CSHM12X1.25

Metric Heavy Duty Standard Crownserts

CSHM Series / Standard Type / 17-4PH / Heavy Duty

Installed using the Crownserts Hand-Installation Tool:  CSHTLM12

CSHM12X1.25 is a metric heavy duty standard crownsert for reinforced MJ12X1.25 threads in aluminium or magnesium. 17-4PH stainless steel; installation data includes 14.376-14.612 mm tap drill and 20,9 mm minimum full thread depth.

Crownserts can offer you the part CSHM12X1.25 with Certificate of Quality, Certificate of Conformity and Certificate of Origin on request.

CSHM12X1.25 - Metric Heavy Duty Standard Crownserts
CSHM12X1.25 - Metric Heavy Duty Standard Crownserts
CSHM12X1.25 - Metric Heavy Duty Standard Crownserts
CSHM12X1.25 - Metric Heavy Duty Standard Crownserts
 How to install a Crownsert?
CSHM12X1.25 - Metric Heavy Duty Standard Crownserts
CSHM12X1.25 - Metric Heavy Duty Standard Crownserts
CSHM12X1.25 - Metric Heavy Duty Standard Crownserts

Thread & Dimensions

Thread Ø A / class MJ12X1.25
Thread Ø B / class M16X1.5
Ø C 13,36
D (±0.3) 19,90
E (±0.2) 4,65
F 3,5
G min 3,2
H min 11,43
Through-hole preparation Min. full THD depth 20,9 / 25,8; Min. full depth 26,4 / 31,3
Blind-hole preparation Min. full THD depth 20,9 / 25,8; Min. full depth 26,4 / 29,9
CSHM12X1.25 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 CSHTM12
Step drill part number CSHD1461
Tap through tool part number TTIM16
Blind tap tool part number TBIM16
Removal tool part number CSHRTM12
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Crownserts is offering part CSHM12X1.25 as factory new.