CS1216D

Imperial Large Crownserts

CS Series / Standard Type / D / Large

Installed using the Crownserts Hand-Installation Tool:  CST1216

CS1216D CS Series is a standard imperial Crownserts® threaded insert for durable thread reinforcement. 4130 alloy steel for high mechanical strength; specified with 3/4-16 UNF internal thread and 7/8-20 UNEF installation thread.

Crownserts can offer you the part CS1216D with Certificate of Quality, Certificate of Conformity and Certificate of Origin on request.

CS1216D - Imperial Large Crownserts
CS1216D - Imperial Large Crownserts
CS1216D - Imperial Large Crownserts
CS1216D - Imperial Large Crownserts
 How to install a Crownsert?
CS1216D - Imperial Large Crownserts
CS1216D - Imperial Large Crownserts
CS1216D - Imperial Large Crownserts

Thread & Dimensions

A internal thread (Class 3B) 3/4-16 UNF
B external thread (Class 3A) 7/8-20 UNEF
Ø max minor special .8240
Ø C (+.008/-.002) .756
D (+.015/-.000) .170
F .750
G (±.010) 1.120
J (±1) 44
Through-hole preparation Min. full THD depth 1.380; Min. full depth 1.155
Blind-hole preparation Min. full THD depth 1.280; Min. full depth 1.155
CS1216D 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

Step drill part number CSD0836
Tap through tool part number TTI0875
Blind tap tool part number TBI0875
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Crownserts is offering part CS1216D as factory new.