CSH918AD

Imperial Large Heavy-Duty Crownserts

CSH Series / Standard Type / AD / Large Heavy-Duty

Installed using the Crownserts Hand-Installation Tool:  CSHT918

CSH918AD CSH Series is a standard imperial Crownserts® threaded insert for durable thread reinforcement. 4130 alloy steel for high mechanical strength; specified with 9/16-18 UNF internal thread and 3/4-16 UNF installation thread.

Crownserts can offer you the part CSH918AD with Certificate of Quality, Certificate of Conformity and Certificate of Origin on request.

CSH918AD - Imperial Large Heavy-Duty Crownserts
CSH918AD - Imperial Large Heavy-Duty Crownserts
CSH918AD - Imperial Large Heavy-Duty Crownserts
CSH918AD - Imperial Large Heavy-Duty Crownserts
 How to install a Crownsert?
CSH918AD - Imperial Large Heavy-Duty Crownserts
CSH918AD - Imperial Large Heavy-Duty Crownserts
CSH918AD - Imperial Large Heavy-Duty Crownserts

Thread & Dimensions

A internal thread (Class 3B) 9/16-18 UNF
B external thread (Class 3A) 3/4-16 UNF
Ø max minor special .6860
Ø C (+.008/-.002) .647
D (+.015/-.000) .145
F ref .550
G (±.010) .843
Through-hole preparation Min. full depth 0,870
Blind-hole preparation Min. full depth 0,870
CSH918AD 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 CSHT918
Step drill part number CSD0703
Tap through tool part number TTI0750
Blind tap tool part number TBI0750
Removal tool part number CSHRT918
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Crownserts is offering part CSH918AD as factory new.