CSL714AD

Imperial Structural Locking Crownserts

CSL Series / Locking Type / AD / Structural

Installed using the Crownserts Hand-Installation Tool:  CSTL714

CSL714AD is an imperial structural locking crownsert in 4130 alloy steel for high mechanical strength, designed to strengthen 7/16-14 UNC threads in lightweight parent materials. It uses 1/2-20 UNF external threads and CSTL714 installation tooling.

Crownserts can offer you the part CSL714AD with Certificate of Quality, Certificate of Conformity and Certificate of Origin on request.

CSL714AD - Imperial Structural Locking Crownserts
CSL714AD - Imperial Structural Locking Crownserts
CSL714AD - Imperial Structural Locking Crownserts
CSL714AD - Imperial Structural Locking Crownserts
 How to install a Crownsert?
CSL714AD - Imperial Structural Locking Crownserts
CSL714AD - Imperial Structural Locking Crownserts
CSL714AD - Imperial Structural Locking Crownserts

Thread & Dimensions

A internal thread (Class 3B) 7/16-14 UNC
B external thread (Class 3A) 1/2-20 UNF
Ø max minor special .4630
Ø C (+.008/-.002) .439
D (+.015/-.000) .135
E .377
G (±.010) .660
J (±1) 39
Through-hole preparation Min. full THD depth .920; Min. full depth .695
Blind-hole preparation Min. full THD depth .820; Min. full depth .695
CSL714AD 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 CSTL714
Step drill part number CSD0468
Tap through tool part number TTI0500
Blind tap tool part number TBI0500
Removal tool part number CSRT714
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Crownserts is offering part CSL714AD as factory new.