Details
1/2-13 X 2 1/2 FLAT SHCS
Description:
Similar in design to a socket button head cap screw but with an 82° countersunk flat head.
Applications/ Advantages
Used when a flush mounting, high strength screw is required. Commonly used in tools and dies where moving parts pass over the fastened area.
Material: Screws shall be made from alloy steel which conforms to the following chemical composition requirements - Carbon 0.28 to 0.50%; Phosphorus 0.040% maximum; Also, one or more of the following elements shall be present in sufficient quantity to meet the performance requirements listed below: chromium, nickel, molybdenum or vanadium.
Hardness: Rockwell 39-45 and 37-45.