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CSHL1210

Imperial Large Heavy-Duty Crownserts

CSH Series / Locking Type / 17-4PH / Large Heavy-Duty

Installed using the Crownserts Hand-Installation Tool:  CSHTL1210

CSHL1210 is an imperial large heavy-duty crownsert in 17-4PH stainless steel, 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 CSHL1210 with Certificate of Quality, Certificate of Conformity and Certificate of Origin on request.

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
CSHL1210 schematic

Material & Finish

Material 17-4PH, Cond H1025 per AMS 5643
Finish PASSIVATED per AMS 2700 & SFL coated per SAE AS5272
Temperature range -110°/+650°F
Heat treat RC 35-42
Magnetic YES
Material note Standard material code; no suffix added to the part number.

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

Crownserts is offering part CSHL1210 as factory new.