CSHM8X1.25

Metric Heavy Duty Standard Crownserts

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

Installed using the Crownserts Hand-Installation Tool:  CSHTLM8

CSHM8X1.25 CSHM Series is a standard metric Crownserts® threaded insert made from 17-4PH stainless steel. It reinforces MJ8X1.25 threads in lightweight materials and uses M12X1.5 installation threads.

Crownserts can offer you the part CSHM8X1.25 with Certificate of Quality, Certificate of Conformity and Certificate of Origin on request.

CSHM8X1.25 - Metric Heavy Duty Standard Crownserts
CSHM8X1.25 - Metric Heavy Duty Standard Crownserts
CSHM8X1.25 - Metric Heavy Duty Standard Crownserts
CSHM8X1.25 - Metric Heavy Duty Standard Crownserts
 How to install a Crownsert?
CSHM8X1.25 - Metric Heavy Duty Standard Crownserts
CSHM8X1.25 - Metric Heavy Duty Standard Crownserts
CSHM8X1.25 - Metric Heavy Duty Standard Crownserts

Thread & Dimensions

Thread Ø A / class MJ8X1.25
Thread Ø B / class M12X1.5
Ø C 9,36
D (±0.3) 12,80
E (±0.2) 3,95
F 2,9
G min 2,7
H min 7,58
Through-hole preparation Min. full THD depth 13,8 / 17,7; Min. full depth 19,3 / 23,2
Blind-hole preparation Min. full THD depth 13,8 / 17,7; Min. full depth 17,9 / 21,8
CSHM8X1.25 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 CSHTM8
Step drill part number CSHD1061
Tap through tool part number TTIM12
Blind tap tool part number TBIM12
Removal tool part number CSHRTM8
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Crownserts is offering part CSHM8X1.25 as factory new.