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Flange Type U-NUT

Reduces number of components and improves work efficiency, fastening performance as well as aesthetic appearance

FUJILOK U-NUT
Dimensional Charts and Tightening Torque Charts
  • Single Chamfer (Type 1) & Double Chamfer (Type 2) U-NUT
  • Thin Type (Type 3) U-NUT
  • Small Type U-NUT
  • Cap Type U-NUT
  • Flange Type U-NUT
  • Flange Type U-NUT (Stainless Steel)
  • Weld Type U-NUT
  • Whitworth Thread Type U-NUT
  • Unified Thread Type U-NUT

Features

  • A FUJILOK U-NUT with a seat that has been expanded in a circular shape
  • Eliminates the need for flat washers
  • Disperses seat surface pressure
  • Improves fastening function

General names

Flange nut, Washer nut, Nut with brim

Video of features

Dimensional Charts

Flange Type U-NUT Dimensional Charts

●Availrable
Thread Accuracy: JIS6H(Class 2)  Unit:mm

Material of the Nut Body SS400 S45C
(thermal refined)
Unit
Weight
(g)
Approx.
Material of the Friction Ring SUS301
Nominal
Diameter
(d)
Pitch
(p)
Width Across Flat
(s)
Flange Diameter
(φdc)
Overall Height(h) Thread
Height
(m)
Approx.
Across
Corners
(e)
Approx.
Depth of
Counter
Bores
(b)
Approx.
Diameter of
Counter Bores
(φdb)
Flange
Thickness
(C)
Property Class
Base Tolerance Base Tolerance Base Tolerance Base Tolerance MIN 6T 8T
M4 0.7 7
0  
-0.2 
10 0  
-0.4
5.0 ±0.3 4.2 8.1 - - - 0.6 ●   1.3
M5 0.8 8 11 6.0 5.3 9.2 1.0 ●   2.0
M6 1 10 13 6.9 6.0 11.5 1.2 ●   3.5
M8 1.25 12 17 8.5 ±0.4 7.5 13.9 1.5 ● ● 6.8
14
0    
-0.25
16.2 ●   8.3
M10 1.25 14 19 10.0 8.8 1.7 ● ● 9.2
17 20 19.6 ●   13.7
M12 1.25 17 24 0  
-0.5
12.5 11.2 1.4 ●   17.4
19
  0      
-0.35
11.0 21.9 2 13 ±0.3 ●   20.5
M14 1.5 19 26 15.0 ±0.5 13.5 3 15 1.6 ●   22.6
22 ±0.5 25.4 ●   29.8
M16 1.5 22 30 16.5 15.0 17 3.0 ●   35.7
24 16.0 14.5 27.7 ● ● 41.5
M18 1.5 24 32 18.0 16.5 20 3.0 ●   41.7
*Please contact us for the presence or absence of a left-hand thread.
*Please check the stock condition of each size.
*The material also includes items with equivalent materials.
*Dimensions may change for improvement.
Please feel free to contact us for sizes, shapes, and materials that are not listed.

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    vehicles
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    vehicles
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    vehicles
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    equipment
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  • Marine
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