A lot is for 10 studs or buttons 

I only sell in increments of 10. "Buy it now" the number of lots of 10  message me the details of the fasteners you want.


Message me the size of the fasteners you want. 

Shipping is $7 for the 1st lot, $1 each additional.

If you use the Priority Mail option I can get many lots in one flat rate box for the same $13 shipping.

Supersonic series Dzus are of a higher quality and tolerance than standard line fasteners. They are sized by the .010" instead of the standard .050". Intended for supersonic pressurized aircraft, but suitable wherever accurate sizing is desired. For example if a A5-40 is too tight you can use an A5T-11 it has .010" more clearance.  They are confusing because the T #s are not relative in different diameters. You need a chart.

Measured from the flat "underhead" surface to the back of the spring after locking.
Each dash number increases the size by .010"

- these are the sizes I have and rough quantities:

A3 1/2-31 (T8)        Q 190
A3 1/2-32 (T9)        Q 371
A3 1/2-33 (T10)      Q 30
A3 1/2-34 (T11)      Q 390
A3 1/2-36 (T13)      Q 20
A3 1/2-42 (T19)      Q 8

3 1/2  sixteenths" Diameter - shank measures .215"

refered to as A3 1/2 T or A3 1/2 or A35 or A35T or Size 35 is original part # -  confusing?

Genuine DZUS