
( Brand: All Spec Fasteners ), ( Manufacturer Part Number: B18.3-03F-1.75 ), ( Part Type: Screw )
The B18.3-03F-1.75 screw, specifically the 4-28 variant, is a high-quality fastener that is designed for a variety of applications. This screw is part of the B18 series, which is known for its strength and durability.
The B18.3-03F-1.75 screw is a self-tapping screw, which means it can create its own thread as it is inserted into the material. This makes it ideal for use in materials that do not already have threads, such as plastic or metal that has not been pre-drilled.
The screw has a thread diameter of 0.3 inches and a length of 1.75 inches. The 4-28 designation refers to the number of threads per inch and the diameter of the thread, respectively. This specific screw has 28 threads per inch and a thread diameter of 0.125 inches.
The B18.3-03F-1.75 screw is made of high-carbon steel, which provides excellent strength and corrosion resistance. It has a phosphate coating, which helps to protect the screw from rust and corrosion, and also provides superior thread retention.
The screw has a hexagonal head, which allows for easy use with a screwdriver or socket wrench. The head is flat on the bottom, which makes it ideal for use in applications where the screw will be countersunk into the material.
Overall, the B18.3-03F-1.75 screw is a versatile and dependable fastener that can be used in a wide range of applications. Its self-tapping design, strength, corrosion resistance, and easy-to-use head make it a great choice for any project that requires a strong and reliable fastener.
Pros of buying B18.3-03F-1.75 screw, size 4-28:1. Compliance with standards: This type of screw adheres to the B18.3-03F standard, ensuring quality and reliability in its use.
2. Wide application: The 4-28 thread size is commonly used in various industries, such as automotive, aerospace, and electronics, making it a versatile choice.
3. High strength: The 1.75mm diameter of the screw provides enough strength for most applications, ensuring that it can withstand the required load.
4. Availability: These screws are widely available from various suppliers, making it easy to find and purchase them.
Cons of buying B18.3-03F-1.75 screw, size 4-28:1. Limited size options: While the 1.75mm diameter is suitable for many applications, it may not be appropriate for all situations where a larger or smaller screw is required.
2. Price: Due to their high demand and specifications, these screws can sometimes be more expensive than other types of fasteners.
3. Potential for overtightening: The small size of the screw may make it more susceptible to overtightening, which can lead to damage to the part or the screw itself.
In conclusion, the B18.3-03F-1.75 screw, size 4-28, is a reliable and versatile choice for many applications. Its compliance with industry standards and wide availability make it an attractive option. However, its limited size options and potential for overtightening are factors to consider when deciding to purchase. Ultimately, the decision to purchase depends on the specific requirements of your application and the overall cost-benefit analysis. If the screw's pros outweigh its cons for your needs, then it may be a wise investment.
ALL SPEC FASTENERS B18.3-03F-1.75 SCREW 1/4-28 FINE LOT OF 1 LOT 39113 CL6, NEW OLD STOCK, CL6.