CSHLM4X0.7AD

Metric Heavy Duty Locking Crownserts

CSHML Series / Locking Type / AD / Heavy Duty

Installed using the Crownserts Hand-Installation Tool:  CSHTLM4

CSHLM4X0.7AD is a metric heavy duty locking crownsert in 4130 alloy steel for high mechanical strength, with MJ4X0.7 internal and M7X1 external threads. Prepared for 6.25-6.35 mm tap drill and installed with CSHTLM4

Crownserts can offer you the part CSHLM4X0.7AD with Certificate of Quality, Certificate of Conformity and Certificate of Origin on request.

CSHLM4X0.7AD - Metric Heavy Duty Locking Crownserts
CSHLM4X0.7AD - Metric Heavy Duty Locking Crownserts
CSHLM4X0.7AD - Metric Heavy Duty Locking Crownserts
CSHLM4X0.7AD - Metric Heavy Duty Locking Crownserts
 How to install a Crownsert?
CSHLM4X0.7AD - Metric Heavy Duty Locking Crownserts
CSHLM4X0.7AD - Metric Heavy Duty Locking Crownserts
CSHLM4X0.7AD - Metric Heavy Duty Locking Crownserts

Thread & Dimensions

Thread Ø A / class MJ4X0.7
Thread Ø B / class M7X1
Ø C (±0.15) 5,03
D (±0.3) 9,0
E (±0.2) 2,55
F ref 1,9
G min 1,15
H RAD min 1,86
R ref 5,8
Through-hole preparation Min. full THD depth 7,9 / 10; Min. full depth 13,4 / 15,5
Blind-hole preparation Min. full THD depth 7,9 / 10; Min. full depth 12 / 14,1
CSHLM4X0.7AD 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 CSHTLM4
Step drill part number CSHD0635
Tap through tool part number TTIM7
Blind tap tool part number TBIM7
Removal tool part number CSHRTM4
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Crownserts is offering part CSHLM4X0.7AD as factory new.