The ASME B18.2.1 standard covers a variety of thread types, such as UNC, UNF, BSW, BSF, etc., for different material grades and application scenarios.

It not only has important applications in the industrial sector, but also plays a key role in the field of woodworking, ensuring that the connection in construction and furniture manufacturing is strong and secure.

1. Product type: Including square head wood screw, hex head wood screw, hex heavy wood screw, etc., suitable for different application scenarios.
2. Material grade: covers carbon steel, stainless steel and other material grades to meet the needs of different strength and corrosion resistance.
3. Application: Widely used in machinery manufacturing, valve parts, chemical equipment, Marine engineering and other fields, as well as woodworking field connection and fixing.
4. Advantages: The products made in Shanghai have the characteristics of stable quality, good fatigue resistance, abundant stock, complete specifications and timely delivery.

Product Packaging
The packaging of these screws is kept simple and functional, focusing on protection and easy storage. Each pack of Square Head Lag Screws usually comes in a durable plastic bag or a small cardboard box, both of which are sealed to prevent dust and moisture from getting in. The packaging is labeled clearly with basic information: the size of the screws, the quantity in the pack, and the material they’re made of. This makes it easy for you to pick the right pack when you’re shopping or organizing your tools. Inside the package, the screws are often sorted by size if there are multiple sizes, but for single-size packs, they’re just neatly placed to avoid tangling. The plastic bags are usually resealable, which is convenient if you don’t use all the screws at once—you can just seal the bag back up and store the remaining ones without losing them. The cardboard boxes are stackable, saving space in your garage or tool shed. Overall, the packaging is designed to be practical for both retailers displaying the products and consumers using and storing them.
Q&A Session
Q: How do you pack Square Head Lag Screws for international shipping?
A: For international shipping, Square Head Lag Screws are packed in sturdy cardboard boxes with inner plastic bags to prevent rust and damage. Each box is labeled with detailed information including size, quantity, material and HS code for customs clearance. We can also customize packaging according to your requirements, such as pallet packaging for large orders. The packaging is designed to withstand long-distance transportation and harsh logistics conditions.