DFFSA00053 KOSJETHAS Phillips Flat Countersunk Head Screws

Review KOSJETHAS 20pcs 1/4-20 Unc Phillips Flat Countersunk Head Machine Screws 304 Sta Inch

Introducing the Kosjetas DFFSA00053 20-piece set of 1/4-20 UNC Phillips flat countersunk head screws made of 304 stainless steel. These screws are an excellent choice for various applications where corrosion resistance is essential.

The UNC (Unified National Coarse) threading on these screws adheres to the Unified Thread Standard in the United States. With a diameter of 1/4-inch and a thread count of 20, these screws provide a sturdy connection for your projects.

The Phillips flat head design offers several advantages. The countersunk head sits below the surface of the material when installed, creating a flush appearance. The Phillips driving point, characterized by its cruciform shape, allows for easier and more consistent torque application compared to other drive types.

Constructed from 304 stainless steel, these screws exhibit remarkable strength and durability. This alloy contains a minimum of 18% chromium and 8% nickel, which forms a passive oxide layer to protect the screw from corrosion. This layer significantly reduces the likelihood of rusting, making these screws suitable for both indoor and outdoor applications.

Each screw in the set measures 0.35 inches in length, providing ample thread engagement for a secure and reliable hold. The Phillips head ensures easy installation, even in tight spaces, and offers excellent resistance to cam-out during the torquing process.

- Construction projects

- Electrical installations

- Marine and automotive applications

- HVAC systems

With their robustness, durability, and corrosion resistance, the Kosjetas DFFSA00053 20-piece set of 1/4-20 UNC Phillips flat countersunk head screws offers unparalleled value and reliability for your projects.

Pros and Cons of Buying KOSJETH A00053 20pcs 1/4-20 Unc Phillips Flat Countersunk Head Screws 304 Stainless Steel

1. **Material**: These screws are made of 304 stainless steel, which is known for its corrosion resistance, making them suitable for various environments, especially in harsh conditions.

2. **Thread Type**: The thread type of these screws is 1/4-20 UNC (Unified National Coarse), which is a standard thread type used in the US and widely available.

3. **Head Type**: The heads of these screws are Phillips flat countersunk, which allows for easy installation with a Phillips head screwdriver and provides a flush finished look once installed.

1. **Quantity**: These screws come in packages of 20, which might not be sufficient for larger projects.

2. **Price**: Compared to some other options in the market, these screws might be considered expensive for their size and quantity.

3. **Availability**: Depending on the location and supplier, these screws might not be readily available in local hardware stores and might need to be ordered online.

KOSJETH A00053 20pcs 1/4-20 Unc Phillips Flat Countersunk Head Screws 304 Stainless Steel offer several advantages such as corrosion resistance, standard thread type, and ease of installation. However, they come in smaller quantities, might be more expensive than some alternatives, and could be harder to find in local hardware stores.

If you're working on a project where corrosion resistance is a priority and you're willing to pay a slightly higher price for the convenience of a standard thread type and easy installation, then these screws could be a good choice. If quantity or cost is a concern, consider purchasing screws in larger quantities or looking for alternative brands that offer similar specifications at a lower price.

Details:

Thread coverage: fully threaded. Fastener type: machine screw. Exterior finish: stainless steel. Manufacturer: Kosjethas.

Item dimensions: 1 x 0.25 inches. Thread style: right hand. Item dimensions l x w h: 1 0.25 inches. Head type: flat.

Finish types: stainless steel. Set screw thread type: unc. Size: thread diameter screw length l including head. Material type: stainless steel.

Metal type: stainless steel. Drive system: phillips. Thread size: 1/4 -20. Brand: Kosjethas.

Screw head style: phillips. Fastener size: 1/4-20 x flat countersunk phillips machine screws fantastic corrosion resistance, provides good strength and resistance in bad environments. Color: silver.

specifications buildymat:

• brand: Kosjethas
• mpn: Dffsa00053
• part type: Head Screw
• size: 1/4-20 X 1

returns buildymat:

• time: 60 days
• paid by: seller
• method: money back
• policy: returns accepted

offer buildymat:

• price: $15.57
• item condition: New
• sold #: 10
• options: ship-to-home
• in stock #: 1
• availability: in stock
• started: may 13, 2026

general buildymat:

• category: Business & Industrial > Supplies > Building Materials

seller buildymat:

• # reviews: 1191
• rating: 99.8%
• city: san bernardino, ca

shipping buildymat:

• class: standard
• service: standard
• transit: 3-6 days
• type: fixed

payments buildymat:

• wallet: apple-pay
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