Tap bolts, Zinc plated steel, 1/2" x 6"

Tap bolt diameter is measured on the outside of the threads.

Tap bolt diameter

Resources

Diameter and Thread count
Coarse (standard) thread 1/2"-13

Click on a product # for additional info

Prod. #	Description	Buy
2980	SAE flat washers, Zinc plated steel, 1/2" SAE pattern is a tighter fit on the bolt and a smaller outside diameter.	Add $0.13 / ea $6.80 / 100 $55.10 / 1000
2998	USS flat washers, Zinc plated steel, 1/2" USS pattern is the most common type of flat washer.	Add $0.28 / ea $15.14 / 100 $123.00 / 1000
3028	Lock washers, Zinc plated steel, 1/2" Split lock washers place tension against a nut after tightening, to help prevent loosening.	Add $0.10 / ea $6.66 / 100 $56.50 / 1000