CSHL1210A286SP

Imperial Large Heavy-Duty Crownserts

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

Installed using the Crownserts Hand-Installation Tool:  CSHTL1210

CSHL1210A286SP is an imperial large heavy-duty crownsert in A286 alloy with silver plating for demanding service, designed to strengthen 3/4-10 UNC threads in lightweight parent materials. It uses 15/16-20 UNJEF external threads and CSHTL1210 installation tooling.

Crownserts can offer you the part CSHL1210A286SP with Certificate of Quality, Certificate of Conformity and Certificate of Origin on request.

CSHL1210A286SP - Imperial Large Heavy-Duty Crownserts
CSHL1210A286SP - Imperial Large Heavy-Duty Crownserts
CSHL1210A286SP - Imperial Large Heavy-Duty Crownserts
CSHL1210A286SP - Imperial Large Heavy-Duty Crownserts
 How to install a Crownsert?
CSHL1210A286SP - Imperial Large Heavy-Duty Crownserts
CSHL1210A286SP - Imperial Large Heavy-Duty Crownserts
CSHL1210A286SP - Imperial Large Heavy-Duty Crownserts

Thread & Dimensions

A internal thread (Class 3B) 3/4-10 UNC
B external thread (Class 3A) 15/16-20 UNJEF
Ø max minor special .8797
Ø C (+.008/-.002) .838
D (+.015/-.000) .170
E ref .648
G (±.010) 1.125
Through-hole preparation Min. full depth 1,160
Blind-hole preparation Min. full depth 1,160
CSHL1210A286SP 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 CSHTL1210
Step drill part number CSD0891
Tap through tool part number TTI0938
Blind tap tool part number TBI0938
Removal tool part number CSHRT1210
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Crownserts is offering part CSHL1210A286SP as factory new.