|   Unit:
                     | 
| ①,Where specifying nominal size in decimals, zeros preceding the decimal and in the fourth decimal place shall be omitted. ②,Square recesses incorporate a slight taper on the sides of the recess. This taper can result in loss of penetration gaging depth on finished fasteners due to the buildup of plating in the recesses. The recess penetration dimensions specified here are for finished (plated ) product. Manufacturers should be advised that they should not use all this tolerance in the heading process, or an out-of-tolerance condition could exist after plating. | 
 
 Cross Recessed Pan Head Screws with Collar - Product Grade A
 
 Plastic Pan Head Screws with Cross Recess
 
  Cross Recessed Round Head Screws                        
         Suppliers(1) 
              
 
  Cross Recessed Round Head Screws                        
         Suppliers(1) 
              
 
  Cross Recessed Round Head Screws                        
         Suppliers(1) 
              
 
  Cross Recessed Round Head Screws                        
         Suppliers(2) 
              
 
 PZ Drives Round Head Screws with Collar
 
 Cross Recessed Round Head Screws
 
 Cross Recessed Round Head Screws with Collar
 
 Cross Recessed Round Head Screws
 
 Half-rounded Head Screws, Product Grades A and B
![Cross Recessed Round Head Screws [TABLE 2.2.11-2 I IA]](https://imgcc.164580.com/upload/48/pic/2023/11/20/1700459623123590352.jpg) 
 Cross Recessed Round Head Screws [TABLE 2.2.11-2 I IA]
![Cross Recessed Round Head Screws with Collar [TABLE 2.2.12-2 I]](https://imgcc.164580.com/upload/48/pic/2023/11/21/1700536436850675682.jpg) 
 Cross Recessed Round Head Screws with Collar [TABLE 2.2.12-2 I]
 
 Cross Recessed Round Head Screws with Collar
