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D1 Pen Refill in Bulk – Smooth Writing Refills Wholesale

D1 pen refill wholesale, custom pen refills, office supply
D1 Pen Refill Application Scope
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D1 Pen Refill is an internationally recognized standard refill measuring 67mm in length and 2.3mm in diameter. This universal size is widely compatible with multi-function pens and premium brands such as Parker, Lamy, Zebra, Cross, and Montblanc, making it one of the most versatile refill options on the market.

For businesses and organizations, choosing a D1 pen refill in bulk ensures that employees, clients, and event participants always have a smooth and reliable writing experience. These refills are available in both gel ink (for vibrant, smooth-flowing writing) and ballpoint ink (for long-lasting, everyday use), giving companies flexibility to match different preferences and writing needs.

Compared with standard refills, a D1 pen refill offers a sleek fit for multi-functional pens, making it ideal for professionals who switch between pen functions during meetings, corporate events, or travel. With wholesale purchasing, businesses can benefit from:

  • Cost savings by ordering in bulk at wholesale rates.

  • Customization options, with ink color choices like black, blue, and red.

  • Reliable quality, ensuring consistent performance in both promotional pens and premium office stationery.

Whether used in corporate gifts, school stationery, branded promotional pens, or luxury writing instruments, a D1 pen refill provides a balance of convenience, smoothness, and affordability—making it a must-have for bulk buyers.

D1 pen refill, bulk pen refills, smooth ink refill
D1 pen refill wholesale, custom pen refills, office supply

What Pens Are Compatible with D1 Refills?

D1 pen refills are designed as an international standard, which means they fit a wide range of multi-function pens, mini pens, and premium writing tools. Some of the most common compatible models include:

  1. Lamy 4pen and Lamy Pico – popular multifunction and compact designs.

  2. Zebra SL-F1, Sharbo X, and other multi-color pens – ideal for everyday business and student use.

  3. Cross Tech series – elegant corporate pens with reliable refill compatibility.

  4. Parker multi-function pens – trusted for professional office stationery.

  5. Montblanc, Pilot, and Rotring mini pens – luxury and high-end options.

Beyond branded models, D1 refills are widely used in multi-color ballpoint pens, twist-action pens, and mini travel pens, making them an excellent choice for both promotional giveaways and executive stationery.

Are D1 Pen Refills Good for Smooth Writing?

Yes, D1 pen refills are known for their reliable writing performance and versatility.

  1. Ink Options – Available in gel ink (smooth and vibrant) or ballpoint ink (oil-based, long-lasting) to suit different writing preferences.

  2. Smooth Flow – Designed for quick note-taking, signatures, and meeting use, with consistent ink delivery that avoids skipping or smudging.

  3. User-Friendly Design – The refill’s slim 2.3mm body with anti-slip surface ensures easy installation and comfortable writing in multi-function and mini pens.

Whether used in corporate offices, classrooms, or executive pens, D1 pen refills provide a smooth, dependable writing experience suitable for both everyday and professional needs.

Are D1 Pen Refills Interchangeable?

Yes, most D1 pen refills are fully interchangeable because they follow the same international standard size: 67mm length and 2.3mm diameter. This makes them widely compatible across different pen brands and models.

  • Universal Standard – Whether gel ink or ballpoint ink, D1 refills from different manufacturers generally fit the same pens.

  • Brand Flexibility – You can use Parker, Lamy, Zebra, Cross, or other D1 refills interchangeably in most multi-function or mini pens.

  • Check Compatibility – The only requirement is to confirm that your pen’s internal barrel design supports the D1 size. Some luxury or proprietary pens may have minor variations.

For businesses or bulk buyers, this interchangeability ensures easy sourcing, simplified inventory, and cost savings, since one refill type can support multiple pen models.

What Ink Types Are Available for D1 Pen Refills?

D1 pen refills are available in multiple ink types and colors to meet different business and personal needs:

  1. Ink Colors – Common options include black, blue, and red, suitable for office documentation, school use, and promotional pens.

  2. Ballpoint Ink (Oil-Based) – Durable and long-lasting, ideal for signing official documents, contracts, and professional use where permanence matters.

  3. Gel Ink (Water-Based) – Smooth and vibrant, perfect for everyday writing, notes, and creative tasks, offering a better writing flow.

This variety makes D1 refills a flexible choice for companies ordering in bulk, ensuring both professional signing quality and comfortable daily writing.

How to Replace a D1 Refill in Multi-Function Pens?

Replacing a D1 pen refill is simple, but paying attention to details ensures smooth writing and avoids pen damage:

  1. Open the Pen Body

    • Twist or unscrew the barrel of your multi-function pen (depending on model).

  2. Remove the Old Refill

    • Gently pull out the used D1 refill.

    • Check if there’s a spring at the tip — keep it aside for reuse.

  3. Insert the New Refill

    • Place the new D1 refill (67mm × 2.3mm) into the slot.

    • Make sure the tip faces forward and reattach the spring if required.

  4. Reassemble and Test

    • Screw the pen back together.

    • Press the selector or twist mechanism to ensure the new refill works smoothly.

💡 Tip: Always confirm the refill clicks securely into place; a loose spring or wrong direction may cause ink skipping or jamming.

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Customized packaging paper bags, thermos cups, Parker pen refills and hats for customers

FAQs About D1 Pen Refill

1 . May I take some samples before placing a bulk order?

  • Yes, you can. After you confirm the design and details, we can finish the sample in 3-5 days. We ensure that the sample reflects the final product’s quality so you can feel confident before placing a larger order.

2 . What is the minimum order quantity?

  • Our company accepts a low MOQ, with a minimum of 50pcs. The larger the quantity, the better the pricing! This helps us offer you the most cost-effective solutions for both small and large orders.

3 . How long can we deliver a small number of customized logo products?

  • For orders of 100pcs or less, we can ship within 2-3 days after confirming the order. We work efficiently to meet deadlines, ensuring your custom logo products reach you as quickly as possible.

4 . Can you make a free design based on my work?

  • Of course! We have a team of professional designers who will assist you in creating custom renderings. Once the design is finalized, we’ll confirm it with you before moving forward to ensure it meets your expectations.

5 . Where do you ship your products from?

  • Our business department is located in Yiwu, Zhejiang Province, which is the most developed area for foreign trade logistics in China. This strategic location allows us to streamline transportation and significantly shorten the estimated time of arrival for your orders.

7 . What are your company’s core competencies?

  • Last but not least, our company is deeply focused on providing exceptional service and creating a positive experience for every customer. We prioritize fast responses to customer inquiries, solving issues promptly and efficiently. Emotional value and customer satisfaction are our top priorities!

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