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CSH0518A286

Imperial Structural Heavy-Duty Standard Crownserts

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

Installed using the Crownserts Hand-Installation Tool:  CST518

CSH0518A286 CSH Series is a standard imperial Crownserts® threaded insert for durable thread reinforcement. A286 high-temperature alloy; specified with 5/16-18 UNC internal thread and 13/32-20 NS installation thread.

Crownserts can offer you the part CSH0518A286 with Certificate of Quality, Certificate of Conformity and Certificate of Origin on request.

Thread & Dimensions

A internal thread (Class 3B) 5/16-18 UNC
B external thread (Class 3A) 13/32-20 NS
Ø max minor special .3651
Ø C (+.008/-.002) .336
D (+.015/-.000) .110
F ref .310
G (±.010) .470
Through-hole preparation Min. full THD depth .730; Min. full depth 0,505
Blind-hole preparation Min. full THD depth .630; Min. full depth 0,505
CSH0518A286 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

Step drill part number CSD0368
Tap through tool part number TTI0422
Blind tap tool part number TBI0422
Removal tool part number CSHRT518

Crownserts is offering part CSH0518A286 as factory new.