CSHL0524AD

Imperial Structural Heavy-Duty Locking Crownserts

CSH Series / Locking Type / AD / Structural Heavy-Duty

Installed using the Crownserts Hand-Installation Tool: CSHTL524

CSHL0524AD is an imperial structural heavy-duty locking crownsert in 4130 alloy steel for high mechanical strength, designed to strengthen 5/16-24 UNF threads in lightweight parent materials. It uses 13/32-20 NS external threads and CSHTL524 installation tooling.

Crownserts can offer you the part CSHL0524AD with Certificate of Quality, Certificate of Conformity and Certificate of Origin on request.

CSHL0524AD - Imperial Structural Heavy-Duty Locking Crownserts

CSHL0524AD - Imperial Structural Heavy-Duty Locking Crownserts

CSHL0524AD - Imperial Structural Heavy-Duty Locking Crownserts

How to install a Crownsert?

A internal thread (Class 3B) 5/16-24 UNF

B external thread (Class 3A) 13/32-20 NS

Ø max minor special .3651

Ø C (+.008/-.002) .336

D (+.015/-.000) .110

E ref .266

G (±.010) .470

Through-hole preparation Min. full THD depth .730; Min. full depth 0,505

Blind-hole preparation Min. full THD depth .630; Min. full depth 0,505

CSHL0524AD schematic

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

Hand-installation tool part number CSHTL524

Step drill part number CSD0368

Tap through tool part number TTI0422

Blind tap tool part number TBI0422

Removal tool part number CSHRT524

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Crownserts is offering part CSHL0524AD as factory new.

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