CSSM12X1.25A286

Metric Short Standard Crownserts

CSSM Series / Standard Type / A286 / Short

Installed using the Crownserts Hand-Installation Tool:  CSTLM12

CSSM12X1.25A286 is a metric short standard crownsert for reinforced MJ12X1.25 threads in aluminium or magnesium. A286 high-temperature alloy; installation data includes 13.17-13.32 mm tap drill and 20,9 mm minimum full thread depth.

Crownserts can offer you the part CSSM12X1.25A286 with Certificate of Quality, Certificate of Conformity and Certificate of Origin on request.

CSSM12X1.25A286 - Metric Short Standard Crownserts
CSSM12X1.25A286 - Metric Short Standard Crownserts
CSSM12X1.25A286 - Metric Short Standard Crownserts
CSSM12X1.25A286 - Metric Short Standard Crownserts
 How to install a Crownsert?
CSSM12X1.25A286 - Metric Short Standard Crownserts
CSSM12X1.25A286 - Metric Short Standard Crownserts
CSSM12X1.25A286 - Metric Short Standard Crownserts

Thread & Dimensions

Thread Ø T1 / class MJ12X1.25
Thread Ø T2 / class M14X1.0
Shear engagement (mm²) 478,2
L (±0.3) 19,90
A diameter 12,37
B diameter min 11,43
C (±0.20) 4,65
D 3,5
E min 3,2
Through-hole preparation Min. full THD depth 20,9; Min. full depth 26,4
Blind-hole preparation Min. full THD depth 20,9; Min. full depth 25,0
CSSM12X1.25A286 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 CSTM12
Step drill part number CSD1332
Tap through tool part number TTIM14
Blind tap tool part number TBIM14
Removal tool part number CSRTM12
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Crownserts is offering part CSSM12X1.25A286 as factory new.