CSH1216AD

Imperial Large Heavy-Duty Crownserts

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

Installed using the Crownserts Hand-Installation Tool:  CSHT1216

CSH1216AD is an imperial large heavy-duty crownsert in 4130 alloy steel for high mechanical strength, designed to strengthen 3/4-16 UNF threads in lightweight parent materials. It uses 15/16-20 UNJEF external threads and CSHT1216 installation tooling.

Crownserts can offer you the part CSH1216AD with Certificate of Quality, Certificate of Conformity and Certificate of Origin on request.

CSH1216AD - Imperial Large Heavy-Duty Crownserts
CSH1216AD - Imperial Large Heavy-Duty Crownserts
CSH1216AD - Imperial Large Heavy-Duty Crownserts
CSH1216AD - Imperial Large Heavy-Duty Crownserts
 How to install a Crownsert?
CSH1216AD - Imperial Large Heavy-Duty Crownserts
CSH1216AD - Imperial Large Heavy-Duty Crownserts
CSH1216AD - Imperial Large Heavy-Duty Crownserts

Thread & Dimensions

A internal thread (Class 3B) 3/4-16 UNF
B external thread (Class 3A) 15/16-20 UNJEF
Ø max minor special .8797
Ø C (+.008/-.002) .838
D (+.015/-.000) .170
F ref .750
G (±.010) 1.125
Through-hole preparation Min. full depth 1,160
Blind-hole preparation Min. full depth 1,160
CSH1216AD 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 CSHT1216
Step drill part number CSD0891
Tap through tool part number TTI0938
Blind tap tool part number TBI0938
Removal tool part number CSHRT1216
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Crownserts is offering part CSH1216AD as factory new.