B1/2-20 x 1 1/2 MS90727, Alloy Steel B1821 Fine Cap Screw Per ASTM A354BD Zinc Yellow DFAR KPOB 4 x 12 ISO14581 Metric

4 x 12 ISO14581 Metric 6-Lobe Flat Machine Screw

The number 4 point self-drilling tip allows for easy penetration into metal

* Flat head with Phillips drive for easy installation

Its combination of functionality and ease of use makes it ideal for securing components in electronics

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

B1/2-20 x 1 1/2 MS90727, Alloy Steel B1821 Fine Cap Screw Per ASTM A354BD Zinc Yellow DFAR KPOB 4 x 12 ISO14581 MetricB1 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.