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1/4-20 x 1" Flat Countersunk Head Machine Screws, Phillips Drive, 304 Stainless Steel 18-8, Full Thread, Coarse Thread UNC, 25 PCS

4.6 4.6 out of 5 stars 312 ratings
Amazon's Choice highlights highly rated, well-priced products available to ship immediately.
Amazon's Choice in Machine Screws by EASTLO

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Purchase options and add-ons

Material Stainless Steel
Drive System Phillips
Head Style Flat
Exterior Finish Stainless Steel
Thread Size 1/4"-20

About this item

  • Package Include: 25 PCS x 1/4-20 x 1" Flat (Countersunk) Head Machine Screws
  • Screw Length: 1 inch or 25.4mm (including the height of the flat head); Please pay attention that the Thread Length equals to Total Screw Length minus the Head Height.
  • Ideal for use in confined areas where the head needs to be flush or below the surface.
  • Made of 304 stainless steel (no coating outside) 18-8 which is superior to regular steel and any zinc plated fasteners, provides good strength and corrosion resistance in bad environments.
  • Countersunk degree: 80-82 degree;Diameter of the head: 0.442 inch to 0.477 inch; Drilling No: #3;

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Product details

  • Package Dimensions ‏ : ‎ 4.06 x 4.02 x 0.75 inches; 1 Pounds
  • Item model number ‏ : ‎ AB500105-25
  • Date First Available ‏ : ‎ January 26, 2020
  • Manufacturer ‏ : ‎ EASTLO
  • ASIN ‏ : ‎ B08474SKGD
  • Country of Origin ‏ : ‎ China
  • Customer Reviews:
    4.6 4.6 out of 5 stars 312 ratings

WARNING:

CHOKING HAZARD -- Small parts. Not for children under 3 yrs.

Product Description

Package Included:
Package Include: 25 PCS x 1/4-20 x 1" Flat (Countersunk) Head Machine Screws

Specification
Thread Size:1/4-20 UNC
Thread Pitch: 20 TPI
Screw Length: 1"
Color: Silver Tone
Material: 304 Stainless Steel

About Flat (Countersunk) Head Machine Screws

Flat (Countersunk) Head Machine Screws have a flat top that tapers down to a cone shape that will sit flush into a countersunk hole and give a finished appearance. They are known for their effecient application performance and endurance widely used in a variety of industries such as construction, manufacturing, engineering, assembling, aircraft and so on and serves a wide range of use for professionals, amateurs, landlords, repairmen and DIYers.

The high quality 304 stainless steel provide perfect strength and good corrosion resistance in bad environments like high temperature, cold weather and high humidity areas without the need for time consuming and costly maintenance.

Note

The Flat (Countersunk) Head Machine Screws length are measured from the top to the end of the thread and the thread length is the overall length minus the height of the head.

Contact Us:
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Customer reviews

4.6 out of 5 stars
4.6 out of 5
312 global ratings

Customers say

Customers like the quality and performance of the screws. For example, they mention that it's a good product, works well and that it works perfectly.

AI-generated from the text of customer reviews

12 customers mention12 positive0 negative

Customers are satisfied with the quality of the screws. They mention that they are strong, well-machined, and arrived in great shape. Some say that the product is very nice and works well.

"Well made. Worked with nuts perfectly." Read more

"Good strong screws." Read more

"The product is very nice and work nicely for what I needed it just make sure you use the correct size screwdriver or a bit when tightening them" Read more

"The screws shipped fast and arrived in great shape! All of the crews were well machined and the packaging was top notch...." Read more

6 customers mention6 positive0 negative

Customers are satisfied with the performance of the screws. They mention that it works nicely, is well-made, and works perfectly with nuts.

"Well made. Worked with nuts perfectly." Read more

"...need to do the other remaining 50 but in the meantime these stainless screws work well...." Read more

"The product is very nice and work nicely for what I needed it just make sure you use the correct size screwdriver or a bit when tightening them" Read more

"Worked exactly as expected. Good quality." Read more

Wrong thing TWICE now
1 Star
Wrong thing TWICE now
My first order for 1/4-20 machine screws came as an unlabeled box containing these same wood screws. The replacement was labelled this time, but it was still the wrong effing thing. So much for getting my project done today. Again. This is beyond ridiculous. I'll find someone else to buy these from.
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Top reviews from the United States

Reviewed in the United States on February 12, 2024
Size: #10-24 x 3/4"Number of Items: 50Verified Purchase
Reviewed in the United States on December 27, 2023
Size: #10-24 x 5/8"Number of Items: 50Verified Purchase
Reviewed in the United States on September 22, 2023
Size: 1/4-20 x 5/8"Number of Items: 25Verified Purchase
Reviewed in the United States on September 23, 2020
Size: 1/4-20 x 2"Number of Items: 25Verified PurchaseEarly Reviewer Rewards(What's this?)
Reviewed in the United States on February 21, 2024
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Reviewed in the United States on December 4, 2023
Size: #8-32 x 1/2"Number of Items: 50Verified Purchase
Reviewed in the United States on October 26, 2023
Size: 5/16-18 x 1-1/2"Number of Items: 10Verified Purchase
Reviewed in the United States on July 28, 2023
Size: #8-32 x 1/2"Number of Items: 50Verified Purchase

Top reviews from other countries

Ion Dobrea
5.0 out of 5 stars Hi
Reviewed in Canada on March 23, 2024
Size: 1/4-20 x 1-1/2"Number of Items: 25Verified Purchase
Gordon
5.0 out of 5 stars Exactly as advertised.
Reviewed in Canada on January 29, 2024
Size: #8-32 x 1/2"Number of Items: 50Verified Purchase