Flat head slotted copper machine screws are essential components in various industrial and construction applications. Here's a thorough guide to help you understand everything about these versatile fasteners:
A flat head slotted copper machine screw is a type of screw with a flat head and a slotted drive. It is typically made of copper, known for its excellent corrosion resistance and electrical conductivity.
These screws find widespread use in electrical, plumbing, and industrial settings, including:
- Electrical wiring
- Copper pipe connections
- Appliances and fixtures
- Marine applications
- Telecommunications
There are various types and sizes of flat head slotted copper machine screws available to suit specific needs.
Screw Size | Thread Diameter | Screw Length |
---|---|---|
#2 | 0.086" | 1/4" - 3" |
#4 | 0.112" | 1/4" - 3" |
#6 | 0.138" | 1/4" - 3" |
#8 | 0.164" | 1/4" - 3" |
#10 | 0.190" | 1/4" - 3" |
Screw Size | Recommended Torque |
---|---|
#2 | 2-3 in-lbs |
#4 | 5-7 in-lbs |
#6 | 8-10 in-lbs |
#8 | 12-15 in-lbs |
#10 | 15-20 in-lbs |
Screw Size | Approximate Weight (each) |
---|---|
#2 | 0.75 grams |
#4 | 1.5 grams |
#6 | 3 grams |
#8 | 5 grams |
#10 | 7 grams |
What is the difference between flat head and countersunk head screws?
- Countersunk head screws have a tapered head that is designed to sit flush with the surface, while flat head screws have a flat head that lies on top of the surface.
What size screwdriver do I need for a slotted screw?
- The size of the screwdriver needed depends on the width of the screw slot. Refer to the screw packaging or use a screwdriver size chart for guidance.
How do I prevent copper screws from tarnishing?
- Apply a clear lacquer or sealant to the screws to protect them from tarnishing.
Can I use copper screws in outdoor applications?
- Yes, copper screws have good corrosion resistance and are suitable for outdoor use, but they may develop a patina over time.
What is the tensile strength of copper screws?
- The tensile strength of copper screws varies depending on the grade and alloy of the copper. Typically, it ranges from 25,000 to 50,000 psi.
Are copper machine screws magnetic?
- No, copper is not magnetic.
Whether you're an electrician, plumber, or DIY enthusiast, flat head slotted copper machine screws are a versatile and reliable solution for your fastening needs. By choosing the right type, size, and technique for your application, you can ensure a secure and long-lasting installation.
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