354 



CAMBRIA STEEL. 



LENGTH OP RIVETS REQUIRED FOR VARIOUS 



GRIPS INCLUDING AMOUNT NECESSARY 



TO TORM ONE HEAD. 



Grip of 



Rivet 



in Inches. 



Diameter of Rivet in Inches. 



\" 



It" 



Amount in Inches to be subtracted from above lengths for 

 Countersunk Heads. 



