CS518P

Imperial Structural Standard Crownserts

CS Series / Standard Type / P / Structural

Installed using the Crownserts Hand-Installation Tool:  CST518

CS518P reinforces or repairs 5/16-18 UNC imperial threads in aluminium, magnesium or other non-ferrous materials. passivated 17-4PH stainless steel, with .343 11/32 tap-hole guidance and CST518 hand installation tooling.

Crownserts can offer you the part CS518P with Certificate of Quality, Certificate of Conformity and Certificate of Origin on request.

CS518P - Imperial Structural Standard Crownserts
CS518P - Imperial Structural Standard Crownserts
CS518P - Imperial Structural Standard Crownserts
CS518P - Imperial Structural Standard Crownserts
 How to install a Crownsert?
CS518P - Imperial Structural Standard Crownserts
CS518P - Imperial Structural Standard Crownserts
CS518P - Imperial Structural Standard Crownserts

Thread & Dimensions

A internal thread (Class 3B) 5/16-18 UNC
B external thread (Class 3A) 3/8-24 UNF
Ø max minor special .3405
Ø C (+.008/-.002) .314
D (+.015/-.000) .110
F .310
G (±.010) .470
J (±1) 29
Through-hole preparation Min. full THD depth .693; Min. full depth .505
Blind-hole preparation Min. full THD depth .693; Min. full depth .505
CS518P schematic

Material & Finish

Material 17-4PH, Cond H1025 per AMS 5643
Finish PASSIVATED per AMS 2700
Temperature range -110°/+900°F
Heat treat RC 35-42
Magnetic YES
Material note Only non-locking version available.

Tooling & Preparation

Hand-installation tool part number CST518
Step drill part number CSD0343
Tap through tool part number TTI0375
Blind tap tool part number TBI0375
Removal tool part number CSRT518
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Crownserts is offering part CS518P as factory new.