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When selecting finishes, select the RoHS compliant finishes. They are better for the environment and less expensive!

 
Racing Components Logo Ejecting Stud and S-Spring Receptacle

Flush Head Ejecting or
Wing Head Ejecting Fastener and
S-Spring Receptacle

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 Part Number column.

3/8"

Total Material Thickness Stud Length Spring Height Self Ejecting Wing Head Stud Picture Self Ejecting Stud Picture S-Spring Receptacle Picture
3/8" Ejecting
Wing Head Stud
Part Number
3/8" Ejecting
Flush Head Stud
Part Number
1-3/8" Spacing
S-Spring Receptacle
Part Number
.077"-.110" .400" .325" 4639-5W6-400-Z3CT 4639-56-400-Z3CT 4639-196-325-Z3CT
.102"- .135" .400" .300" 4639-5W6-400-Z3CT 4639-56-400-Z3CT 4639-196-300-Z3CT
.127"- .160" .400" .275" 4639-5W6-400-Z3CT 4639-56-400-Z3CT 4639-196-275-Z3CT
.152"- .185" .400" .250" 4639-5W6-400-Z3CT 4639-56-400-Z3CT 4639-196-250-Z3CT
.177"- .210" .400" .225" 4639-5W6-400-Z3CT 4639-56-400-Z3CT 4639-196-225-Z3CT
.202"- .235" .500" .300" 4639-5W6-500-Z3CT 4639-56-500-Z3CT 4639-196-300-Z3CT
.227"- .260" .550" .325" 4639-5W6-550-Z3CT 4639-56-550-Z3CT 4639-196-325-Z3CT
.252"- .285" .500" .250" 4639-5W6-500-Z3CT 4639-56-500-Z3CT 4639-196-250-Z3CT
.277"- .310" .500" .225" 4639-5W6-500-Z3CT 4639-56-500-Z3CT 4639-196-225-Z3CT
.302"- .335" .550" .250" 4639-5W6-550-Z3CT 4639-56-550-Z3CT 4639-196-250-Z3CT
.327"- .360" .550" .225" 4639-5W6-550-Z3CT 4636-56-550-Z3CT 4639-196-225-Z3CT

5/16"

Total Material Thickness Stud Length Spring Height Self Ejecting Wing Head Stud Picture Self Ejecting Stud Picture S-Spring Receptacle Picture
5/16" Ejecting
Wing Head Stud
Part Number
5/16" Ejecting
Flush Head Stud
Part Number
1" Spacing
Receptacle Part Number
.077"-.110" .400" .325" 4639-5W5-400-Z3CT 4639-55-400-Z3CT 4639-195-325-Z3CT
.102"- .135" .400" .300" 4639-5W5-400-Z3CT 4639-55-400-Z3CT 4639-195-300-Z3CT
.127"- .160" .400" .275" 4639-5W5-400-Z3CT 4639-55-400-Z3CT 4639-195-275-Z3CT
.152"- .185" .400" .250" 4639-5W5-400-Z3CT 4639-55-400-Z3CT 4639-195-250-Z3CT
.177"- .210" .400" .225" 4639-5W5-400-Z3CT 4639-55-400-Z3CT 4639-195-225-Z3CT
.202"- .235" .500" .300" 4639-5W5-500-Z3CT 4639-55-500-Z3CT 4639-195-300-Z3CT
.227"- .260" .550" .325" 4639-5W5-550-Z3CT 4639-55-550-Z3CT 4639-195-325-Z3CT
.252"- .285" .500" .250" 4639-5W5-500-Z3CT 4639-55-500-Z3CT 4639-195-250-Z3CT
.277"- .310" .500" .225" 4639-5W5-500-Z3CT 4639-55-500-Z3CT 4639-195-225-Z3CT
.302"- .335" .550" .250" 4639-5W5-550-Z3CT 4639-55-550-Z3CT 4639-195-250-Z3CT
.327"- .360" .550" .225" 4639-5W5-550-Z3CT 4636-55-550-Z3CT 4639-195-225-Z3CT