CSL1216AL

Imperial Large Crownserts

CS Series / Locking Type / AL / Large

Installed using the Crownserts Hand-Installation Tool:  CST1216

CSL1216AL CS Series is a locking imperial Crownserts® threaded insert for durable thread reinforcement. 17-4PH stainless steel with IVD aluminium coating; specified with 3/4-16 UNF internal thread and 7/8-20 UNEF installation thread.

Crownserts can offer you the part CSL1216AL with Certificate of Quality, Certificate of Conformity and Certificate of Origin on request.

CSL1216AL - Imperial Large Crownserts
CSL1216AL - Imperial Large Crownserts
CSL1216AL - Imperial Large Crownserts
CSL1216AL - Imperial Large Crownserts
 How to install a Crownsert?
CSL1216AL - Imperial Large Crownserts
CSL1216AL - Imperial Large Crownserts
CSL1216AL - 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
E .648
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
CSL1216AL schematic

Material & Finish

Material 17-4PH, Cond H1025 per AMS 5643
Finish IVD ALUMINIUM coating per MIL-DTL-83488 type 2, Class 3 & SFL per SAE AS5272, Type I
Temperature range Up to 600°F
Heat treat RC 35-42
Magnetic YES

Tooling & Preparation

Hand-installation tool part number CSTL1216
Step drill part number CSD0836
Tap through tool part number TTI0875
Blind tap tool part number TBI0875
Removal tool part number CSRT1216
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Crownserts is offering part CSL1216AL as factory new.