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CSHLM8X1.25AD

Metric Heavy Duty Locking Crownserts

CSHML Series / Locking Type / AD / Heavy Duty

Installed using the Crownserts Hand-Installation Tool:  CSHTLM8

CSHLM8X1.25AD is a metric heavy duty locking crownsert for reinforced MJ8X1.25 threads in aluminium or magnesium. 4130 alloy steel for high mechanical strength; installation data includes 10.376-10.612 mm tap drill and 17,7 mm minimum full thread depth.

Crownserts can offer you the part CSHLM8X1.25AD with Certificate of Quality, Certificate of Conformity and Certificate of Origin on request.

Thread & Dimensions

Thread Ø A / class MJ8X1.25
Thread Ø B / class M12X1.5
Ø C (±0.15) 9,36
D (±0.3) 16,7
E (±0.2) 3,95
F ref 2,9
G min 2,00
H RAD min 3,64
R ref 10,3
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
CSHLM8X1.25AD 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 CSHTLM8
Step drill part number CSHD1061
Tap through tool part number TTIM12
Blind tap tool part number TBIM12
Removal tool part number CSHRTM8

Crownserts is offering part CSHLM8X1.25AD as factory new.