Standard UNI 6952
			This norm has been cancelled
		
	
	
		Tapping screws, countersunk slotted flat head
	
	
		 
		| Dimensions in mm - source UNI 6952Withdrawn Publication date: 11/1978 | ||||||||
| Ø | P | dk max | dk min | k | t max | t min | n max | n min | 
| ST 2.2 | 0.8 | 4.3 | 4 | 1.3 | 0.6 | 0.4 | 0.6 | 0.66 | 
| ST 2.9 | 1.1 | 5.5 | 5.2 | 1.7 | 0.75 | 0.5 | 0.8 | 0.86 | 
| ST 3.5 | ||||||||
| ST 3.9 | ||||||||
| ST 4.2 | ||||||||
| ST 4.8 | ||||||||
| ST 5.5 | ||||||||
| ST 6.3 | ||||||||