B1/2-20 x 1 1/2 MS90727, Alloy Steel B1821 Fine Cap Screw Per ASTM A354BD Zinc Yellow DFAR KPOB 3/8-16 x 1 1/4 Slot

3/8-16 x 1 1/4 Slot Indent Hex Washer Serrated Thread Cut Screw Type F Full Thread Zinc is a versatile screw designed for various applications

The AB serrations on the screw's body enhance its grip and prevent loosening

4 x 12 ISO14581 Metric 6-Lobe Flat Machine Screw

It has a flat head design with ribbed exterior for a secure hold

B1/2-20 x 1 1/2 MS90727, Alloy Steel B1821 Fine Cap Screw Per ASTM A354BD Zinc Yellow DFAR KPOB 3/8-16 x 1 1/4 SlotB1 2 20 x 1 1 2 MS90727 is an Alloy Steel B1821 Fine Cap Screw manufactured to meet the specifications of ASTM A354BD. It has a diameter of 1 2 inch, a length of 1 1 2 inches, and a thread pitch of 20 threads per inch. The screw is zinc plated with a yellow chromate finish and meets the requirements of the Defense Federal Acquisition Regulation Supplement (DFARS). It is commonly used in aerospace and other high performance applications.