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Racex® Line Round Disk
Self Ejecting

4639-CR55 Ejecting Stud Picture

Special pricing is being offered for a limited time.
Scroll down for details.

This new design with the Round Disk provides the following improvements over previous designs:

  • The larger Round Disk provides an advantage on weak materials by spreading the fastener's tensile load over a larger area.
  • The extreme ejection on 4639-CR55-xxx-Z3CT stud assemblies is a special advantage on curved or sliding panels.
  • This Hex/Slotted RACEX® stud assembly has a slot and hex recess allowing for operation with either a standard screw driver or a hex key.
  • Use of a hex key reduces the likelihood of slipping and damaging the surrounding panel.


4639-CR55-xxx-Z3CT
4639-CR55-xxx-Z3CT Dimension Drawing
Stud Assembly G (Grip) Weight Special Pricing*
inch mm lb g
4639-CR55-400-Z3CT .400 10.16 .0150 6.80 $0.99 each
4639-CR55-500-Z3CT .500 12.70 .0179 8.12 $0.99 each
4639-CR55-550-Z3CT .550 13.97 --- --- $0.99 each
4639-CR55-600-Z3CT .600 15.24 .0204 9.25 $0.99 each

* This special pricing is being offered for a limited time.

4639-CR55-xxx-Z3CT stud assemblies are sold with the stud and ejector spring secured in the mounting plate.

The available receptacles for the 4639-CR55-xxx-Z3CT are limited to 4639-195-xxx-14S-PAS springs and the 4639-24945-xxx-14S-PAS weld plate shown below.


4639-CR55-xxx-Z3CT

Spring Material and Finish: Stainless Steel, passivated.

Total
Thickness
4639-CR55 Ejecting Stud Picture
Stud Assembly
S-Spring Receptacle Picture
S-Spring
inch mm
.120-.149 3.05-3.78 4639-CR55-400-Z3CT 4639-195-275-14S-PAS
.150-.174 3.81-4.42 4639-CR55-400-Z3CT 4639-195-250-14S-PAS
.175-.199 4.45-5.05 4639-CR55-400-Z3CT 4639-195-225-14S-PAS
.200-.224 5.08-5.69 4639-CR55-400-Z3CT 4639-195-200-14S-PAS
.225-.249 5.72-6.32 4639-CR55-500-Z3CT 4639-195-275-14S-PAS
.250-.275 6.35-6.99 4639-CR55-500-Z3CT 4639-195-250-14S-PAS
.275-.299 6.99-7.59 4639-CR55-500-Z3CT 4639-195-225-14S-PAS
.300-.324 7.62-8.23 4639-CR55-500-Z3CT 4639-195-200-14S-PAS
.325-.349 8.26-8.86 4639-CR55-600-Z3CT 4639-195-275-14S-PAS
.350-.374 8.89-9.50 4639-CR55-600-Z3CT 4639-195-250-14S-PAS
.375-.399 9.53-10.13 4639-CR55-600-Z3CT 4639-195-225-14S-PAS
Spring Part Number Spring Height Special Pricing*
in mm
4639-195-200-14S-PAS .200 5.08 $0.25 each
4639-195-225-14S-PAS .225 5.72 $0.25 each
4639-195-250-14S-PAS .250 6.35 $0.25 each
4639-195-275-14S-PAS .275 6.99 $0.25 each

* This special pricing is being offered for a limited time and is only good with the purchase of an equal number of these Racex® fasteners.

1219-A5 receptacle springs are riveted to the support. See the1219-A5 receptacles page for complete specifications, including finish.


Weld Plate Receptacle Picture
4369-24945-xxx-14S-PAS Weld Plate Receptacle

The 4639-24945-xxx-14S-PAS weld plate has a stud entry hole especially designed to accept the 4639-CR55-xxx-Z3CT stud assembly. Extra length permits bending to fit a variety of applications.

Weld Plate Receptacle Dimension Drawing

Weld Plate Material and Finish: Cold rolled steel, unplated.

Spring Material and Finish: Stainless Steel, passivated.

Total
Thickness
4639-CR55 Ejecting Stud Picture
Stud Assembly
Weld Plate Receptacle Picture
WeldPlate
inch mm
.032-.064 .81-1.63 4639-CR55-400-Z3CT 4639-24945-360-14S-PAS
.065-.089 1.65-2.26 4639-CR55-400-Z3CT 4639-24945-335-14S-PAS
.090-.114 2.29-2.90 4639-CR55-400-Z3CT 4639-24945-310-14S-PAS
.115-.139 2.92-3.53 4639-CR55-400-Z3CT 4639-24945-285-14S-PAS
.140-.164 3.56-4.17 4639-CR55-500-Z3CT 4639-24945-360-14S-PAS
.165-.189 4.19-4.80 4639-CR55-500-Z3CT 4639-24945-335-14S-PAS
.190-.214 4.83-6.44 4639-CR55-500-Z3CT 4639-24945-310-14S-PAS
.215-.239 5.46-6.07 4639-CR55-500-Z3CT 4639-24945-285-14S-PAS
.240-.264 6.10-6.71 4639-CR55-600-Z3CT 4639-24945-360-14S-PAS
.265-.289 6.73-7.34 4639-CR55-600-Z3CT 4639-24945-335-14S-PAS
.290-.314 7.37-7.98 4639-CR55-600-Z3CT 4639-24945-310-14S-PAS
.315-.339 8.00-8.61 4639-CR55-600-Z3CT 4639-24945-285-14S-PAS
Weld Plate
Part Number
Plate
Dimension "H"
Special Pricing*
inch mm
4639-24945-285-14S-PAS .285 7.24 $0.45 each
4639-24945-310-14S-PAS .310 7.87 $0.45 each
4639-24945-335-14S-PAS .335 8.51 $0.45 each
4639-24945-360-14S-PAS .360 9.14 $0.45 each

* This special pricing is being offered for a limited time and is only good with the purchase of an equal number of these Racex® fasteners.

Typical Installation
Weld Plate Assembly Drawing