CS524

Imperial Structural Standard Crownserts

CS Series / Standard Type / 17-4PH / Structural

Installed using the Crownserts Hand-Installation Tool:  CST524

CS524 is an imperial structural standard crownsert in 17-4PH stainless steel, designed to strengthen 5/16-24 UNF threads in lightweight parent materials. It uses 3/8-24 UNF external threads and CST524 installation tooling.

Crownserts can offer you the part CS524 with Certificate of Quality, Certificate of Conformity and Certificate of Origin on request.

CS524 - Imperial Structural Standard Crownserts
CS524 - Imperial Structural Standard Crownserts
CS524 - Imperial Structural Standard Crownserts
CS524 - Imperial Structural Standard Crownserts
 How to install a Crownsert?
CS524 - Imperial Structural Standard Crownserts
CS524 - Imperial Structural Standard Crownserts
CS524 - Imperial Structural Standard Crownserts

Thread & Dimensions

A internal thread (Class 3B) 5/16-24 UNF
B external thread (Class 3A) 3/8-24 UNF
Ø max minor special .3405
Ø C (+.008/-.002) .314
D (+.015/-.000) .110
F .310
G (±.010) .470
J (±1) 29
Through-hole preparation Min. full THD depth .693; Min. full depth .505
Blind-hole preparation Min. full THD depth .693; Min. full depth .505
CS524 schematic

Material & Finish

Material 17-4PH, Cond H1025 per AMS 5643
Finish PASSIVATED per AMS 2700 & SFL coated per SAE AS5272, Type I
Temperature range -110°/+650°F
Heat treat RC 35-42
Magnetic YES
Material note Standard material code; no suffix added to the part number.

Tooling & Preparation

Hand-installation tool part number CST524
Step drill part number CSD0343
Tap through tool part number TTI0375
Blind tap tool part number TBI0375
Removal tool part number CSRT524
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Crownserts is offering part CS524 as factory new.