Lock nuts with integral locking

Product Introduction

KMFE Metric Lock Nut with Set Screw
KMK Metric Lock Nut with Built-in Locking

Lock nuts with built-in locking can reduce shaft costs by eliminating the need for a keyway. They also eliminate the need for a separate locking device, making installation faster and easier. However, the loosening torque of these lock nuts requires careful consideration. For information on loosening torque, refer to the product data for each lock nut series.

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Aperture d

mm

-

mm
Outer Diameter D

mm

-

mm
Width B

mm

-

mm
Model

Model	Thread Size	Basic Dimensions			Axial Load Capacity
					Static
	[mm]	d₃[mm]	B[mm]	G	[kN]
KMK 0	10.0	20.0	9.0	M 10x0.75	9.8
KMK 1	12.0	22.0	9.0	M 12x1	11.8
KMK 2	15.0	25.0	9.0	M 15x1	14.6
KMK 3	17.0	28.0	9.0	M 17x1	19.6
KMFE 4	20.0	32.0	9.5	M20x1	24.0
KMK 4	20.0	32.0	9.0	M 20x1	24.0
KMFE 5	25.0	38.0	10.5	M25x1.5	31.5
KMK 5	25.0	38.0	9.0	M 25x1.5	31.5
KMFE 6	30.0	45.0	10.5	M30x1.5	36.5
KMK 6	30.0	45.0	9.0	M 30x1.5	36.5