Skip to main content

CS0440AL

Imperial Miniature Crownserts

CS Series / Standard Type / AL / Miniature

Installed using the Crownserts Hand-Installation Tool:  CST04

CS0440AL CS Series is a standard imperial Crownserts® threaded insert for durable thread reinforcement. 17-4PH stainless steel with IVD aluminium coating; specified with 4-40 UNC internal thread and 8-32 UNC installation thread.

Crownserts can offer you the part CS0440AL with Certificate of Quality, Certificate of Conformity and Certificate of Origin on request.

Thread & Dimensions

A internal thread (Class 3B) 4-40 UNC
B external thread (Class 3A) 8-32 UNC
Ø max minor special .1380
Ø C (+.008/-.002) .116
D (+.015/-.000) .060
F .100
G (±.010) .190
J (±1) 15
Through-hole preparation Min. full THD depth .361; Min. full depth .220
Blind-hole preparation Min. full THD depth .298; Min. full depth .220
CS0440AL 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 CST04
Step drill part number CSD0140
Tap through tool part number TTI0164
Blind tap tool part number TBI0164
Removal tool part number CSRT04

Crownserts is offering part CS0440AL as factory new.