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CS1018P

Imperial Large Crownserts

CS Series / Standard Type / P / Large

Installed using the Crownserts Hand-Installation Tool:  CST1018

CS1018P is an imperial large crownsert in passivated 17-4PH stainless steel, designed to strengthen 5/8-18 UNF threads in lightweight parent materials. It uses 3/4-16 UNF external threads and CST1018 installation tooling.

Crownserts can offer you the part CS1018P with Certificate of Quality, Certificate of Conformity and Certificate of Origin on request.

Thread & Dimensions

A internal thread (Class 3B) 5/8-18 UNF
B external thread (Class 3A) 3/4-16 UNF
Ø max minor special .6870
Ø C (+.008/-.002) .634
D (+.015/-.000) .145
F .620
G (±.010) .940
J (±1) 46
Through-hole preparation Min. full THD depth 1.248; Min. full depth .967
Blind-hole preparation Min. full THD depth 1.123; Min. full depth .967
CS1018P 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 CST1018
Step drill part number CSD0702
Tap through tool part number TTI0750
Blind tap tool part number TBI0750
Removal tool part number CSRT1018

Crownserts is offering part CS1018P as factory new.