CSH624AD

Imperial Structural Heavy-Duty Standard Crownserts

CSH Series / Standard Type / AD / Structural Heavy-Duty

Installed using the Crownserts Hand-Installation Tool:  CST624

CSH624AD is an imperial structural heavy-duty standard crownsert in 4130 alloy steel for high mechanical strength, designed to strengthen 3/8-24 UNF threads in lightweight parent materials. It uses 1/2-20 NS external threads and CST624 installation tooling.

Crownserts can offer you the part CSH624AD with Certificate of Quality, Certificate of Conformity and Certificate of Origin on request.

CSH624AD - Imperial Structural Heavy-Duty Standard Crownserts
CSH624AD - Imperial Structural Heavy-Duty Standard Crownserts
CSH624AD - Imperial Structural Heavy-Duty Standard Crownserts
CSH624AD - Imperial Structural Heavy-Duty Standard Crownserts
 How to install a Crownsert?
CSH624AD - Imperial Structural Heavy-Duty Standard Crownserts
CSH624AD - Imperial Structural Heavy-Duty Standard Crownserts
CSH624AD - Imperial Structural Heavy-Duty Standard Crownserts

Thread & Dimensions

A internal thread (Class 3B) 3/8-24 UNF
B external thread (Class 3A) 1/2-20 NS
Ø max minor special .4276
Ø C (+.008/-.002) .393
D (+.015/-.000) .110
F ref .370
G (±.010) .560
Through-hole preparation Min. full THD depth .820; Min. full depth 0,595
Blind-hole preparation Min. full THD depth .720; Min. full depth 0,595
CSH624AD schematic

Material & Finish

Material Alloy Steel 4130 per AMS 6370
Finish Cadmium Plated per AMS-QQ-P-416 Type 2, Class 3 & SFL per SAE AS5272
Temperature range Up to 450+°F
Heat treat RC 25-34
Magnetic YES

Tooling & Preparation

Hand-installation tool part number CST624
Step drill part number CSD0437
Tap through tool part number TTI0484
Blind tap tool part number TBI0484
Removal tool part number CSHRT624
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Crownserts is offering part CSH624AD as factory new.