Xavier Hart
Bronze flat-head machine screws are a type of fastener commonly used in boat building, electrical applications, and other projects where high corrosion resistance and strength are required. They are often made from solid silicon bronze alloy and can be purchased individually or in pre-packaged lots. These screws feature a flat, countersunk (CSK) head and are available in various sizes, including 3/8-16x3 and 3/8-16x4. They can be used to attach bronze hardware, such as deck hardware on boats, or in any application where the anti-corrosive nature and aesthetic of bronze are desirable. Nuts and washers for bronze machine screws are typically sold separately.
| Characteristics | Values |
|---|---|
| Material | Silicon Bronze Alloy |
| Head Style | Flat Head |
| Drive Type | Slotted Drive |
| Head Type | Countersunk (CSK) |
| Countersink Angle | 82 degrees |
| Length | Varied |
| Threading | 4" and under: fully threaded. Over 4": partially threaded. |
| Use Cases | Boat building, electrical applications, decorative purposes |
What You'll Learn
Silicon Bronze Machine Screws for boat building
Silicon bronze machine screws are ideal for boat building, offering both functionality and aesthetics. These screws are essentially threaded bolts with a flat, countersunk slotted head, available in various sizes and gauges. They are designed to secure heavy-duty bronze deck hardware to your boat, combining the strength of a bolt with the appearance of a countersunk screw.
Silicon bronze screws are highly sought-after in boat building due to their exceptional corrosion resistance, making them ideal for marine environments. They are also used in electrical applications, leveraging the conductivity of bronze. Additionally, these screws offer durability and strength, ensuring a secure hold for your boat hardware.
When it comes to aesthetics, silicon bronze screws weather and age beautifully, blending in naturally with timber. This makes them a popular choice for decking and other exposed areas in house building, where they provide an attractive alternative to stainless steel screws.
Classic Boat Supplies offers a range of silicon bronze machine screws, including flathead, raised head, and round head designs. They cater to boat builders in Sydney and across Australia, providing high-quality screws for timber boats at competitive prices. Fair Wind Fasteners also carries a wide selection of solid silicon bronze machine screws, known for their high quality and anti-corrosive properties.
Whether you're building a boat or seeking an elegant yet durable fastening solution, silicon bronze machine screws are an excellent choice, offering functionality, strength, and a timeless appearance.
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Solid 651 Silicon Bronze Alloy
Silicon bronze is a copper-silicon alloy that is commonly used in electrical power distribution applications. It is available in two varieties: 655 and 651. This alloy is more corrosion-resistant and stronger than brass. 651 Silicon Bronze, also known as C65100 low-silicon bronze B, is considered the best option for boat building and marine environments.
Electrically, 651 Silicon Bronze has an electrical resistivity of 14.4 microhm-cm at 20°C and a thermal conductivity of 396 BTU-in/hr-ft²-°F. Its processing properties include an annealing temperature range of 793-871°C and a hot-working temperature range of 788-871°C.
When purchasing 651 Silicon Bronze fasteners, it is important to ensure that you are getting the correct alloy. Many suppliers sell cheap imitations that do not have the same durability and strength as true 651 Silicon Bronze. These fasteners are ideal for use in boats due to their anti-corrosive properties and can also be used in electrical applications due to their conductivity.
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Bronze Flat Head Machine Screws for electrical applications
Flat head machine screws with a countersunk (CSK) head are available in silicon bronze. These screws are made of a solid 651 Silicon Bronze Alloy and are manufactured to meet ASME B18.6.3 standards. They are often referred to as machine bolts and can be used with nuts or driven into tapped holes.
The 651 Silicon Bronze Alloy provides excellent corrosion resistance and can be used in marine, corrosive, and high-heat environments. Silicon bronze is made of copper, silicon, and various other alloys, making it extremely resistant to corrosion and heat. This makes it ideal for electrical applications.
Bronze flat head machine screws are available in a range of sizes, with lengths of 4" or less being fully threaded with rolled threads, while lengths over 4" are partially threaded with full body shanks and cut threads. The head diameter ranges from 0.507 inches to 0.402 inches, and the head height ranges from 0.153 inches to 0.131 inches. The countersink angle is 82 degrees, and the drive style is slotted.
These screws are perfect for electrical applications due to their conductivity and anti-corrosive nature. They can be used in any application where the combination of high conductivity and anti-corrosive properties is required, along with the aesthetic appeal of bronze.
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Bronze Flat Head Machine Screws for anti-corrosive applications
Bronze flat head machine screws are an excellent choice for applications requiring high corrosion resistance and strength. Made from solid silicon bronze alloy, these fasteners offer superior resistance to corrosion, making them ideal for use in marine and electrical applications.
The flat head design provides a sleek, low-profile appearance, while the countersunk (CSK) head ensures a secure fit. These screws meet ASME B18.6.3 standards and can be used with nuts or driven into tapped holes. They are available in a range of sizes, with lengths of 4" and less being fully threaded, while longer lengths are partially threaded.
One notable supplier of bronze flat head machine screws is Fair Wind Fasteners, who offer solid 651 Silicon Bronze Flat Head Countersunk Machine Screws with a Slotted Drive. Their screws are of the highest quality, meeting the same ASME standards, and can be used in a variety of applications, including boat building and electrical connections.
Classic Boat Supplies also offers silicon bronze machine screws with a slotted, countersunk head in a range of sizes. These screws are perfect for securing heavier-duty bronze deck hardware to your boat, providing both the appearance of a countersunk screw and the strength of a bolt.
When choosing bronze flat head machine screws, consider the specific requirements of your project, including the size, thread type, and finish needed. These screws are an excellent choice for applications where corrosion resistance and strength are paramount, such as in marine environments or electrical connections.
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Classic Boat Supplies stocks silicon bronze machine screws
Classic Boat Supplies sells high-quality bronze and brass fasteners, including silicon bronze screws, nails, bolts, and brass fasteners. These products are perfect for timber boats and other marine applications. Their silicon bronze nails have annular grooved shafts, allowing for maximum grip. They also stock square-drive bronze screws, which provide a more secure and reliable connection when tightening by hand or electric drill.
Classic Boat Supplies offers a wide range of fastening options at competitive prices. Customers can buy bolts individually or take advantage of pre-packaged lots to save money. The company is also happy to source other fastenings and provide quotes for smaller or larger quantities to suit specific projects.
In addition to their silicon bronze machine screws, Classic Boat Supplies also offers a variety of related products, including wood screws, copper nails, and brass fasteners. They are an authorised distributor of Davey's quality traditional boat fittings and hardware, as well as modern ropes in the traditional style from Langman Ropes of Holland.
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Frequently asked questions
Bronze flat head machine screws are used for a variety of applications, including boat building, electrical connections, and decorative purposes. They are also suitable for outdoor projects due to their highly anti-corrosive nature.
Bronze flat head machine screws are available in a range of sizes, including
Screws and bolts are both threaded fasteners, but they have distinct characteristics. Screws typically have a tapered shank and create their own threads in materials like wood or plastic, while bolts usually have an unthreaded shank and require a nut to secure them.
The length of the screw depends on the thickness of the material being fastened. For wood projects, it is recommended to choose a length that allows the screw to penetrate about two-thirds of the material's thickness.
You can purchase bronze flat head machine screws online from various retailers, including Fair Wind Fasteners, Classic Boat Supplies, and
