#28 Coleman Orifice S1-9951-1401

Sale price $ 18.29 Regular price $ 21.53

Coleman orifice #28.  Also known as drill size 0.1405.  9951-1401

Hex head is 1/2", length is 3/8", threads are 7/16-27 UNS.  

Picture is for reference only. Hole size will vary on actual item.