
Character Processing: Laser or chemical etching with a depth of 0.1-0.2mm, edges burr-free, permanently clear.
Compatibility: Supports BIP39 standard (letters + numbers combination), with 26 letters, 10 numbers, and space characters in one set. Custom characters can be added upon request.
Application Description
Shell Processing:
Machining: CNC precision turning ensures that the internal and external diameter tolerances of the cylindrical shell are ±0.05mm.
Bending: High-precision molds ensure smooth thread engagement and consistent rotation feel.
Surface Treatment: Supports electroplating (nickel, gold, black titanium), sandblasting, brushing, etc., to enhance aesthetics and corrosion resistance.
Letter Block Processing:
Stamping & Cutting: Precision molds are used to stamp circular thin plates, with hole diameter tolerance ≤ 0.02mm.
Etching: Masking etching technology is applied to ensure sharp character edges ≤ 0.01mm, with no burrs.
Quality Control: 100% inspection, with character clarity verified under 5x magnification, and dimensions adhering to ISO 2768m standards.
Questions and Answers
1.How are samples charged? Most products can be sampled for free. For custom or high-cost products, samples may incur a fee, while bulk orders are priced according to the order quantity. |
2.How to confirm an order? Once we confirm your order and receive payment, we will send an order confirmation email or document. Production and shipping will begin once confirmation is complete. |
3.Do you provide contracts or agreements? Yes, we will sign a formal contract based on the terms agreed upon, including product specifications, price, delivery time, and payment terms. |
4.Can I cancel my order if I'm not satisfied? We can send samples for approval. If the sample is unsatisfactory and we cannot meet your requirements, the order can be canceled. However, once production begins after sample confirmation, cancellations are not possible. |
5.Do you offer custom processing? Yes, we can manufacture products based on your specific materials, technical requirements, and drawings. |
6.What is your pricing? Pricing varies depending on product type, order volume, customization, and payment method. Please provide your product model and quantities for a detailed quote. As a factory-direct supplier, we eliminate middleman costs, providing you with competitive prices. |
7.Is the price negotiable? Our prices are based on market conditions and production costs, but we offer discounts for large orders or long-term partnerships. |
| 8.What are your payment methods? Since these are custom products, we require full payment upfront. We accept various payment methods, including: Letter of Credit (L/C) Wire Transfer (T/T) PayPal (for small orders) Western Union (for certain countries) Alipay/WeChat Pay (for some countries) Bank Transfer |
| 9.What happens if the product is defective? We provide sample approval prior to production. If the product is defective due to our error, we will replace it free of charge in your next order. |
| 10.How are shipping costs calculated? Shipping costs are calculated based on product weight, volume, destination, and shipping method (air, sea, or express). Please provide order details for a shipping quote. |
11.Is it compatible with all BIP39 mnemonic phrases? Yes, it fully supports BIP39. Users can arrange the letter blocks in the correct sequence and securely fasten them with the metal rod. It supports both 12-word and 24-word combinations. |
12.Will the stainless steel letter blocks rust over time? No, they are made from 304/316 stainless steel with surface passivation treatment, which resists corrosion in normal humid environments. |
13.Can the characters wear off due to friction? The etching depth is over 0.1mm, and the characters are permanently engraved in physical grooves, ensuring they remain intact unless subjected to external force. |
14.Can I customize the logo or special characters? Yes! The shell can be laser-engraved with your logo, and letter blocks can be customized with additional symbols (such as “&” or “$”). A design draft is required. |
Factory Description
We have a full set of etching production equipment and mature processing technology. We can manufacture products in any shape with mesh sizes as small as 0.1mm, according to your requirements.
Our Advantage
Factory Direct Shipping
Our products undergo 100% QC checks before shipment, and we ensure compliance with international standards. If you require specific certifications for your target market, just let us know, and we'll meet those requirements.
Experienced Design and Manufacturing Team
We work closely with customers from the design phase to help avoid potential product flaws, ensuring both the functionality and design meet expectations.
Excellent Supply Chain Management
We can quickly adjust production schedules to meet your urgent deadlines, whether it's for large bulk orders or smaller rush orders.
OEM & ODM Support
We offer the option to print your logo or other customizations.
Strict Quality Control
Our products undergo 100% QC checks before shipment, and we ensure compliance with international standards. If you require specific certifications for your target market, just let us know, and we'll meet those requirements.
Certificate
商标6类
9001
质量认证
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We Can Provide Customized Solutions
Please leave your contact information and product requirements, and our specialists will contact you promptly.
Shenzhen Nkeyto Precision Hardware Co., Ltd. is a factory specializing in precision hardware processing, committed to providing customers with high-quality products and services.We look forward to working with you.
Contact Us
E-mail: Sales@nkeyto.com
Tel: +86 135-5470-8126
Add: 13th Building, 202, Dawangshan Second Industrial Zone, Dawangshan Community, Shajing Street, Bao'an District, Shenzhen, Guangdong Province
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