CSHL616AD

Imperial Structural Heavy-Duty Locking Crownserts

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

Installed using the Crownserts Hand-Installation Tool: CSHTL616

CSHL616AD is an imperial structural heavy-duty locking crownsert in 4130 alloy steel for high mechanical strength, designed to strengthen 3/8-16 UNC threads in lightweight parent materials. It uses 1/2-20 NS external threads and CSHTL616 installation tooling.

Crownserts can offer you the part CSHL616AD with Certificate of Quality, Certificate of Conformity and Certificate of Origin on request.

CSHL616AD - Imperial Structural Heavy-Duty Locking Crownserts

CSHL616AD - Imperial Structural Heavy-Duty Locking Crownserts

CSHL616AD - Imperial Structural Heavy-Duty Locking Crownserts

How to install a Crownsert?

A internal thread (Class 3B) 3/8-16 UNC

B external thread (Class 3A) 1/2-20 NS

Ø max minor special .4276

Ø C (+.008/-.002) .393

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

E ref .322

G (±.010) .560

Through-hole preparation Min. full THD depth .820; Min. full depth 0,595

Blind-hole preparation Min. full THD depth .720; Min. full depth 0,595

CSHL616AD 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 CSHTL616

Step drill part number CSD0437

Tap through tool part number TTI0484

Blind tap tool part number TBI0484

Removal tool part number CSHRT616

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Crownserts is offering part CSHL616AD as factory new.

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