CSH813AD

Imperial Structural Heavy-Duty Standard Crownserts

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

Installed using the Crownserts Hand-Installation Tool:  CST813

CSH813AD is an imperial structural heavy-duty standard crownsert in 4130 alloy steel for high mechanical strength, designed to strengthen 1/2-13 UNC threads in lightweight parent materials. It uses 5/8-18 UNF external threads and CST813 installation tooling.

Crownserts can offer you the part CSH813AD with Certificate of Quality, Certificate of Conformity and Certificate of Origin on request.

CSH813AD - Imperial Structural Heavy-Duty Standard Crownserts
CSH813AD - Imperial Structural Heavy-Duty Standard Crownserts
CSH813AD - Imperial Structural Heavy-Duty Standard Crownserts
CSH813AD - Imperial Structural Heavy-Duty Standard Crownserts
 How to install a Crownsert?
CSH813AD - Imperial Structural Heavy-Duty Standard Crownserts
CSH813AD - Imperial Structural Heavy-Duty Standard Crownserts
CSH813AD - Imperial Structural Heavy-Duty Standard Crownserts

Thread & Dimensions

A internal thread (Class 3B) 1/2-13 UNC
B external thread (Class 3A) 5/8-18 UNF
Ø max minor special .5618
Ø C (+.008/-.002) .528
D (+.015/-.000) .135
F ref .490
G (±.010) .750
Through-hole preparation Min. full THD depth 1.035; Min. full depth 0,785
Blind-hole preparation Min. full THD depth .924; Min. full depth 0,785
CSH813AD 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 CST813
Step drill part number CSD0578
Tap through tool part number TTI0625
Blind tap tool part number TBI0625
Removal tool part number CSHRT813
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Crownserts is offering part CSH813AD as factory new.