Heavy-Duty Crate Clips — FAQ & Buying Guide

Q:What material and thickness are used for these box clips?

A: Our heavy-duty crate clips are manufactured from high-tensile spring steel (or carbon steel) with optional wall thicknesses ranging from 1.2mm to 2.0mm. This ensures excellent elasticity, high clamping force, and long-term resistance to deformation after repeated use.

Q:What surface treatment options do you offer for rust prevention?

A: We supply multiple finish options including Blue/White Zinc Plating, Yellow Zinc Plating, Electro-galvanizing, and Powder Coating. These treatments provide superior corrosion resistance and pass standard salt spray tests for outdoor transport and humid marine shipping environments.

Q:What is the load capacity and clamping strength of these clips?

A: Designed for heavy-duty industrial crates, a single pair of spring clips can handle standard box holding forces depending on thickness. We have made reinforcement points on both sides of the clamp, maintain a firm grip under high vibration during transit, preventing wooden panels or crate lids from dislodging.

Q:What are the common dimensions, and can you customize sizes?

A: Standard lengths typically range from 100mm to 150mm with panel slot widths tailored to standard wooden board thicknesses We fully support OEM/custom dimensions and stamping tooling based on your CAD drawings.

Q:What is the Minimum Order Quantity (MOQ)?

A: For standard stock sizes, our MOQ is 1 pcs. For custom sizes, colors, or specialized stamping requirements, the MOQ is typically 1000 pcs per batch.

Q:Can I request free samples before placing a bulk order?

A: Yes, we provide free samples for quality testing. You only need to cover the international express freight cost (DHL/FedEx/UPS), which will be fully refunded or credited back once your bulk purchase order is confirmed.

Q: What is your standard production lead time and delivery schedule?

A: Sample dispatch takes 1-2 weeks, Standard bulk orders (10,00–50,00 pcs) are produced within 20–30 days. International express air delivery takes 5–8 days, while ocean freight takes 20–35 days depending on the destination port.

Q: Are these clips reusable for quick assembly and disassembly?

A: Absolutely. Designed for tool-free or quick-release installation, these clips allow rapid assembly and knockdown of wooden crates, significantly lowering labor costs and enabling eco-friendly crate reuse.

Q:Can you provide Material Test Reports (MTR / Mill Test Certificates) for the raw materials used in production?

A:Yes, of course. After confirming the order, we can send you a comprehensive material testing report and batch quality inspection report. These documents indicate the performance and grade of the raw materials, their place of origin, Product quality testing records, mechanical performance, etc