CS813AL

Imperial Structural Standard Crownserts

CS Series / Standard Type / AL / Structural

Installed using the Crownserts Hand-Installation Tool:  CST813

CS813AL is an imperial structural standard crownsert in 17-4PH stainless steel with IVD aluminium coating, designed to strengthen 1/2-13 UNC threads in lightweight parent materials. It uses 9/16-24 UNEF external threads and CST813 installation tooling.

Crownserts can offer you the part CS813AL with Certificate of Quality, Certificate of Conformity and Certificate of Origin on request.

CS813AL - Imperial Structural Standard Crownserts
CS813AL - Imperial Structural Standard Crownserts
CS813AL - Imperial Structural Standard Crownserts
CS813AL - Imperial Structural Standard Crownserts
 How to install a Crownsert?
CS813AL - Imperial Structural Standard Crownserts
CS813AL - Imperial Structural Standard Crownserts
CS813AL - Imperial Structural Standard Crownserts

Thread & Dimensions

A internal thread (Class 3B) 1/2-13 UNC
B external thread (Class 3A) 9/16-24 UNEF
Ø max minor special .5290
Ø C (+.008/-.002) .505
D (+.015/-.000) .135
F .490
G (±.010) .750
J (±1) 44
Through-hole preparation Min. full THD depth .973; Min. full depth .785
Blind-hole preparation Min. full THD depth .889; Min. full depth .785
CS813AL schematic

Material & Finish

Material 17-4PH, Cond H1025 per AMS 5643
Finish IVD ALUMINIUM coating per MIL-DTL-83488 type 2, Class 3 & SFL per SAE AS5272, Type I
Temperature range Up to 600°F
Heat treat RC 35-42
Magnetic YES

Tooling & Preparation

Hand-installation tool part number CST813
Step drill part number CSD0531
Tap through tool part number TTI0562
Blind tap tool part number TBI0562
Removal tool part number CSRT813
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Crownserts is offering part CS813AL as factory new.