To order, add up the thickness of the panels being joined together, as shown here. Next, locate the total thickness on the chart. The part number is shown under the head style (oval or flush).

13/32" Flush Head or
RACEX®-F 13/32" Flush Head Fastener
and 1-3/8" Spacing S-Spring Receptacle

Total Material Thickness	Stud Grip	Spring Height
			13/32" Flush Head Stud Part Number	RACEX®-F 13/32" Flush Head Stud Part Number	1-3/8" Spacing S-Spring Part Number

5/16" Flush Head Fastener
and 1" Spacing S-Spring Receptacle

Total Material Thickness	Stud Grip	Spring Height
			5/16" Flush Head Stud Part Number	1" Spacing S-Spring Part Number

1/4" Flush Head Fastener
and 3/4" Spacing S-Spring Receptacle

Total Material Thickness	Stud Grip	Spring Height
			1/4" Flush Head Stud Part Number	3/4" Spacing S-Spring Part Number