CS0256P

Imperial Miniature Crownserts

CS Series / Standard Type / P / Miniature

Installed using the Crownserts Hand-Installation Tool:  CST02

CS0256P is an imperial miniature crownsert in passivated 17-4PH stainless steel, designed to strengthen 2-56 UNC threads in lightweight parent materials. It uses 6-40 UNF external threads and CST02 installation tooling.

Crownserts can offer you the part CS0256P with Certificate of Quality, Certificate of Conformity and Certificate of Origin on request.

CS0256P - Imperial Miniature Crownserts
CS0256P - Imperial Miniature Crownserts
CS0256P - Imperial Miniature Crownserts
CS0256P - Imperial Miniature Crownserts
 How to install a Crownsert?
CS0256P - Imperial Miniature Crownserts
CS0256P - Imperial Miniature Crownserts
CS0256P - Imperial Miniature Crownserts

Thread & Dimensions

A internal thread (Class 3B) 2-56 UNC
B external thread (Class 3A) 6-40 UNF
Ø max minor special .1073
Ø C (+.008/-.002) .086
D (+.015/-.000) .042
F .080
G (±.010) .130
J (±1) 21
Through-hole preparation Min. full THD depth .273; Min. full depth .160
Blind-hole preparation Min. full THD depth .223; Min. full depth .160
CS0256P 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 CST02
Step drill part number CSD0113
Tap through tool part number TTI0136
Blind tap tool part number TBI0136 / TBI0138
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Crownserts is offering part CS0256P as factory new.