CSH912A286SP

Imperial Large Heavy-Duty Crownserts

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

Installed using the Crownserts Hand-Installation Tool:  CSHT912

CSH912A286SP reinforces or repairs 9/16-12 UNC imperial threads in aluminium, magnesium or other non-ferrous materials. A286 alloy with silver plating for demanding service, with .703 45/64 tap-hole guidance and CSHT912 hand installation tooling.

Crownserts can offer you the part CSH912A286SP with Certificate of Quality, Certificate of Conformity and Certificate of Origin on request.

CSH912A286SP - Imperial Large Heavy-Duty Crownserts
CSH912A286SP - Imperial Large Heavy-Duty Crownserts
CSH912A286SP - Imperial Large Heavy-Duty Crownserts
CSH912A286SP - Imperial Large Heavy-Duty Crownserts
 How to install a Crownsert?
CSH912A286SP - Imperial Large Heavy-Duty Crownserts
CSH912A286SP - Imperial Large Heavy-Duty Crownserts
CSH912A286SP - Imperial Large Heavy-Duty Crownserts

Thread & Dimensions

A internal thread (Class 3B) 9/16-12 UNC
B external thread (Class 3A) 3/4-16 UNF
Ø max minor special .6860
Ø C (+.008/-.002) .647
D (+.015/-.000) .145
F ref .550
G (±.010) .843
Through-hole preparation Min. full depth 0,878
Blind-hole preparation Min. full depth 0,878
CSH912A286SP 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 CSHT912
Step drill part number CSD0703
Tap through tool part number TTI0750
Blind tap tool part number TBI0750
Removal tool part number CSHRT912
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Crownserts is offering part CSH912A286SP as factory new.