CSHL0720

Imperial Structural Heavy-Duty Locking Crownserts

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

Installed using the Crownserts Hand-Installation Tool:  CSHTL720

CSHL0720 CSH Series is a locking imperial Crownserts® threaded insert for durable thread reinforcement. 17-4PH stainless steel; specified with 7/16-20 UNF internal thread and 9/16-18 UNF installation thread.

Crownserts can offer you the part CSHL0720 with Certificate of Quality, Certificate of Conformity and Certificate of Origin on request.

CSHL0720 - Imperial Structural Heavy-Duty Locking Crownserts
CSHL0720 - Imperial Structural Heavy-Duty Locking Crownserts
CSHL0720 - Imperial Structural Heavy-Duty Locking Crownserts
CSHL0720 - Imperial Structural Heavy-Duty Locking Crownserts
 How to install a Crownsert?
CSHL0720 - Imperial Structural Heavy-Duty Locking Crownserts
CSHL0720 - Imperial Structural Heavy-Duty Locking Crownserts
CSHL0720 - Imperial Structural Heavy-Duty Locking 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
E ref .377
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
CSHL0720 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

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 CSHL0720 as factory new.