1/4-28

1/4-28 Button Head Socket Cap Screws, Alloy Steel w/ Black Oxide, US SAE Fine

/ 29 de julho de 2026

This listing is for new Alloy Steel 1/4″-28 Button Head Socket Cap Screws. These have a Black Oxide finish and take a standard Allen (Hex) key to drive. Diameter : 1/4″Thread Pitch : 28 TPI – UNF / FINE ThreadLength : Please select from drop down menu above.Drive : 5/32″ Hex Key – Available hereType : Button Head Socket Cap ScrewMatching Nut : 1/4″-28 Available here System of Measurement : Inch / SAEMaterial : Alloy Steel with Thermal Black OxideSpecifications : ASME B18.3 / ASTM F879

1/4-28 Socket Head Cap Screws, Alloy Steel w/ Black Oxide, US SAE Fine Thread

/ 29 de julho de 2026

1/4″-28 Socket Head Cap Screws. These are new alloy steel and have a Thermal Black Oxide coating. Available in 1/4″ to 2-1/4″ lengths Diameter : 1/4″Thread Pitch : 28 TPI – UNF / Fine ThreadLength : Please select from drop down menu above.Drive : 3/16″ Hex Key – Available hereType : Socket Head Cap Screw, Hex DriveMatching Nut & Washers : 1/4″-28 Available hereSystem of Measurement : Standard (Inch / U.S.) / SAEMaterial : Alloy Steel with Thermal Black Oxide CoatingSpecifications : ASTM A574

Lot Of 5 Aircraft Alcoa Fastening Sys. Captive Screw P/N CA28080-4-20HS

/ 29 de julho de 2026

The product is a lot of 5 Alcoa captive screws, size 1/4″, made of stainless steel. Designed with a hex drive style, these screws have a thread size of 1/4-28. Manufactured in the United States, they are ideal for various aircraft fastening systems.

1/4-28 Flat Head Socket Cap Screws, 82° Countersunk SAE Alloy Steel Black Oxide

/ 29 de julho de 2026

This listing is for new 1/4-28 Flat Head Socket Cap Screws with Thermal Black Oxide coating. Available in 3/8″ to 2″ lengthsPackage quantities available in either 10, 20 and 50 pieces. Diameter : 1/4″ (0.250″)Thread Pitch : 28 TPI – UNF / Fine ThreadLength : Please select from drop down menu above.Drive : 5/32″ Hex Key – Available hereType : Flat Socket Cap ScrewMatching Nut : 1/4-28 Available here System of Measurement : Inch (US) / SAEMaterial : Alloy Steel with Thermal Black OxideSpecifications : ASTM F835 – 82° Head

1/4-28 Button Head Socket Cap Screws, Alloy Steel w/ Black Oxide, US SAE Fine

1/4-28 Socket Head Cap Screws, Alloy Steel w/ Black Oxide, US SAE Fine Thread

Lot Of 5 Aircraft Alcoa Fastening Sys. Captive Screw P/N CA28080-4-20HS

1/4-28 Flat Head Socket Cap Screws, 82° Countersunk SAE Alloy Steel Black Oxide

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