A: It depends.If we have bulk goods in stock, we can ship goods within 3 days after the QC process. If we don’t have stock, normally it takes 7-15 days for OEM samples and 20-30 days for bulk goods. If it refers to opening the new mold, it takes an extra 7-15 days to make the mold.
Container floor screw
Container Flooring Screws: Overview
Materials:
- High-carbon steel (quenched and tempered for extreme strength) with marine-grade coatings: Dacromet, zinc-aluminum, or hot-dip galvanized for saltwater corrosion resistance.
- Optional stainless steel (AISI 316L) for highly corrosive environments (e.g., shipping containers).
Manufacturing Process:
- Cold Heading: Forms screw head and drill-point tip for self-drilling capability.
- Thread Rolling: Produces aggressive, deep threads for grip in thick steel substrates.
- Heat Treatment: Hardens drill tip (HRC 45–50) and shank to withstand high torque.
- Coating: Apply corrosion-resistant layers via electroplating or dip-spin processes.
- Sealing Washer Integration: Attach EPDM or neoprene washers for waterproofing.
Key Production Considerations:
- Drill Tip Hardness: Critical to penetrate 5–12 mm steel plates without pilot holes.
- Thread Pitch: Optimized for thick materials (e.g., coarse threads for rapid driving).
- Coating Adhesion: Ensure coatings withstand abrasive friction during installation.
- Washer Durability: Use UV- and ozone-resistant rubber to prevent degradation.
Applications:
- Shipping Containers: Secure steel flooring to cross members and corner castings.
- Modular Construction: Fasten interlocking floor panels in portable buildings.
- Marine Structures: Assemble decking in offshore platforms or ship interiors.
- Heavy Machinery: Reinforce steel bases for vibration-prone equipment.
Installation:
- Tool Selection: High-torque electric drill with hex-head driver (typically 1/2″ drive).
- Alignment: Position screw perpendicular to the steel surface.
- Drilling: Let the self-drilling tip penetrate the metal; minimal downward pressure required.
- Tightening: Stop when the washer fully compresses to form a watertight seal.
- Spacing: Follow grid patterns (e.g., 150–300 mm intervals) for uniform load distribution.
Advantages:
- Marine-Grade Durability: Resists saltwater, humidity, and UV exposure.
- High Shear Strength: Withstands heavy loads (e.g., container stacking).
- Quick Installation: Self-drilling design eliminates pre-drilling and tapping.
Note:
- Replace screws with stripped threads or damaged coatings to maintain structural integrity.
- Avoid over-torquing, which may shear the screw or deform the flooring.
- Pair with anti-seize lubricant in stainless steel-to-steel applications to prevent galling.
Frequently Asked Questions
A: Normally, we make a 30% deposit after Pl confirmation and a 70% balance before shipment. lf order amountis too small, we can also change to 100% deposit in order to save bank handling charge.
A: A pre-bulk sample check can solve this problem to the largest extent. We will arrange production according to the pre-bulk sample quality standard after your confirmation of the samples.
A: We are not only a trading company but also a manufacturer. Our factory mainly focuses on mold design and quality inspection. Our bulk production may come from the factories we have worked with for a long time, and they are all ISO9001 certified. Through this cooperation model, we can not only ensure product quality and service, but also satisfy the diversified product needs of customers, and the price is more advantageous.
A: Yes,we are very glad to offer you samples.
However the express courier cost from our company to your required address will be upon your account.
Usually we use DHL, UPS, FEDEX or EMS as the courier.
It will take 3-7 days to arrive many Europe countries and North America.
Which express courier we will use, it’s up to your convenient or the express charge.
A: No,just part of our capable categories have been showed in our site.
If you are looking for relative industrial products, please feel free to contact us.
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