CSH0720

Imperial Structural Heavy-Duty Standard Crownserts

CSH Series / Standard Type / 17-4PH / Structural Heavy-Duty

Installed using the Crownserts Hand-Installation Tool:  CST720

CSH0720 is an imperial structural heavy-duty standard crownsert in 17-4PH stainless steel, designed to strengthen 7/16-20 UNF threads in lightweight parent materials. It uses 9/16-18 UNF external threads and CST720 installation tooling.

Crownserts can offer you the part CSH0720 with Certificate of Quality, Certificate of Conformity and Certificate of Origin on request.

CSH0720 - Imperial Structural Heavy-Duty Standard Crownserts
CSH0720 - Imperial Structural Heavy-Duty Standard Crownserts
CSH0720 - Imperial Structural Heavy-Duty Standard Crownserts
CSH0720 - Imperial Structural Heavy-Duty Standard Crownserts
 How to install a Crownsert?
CSH0720 - Imperial Structural Heavy-Duty Standard Crownserts
CSH0720 - Imperial Structural Heavy-Duty Standard Crownserts
CSH0720 - Imperial Structural Heavy-Duty Standard Crownserts

Thread & Dimensions

A internal thread (Class 3B) 7/16-20 UNF
B external thread (Class 3A) 9/16-18 UNF
Ø max minor special .4993
Ø C (+.008/-.002) .466
D (+.015/-.000) .135
F ref .430
G (±.010) .660
Through-hole preparation Min. full THD depth .945; Min. full depth 0,695
Blind-hole preparation Min. full THD depth .834; Min. full depth 0,695
CSH0720 schematic

Material & Finish

Material 17-4PH, Cond H1025 per AMS 5643
Finish PASSIVATED per AMS 2700 & SFL coated per SAE AS5272
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 CST720
Step drill part number CSD0515
Tap through tool part number TTI0562
Blind tap tool part number TBI0562
Removal tool part number CSHRT720
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Crownserts is offering part CSH0720 as factory new.