How is button size measured?

What is the sample lead time?

Samples, MOQ & Lead Time FAQs

Learn about sample lead times, tooling schedules, minimum order quantities, and production lead times. These FAQs provide an overview of the key timing and order requirements before starting a project.


How is button size measured?

Button size is measured by diameter and is commonly expressed in lignes (L), millimeters (mm), or inches. Please refer to the conversion table below for common button sizes.

Ligne (L)Millimeter (mm)Inch
12L7.5 mm5/16"
13L8.0 mm11/32"
14L9.0 mm11/32"
15L9.5 mm3/8"
16L10.0 mm5/16"
17L10.5 mm7/16"
18L11.5 mm15/32"
20L12.5 mm1/2"
22L14.0 mm9/16"
24L15.0 mm5/8"
26L16.0 mm21/32"
28L18.0 mm23/32"
30L19.0 mm3/4"
32L20.0 mm13/16"
34L21.0 mm27/32"
36L23.0 mm7/8"
38L24.0 mm15/16"
40L25.0 mm1"

Button Size Chart

What is the sample lead time?

Sample lead time is typically about 5–7 business days with an existing mold and about 2–3 weeks when new tooling is required.
• Existing mold: About 5–7 business days.
• New tooling: About 2–3 weeks for tooling fabrication and initial sampling.
Sample quantities are usually flexible depending on the project.
Lead time may vary depending on project requirements.

What are your MOQ and production lead time?

MOQ is typically 5,000–10,000 pieces, and production lead time is usually 2–3 weeks after sample approval and order confirmation.
• MOQ: Typically 5,000–10,000 pcs, real quantity depending on product size and material.
• Production lead time: Usually 2–3 weeks after sample approval and order confirmation.
Urgent schedules can be discussed.


Samples, MOQ & Lead Time FAQs | Snap Button & Garment Accessories Manufacturing FAQs

Find practical information about snap buttons and garment accessories, including material options, manufacturing processes, customization, product specifications, samples, MOQ, lead time, testing, and compliance. Four Brothers works with materials such as brass, stainless steel, and zinc alloy and supports manufacturing processes including stamping, deep drawing, and die casting.

Use these FAQs to better understand material selection, product development requirements, available specifications, sampling procedures, order quantities, production lead times, and quality considerations before requesting a quotation.

For a specific snap fastener or garment accessory project, contact Four Brothers with your product requirements, material preferences, specifications, and estimated order quantity for further evaluation.