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CSSLM12X1.25

Metric Short Locking Crownserts

CSSML Series / Locking Type / 17-4PH / Short

Installed using the Crownserts Hand-Installation Tool:  CSTLM12

CSSLM12X1.25 is a metric short locking crownsert for reinforced MJ12X1.25 threads in aluminium or magnesium. 17-4PH stainless steel; installation data includes 13.17-13.32 mm tap drill and 20,9 mm minimum full thread depth.

Crownserts can offer you the part CSSLM12X1.25 with Certificate of Quality, Certificate of Conformity and Certificate of Origin on request.

Thread & Dimensions

Thread Ø T1 / class MJ12X1.25
Thread Ø T2 / class M14X1.0
Shear engagement (mm²) 478,2
A Ø 12,37
B RAD min 5,57
C (±0.20) 4,65
D ref 3,5
E min 2,50
L (±0.3) 19,9
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
CSSLM12X1.25 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 CSTLM12
Step drill part number CSD1332
Tap through tool part number TTIM14
Blind tap tool part number TBIM14
Removal tool part number CSRTM12

Crownserts is offering part CSSLM12X1.25 as factory new.