CSHL0256AD

Imperial Miniature Heavy-Duty Crownserts

CSH Series / Locking Type / AD / Miniature Heavy-Duty

Installed using the Crownserts Hand-Installation Tool:  CSHTL02

CSHL0256AD reinforces or repairs 2-56 UNC imperial threads in aluminium, magnesium or other non-ferrous materials. 4130 alloy steel for high mechanical strength, with .140 #28 tap-hole guidance and CSHTL02 hand installation tooling.

Crownserts can offer you the part CSHL0256AD with Certificate of Quality, Certificate of Conformity and Certificate of Origin on request.

CSHL0256AD - Imperial Miniature Heavy-Duty Crownserts
CSHL0256AD - Imperial Miniature Heavy-Duty Crownserts
CSHL0256AD - Imperial Miniature Heavy-Duty Crownserts
CSHL0256AD - Imperial Miniature Heavy-Duty Crownserts
 How to install a Crownsert?
CSHL0256AD - Imperial Miniature Heavy-Duty Crownserts
CSHL0256AD - Imperial Miniature Heavy-Duty Crownserts
CSHL0256AD - Imperial Miniature Heavy-Duty Crownserts

Thread & Dimensions

A internal thread (Class 3B) 2-56 UNC
B external thread (Class 3A) 8-32 UNC
Ø max minor special .1380
Ø C (+.008/-.002) .116
D (+.015/-.000) .042
E ref .073
G (±.010) .170
Through-hole preparation Min. full depth 0,160
Blind-hole preparation Min. full depth 0,160
CSHL0256AD schematic

Material & Finish

Material Alloy Steel 4130 per AMS 6370
Finish Cadmium Plated per AMS-QQ-P-416 Type 2, Class 3 & SFL per SAE AS5272
Temperature range Up to 450+°F
Heat treat RC 25-34
Magnetic YES

Tooling & Preparation

Hand-installation tool part number CSHTL02
Step drill part number CSD0140
Tap through tool part number TTI0164
Blind tap tool part number TBI0164
Removal tool part number CSHRT02
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Crownserts is offering part CSHL0256AD as factory new.