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Economy Lock Nut Economy Lock Nut
Secure fixation with 4 locking grooves and 4 stop screws
Receives axial and radial forces simultaneously, more stable (60° locking type product)

Product Features

misumi economy c-rm series
Market distribution※
Structure with 3 locking grooves and stop screws
Misumi Economy C-RM Series
Structure with 4 locking grooves and stop screws
Easy to install with 4 locking grooves
Excellent fixing force with 4 stop screws
Standard C-RM
60˚ locking type C-FM
Misumi Economy C-FM products are more stable because they can receive axial force and radial force at the same time with a 60˚ locking design
more stable with locking design

Test Results

We tested whether the screw would loosen by applying vibration and shock to the axial direction. (Vibration frequency: 0.6cpm Acceleration: 8G)
Test Specification Vibration Time (min) Test Results
C-AN series Market distribution 9 Dropped
Misumi Economy Type 32
Misumi standard Products 50
C-RM Series Market Distribution Products* 36 Dropped
Misumi Economy Type 60 No problem
Misumi existing product 60
C-FM Series (60˚ Locking) Misumi Economy Type 59 No Problem
※ Market distribution products are similar products that we purchased randomly from online and offline markets.
※ Experimental data is obtained through our own inspection and measurement and is provided for reference only.

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Note: Please check the current specification, price and delivery date again from the product page.