CSH0256A286

Imperial Miniature Heavy-Duty Crownserts

CSH Series / Standard Type / A286 / Miniature Heavy-Duty

Installed using the Crownserts Hand-Installation Tool:  CSHT02

CSH0256A286 reinforces or repairs 2-56 UNC imperial threads in aluminium, magnesium or other non-ferrous materials. A286 high-temperature alloy, with .140 #28 tap-hole guidance and CSHT02 hand installation tooling.

Crownserts can offer you the part CSH0256A286 with Certificate of Quality, Certificate of Conformity and Certificate of Origin on request.

CSH0256A286 - Imperial Miniature Heavy-Duty Crownserts
CSH0256A286 - Imperial Miniature Heavy-Duty Crownserts
CSH0256A286 - Imperial Miniature Heavy-Duty Crownserts
CSH0256A286 - Imperial Miniature Heavy-Duty Crownserts
 How to install a Crownsert?
CSH0256A286 - Imperial Miniature Heavy-Duty Crownserts
CSH0256A286 - Imperial Miniature Heavy-Duty Crownserts
CSH0256A286 - Imperial Miniature Heavy-Duty Crownserts

Thread & Dimensions

A internal thread (Class 3B) 2-56 UNC
B external thread (Class 3A) 8-32 UNC
Ø max minor special .1380
Ø C (+.008/-.002) .116
D (+.015/-.000) .042
F ref .080
G (±.010) .130
Through-hole preparation Min. full depth 0,160
Blind-hole preparation Min. full depth 0,160
CSH0256A286 schematic

Material & Finish

Material A286 per AMS5731 or AMS 5734
Finish PASSIVATED per AMS 2700 & SFL coated per SAE AS5272, Type 1
Temperature range -400°/+650°F
Heat treat RC 32-40
Magnetic NO

Tooling & Preparation

Hand-installation tool part number CSHT02
Step drill part number CSD0140
Tap through tool part number TTI0164
Blind tap tool part number TBI0164
Removal tool part number CSHRT02
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Crownserts is offering part CSH0256A286 as factory new.