B1/2-20 x 1 1/2 MS90727, Alloy Steel B1821 Fine Cap Screw Per ASTM A354BD Zinc Yellow DFAR KPOB The AB serrations on the

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

- Length of 50mm

12 x 6 Metric 6-Lobe Round Washer PT Alternative Fully Threaded A2 Stainless Steel is a washer designed to be used with M2

4 x 12 ISO14581 Metric 6-Lobe Flat Machine Screw

* Flat head with Phillips drive for easy installation

B1/2-20 x 1 1/2 MS90727, Alloy Steel B1821 Fine Cap Screw Per ASTM A354BD Zinc Yellow DFAR KPOB The AB serrations on theB1 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.