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CSHL0518A286SP

Imperial Structural Heavy-Duty Locking Crownserts

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

Installed using the Crownserts Hand-Installation Tool:  CSHTL518

CSHL0518A286SP CSH Series is a locking imperial Crownserts® threaded insert for durable thread reinforcement. A286 alloy with silver plating for demanding service; specified with 5/16-18 UNC internal thread and 13/32-20 NS installation thread.

Crownserts can offer you the part CSHL0518A286SP 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
E ref .266
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
CSHL0518A286SP 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

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 CSHL0518A286SP as factory new.