CSL720AD

Imperial Structural Locking Crownserts

CSL Series / Locking Type / AD / Structural

Installed using the Crownserts Hand-Installation Tool:  CSTL720

CSL720AD reinforces or repairs 7/16-20 UNF imperial threads in aluminium, magnesium or other non-ferrous materials. 4130 alloy steel for high mechanical strength, with .468 15/32 tap-hole guidance and CSTL720 hand installation tooling.

Crownserts can offer you the part CSL720AD with Certificate of Quality, Certificate of Conformity and Certificate of Origin on request.

CSL720AD - Imperial Structural Locking Crownserts
CSL720AD - Imperial Structural Locking Crownserts
CSL720AD - Imperial Structural Locking Crownserts
CSL720AD - Imperial Structural Locking Crownserts
 How to install a Crownsert?
CSL720AD - Imperial Structural Locking Crownserts
CSL720AD - Imperial Structural Locking Crownserts
CSL720AD - Imperial Structural Locking Crownserts

Thread & Dimensions

A internal thread (Class 3B) 7/16-20 UNF
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
CSL720AD 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 CSTL720
Step drill part number CSD0468
Tap through tool part number TTI0500
Blind tap tool part number TBI0500
Removal tool part number CSRT720
 REQUEST A QUOTE  DOWNLOAD OUR CATALOGUE

Crownserts is offering part CSL720AD as factory new.