CSH720A286SP

Imperial Structural Heavy-Duty Standard Crownserts

CSH Series / Standard Type / A286SP / Structural Heavy-Duty

Installed using the Crownserts Hand-Installation Tool:  CST720

CSH720A286SP reinforces or repairs 7/16-20 UNF imperial threads in aluminium, magnesium or other non-ferrous materials. A286 alloy with silver plating for demanding service, with .515 33/64 tap-hole guidance and CST720 hand installation tooling.

Crownserts can offer you the part CSH720A286SP with Certificate of Quality, Certificate of Conformity and Certificate of Origin on request.

CSH720A286SP - Imperial Structural Heavy-Duty Standard Crownserts
CSH720A286SP - Imperial Structural Heavy-Duty Standard Crownserts
CSH720A286SP - Imperial Structural Heavy-Duty Standard Crownserts
CSH720A286SP - Imperial Structural Heavy-Duty Standard Crownserts
 How to install a Crownsert?
CSH720A286SP - Imperial Structural Heavy-Duty Standard Crownserts
CSH720A286SP - Imperial Structural Heavy-Duty Standard Crownserts
CSH720A286SP - Imperial Structural Heavy-Duty Standard Crownserts

Thread & Dimensions

A internal thread (Class 3B) 7/16-20 UNF
B external thread (Class 3A) 9/16-18 UNF
Ø max minor special .4993
Ø C (+.008/-.002) .466
D (+.015/-.000) .135
F ref .430
G (±.010) .660
Through-hole preparation Min. full THD depth .945; Min. full depth 0,695
Blind-hole preparation Min. full THD depth .834; Min. full depth 0,695
CSH720A286SP schematic

Material & Finish

Material A286 per AMS5731 or AMS 5734
Finish PASSIVATED per AMS 2700 & Silver Plated per AMS 2411 (.0002 min. thickness)
Temperature range -400°/+1200°F
Heat treat RC 32-40
Magnetic NO

Tooling & Preparation

Hand-installation tool part number CST720
Step drill part number CSD0515
Tap through tool part number TTI0562
Blind tap tool part number TBI0562
Removal tool part number CSHRT720
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Crownserts is offering part CSH720A286SP as factory new.