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Thin Type (Type 3) U-NUT

Allows for work in small spaces

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

  • Has a total height that is lower than the standard FUJILOK U-NUT
  • Reduces the weight of nuts
  • Allows for more smaller products

General names

Low nut, Thin nut

Video of features

Dimensional Charts

Thin Type (Type 3) U-NUT Dimensional Chart

Thread Accuracy: JIS6H(Class 2)  Unit:mm

Material of the Nut Body SS400 S45C (thermal refined) SUS304
Material of the Friction Ring SUS301
Nominal
Diameter
(d)
Pitch
(p)
Width Across Flat
(s)
Across
Corners
(e)
Approx.
Overall Height
(h)
Thread
Height
(m)
Approx.
Unit
Weight
(g)
Approx.
Overall Height
(h)
Thread
Height
(m)
Approx.
Unit
Weight
(g)
Approx.
Overall Height
(h)
Thread
Height
(m)
Approx.
Unit
Weight
(g)
Approx.
Base Tolerance Base Tolerance Base Tolerance Base Tolerance
M4 0.7 7
0   
-0.2 
8.1 3.1 ±0.3 2.3 0.6         3.1 ±0.3 2.3 0.6
M5 0.8 8 9.2 4.0 3.3 0.9         3.4 2.7 0.7
M6 1 10 11.5 4.0 3.1 1.7         4.0 3.1 1.7
M8 1.25 13  0     
-0.25
15.0 5.0 ±0.4 3.8 3.3         5.0 ±0.4 3.8 3.3
1 5.0 3.8 3.3              
M10 1.5 17 19.6 6.5 5.3 7.8         6.5 5.3 7.8
1.25 6.5 5.3 7.8 6.5 ±0.4 5.3 7.8 6.5 5.3 7.8
M12 1.75 19  0     
-0.35
21.9 8.5 7.0 11.9 8.5 7.0 11.9 8.5 7.0 11.9
1.5 8.5 7.0 11.9            
1.25 8.5 7.0 11.9 8.5 7.0 11.9 8.5 7.0 11.9
M14 2 22 25.4 9.5 ±0.5 8.0 17.6         9.5 ±0.5 8.0 17.6
1.5 9.5 8.0 17.6              
M16 2 24 27.7 12.0 10.5 26.0 12.0 ±0.5 10.5 26.0 11.0 9.5 24.0
1.5 12.0 10.5 26.0 12.0 10.5 26.0 11.0 9.5 24.0
M18 1.5 27 31.2 12.0 10.0 31.8 12.0 10.0 31.8 12.0 10.0 31.3
M20 2.5 30 34.6 14.0 11.9 46.3       13.5 11.4 44.3
1.5 14.0 11.9 46.3 12.0 9.9 39.9      
M22 1.5  0   
-0.4 
37.0 12.5 ±0.6 10.2 45.6           ±0.6    
M24 3 36 41.6 16.0 13.3 78.0         16.5 13.8 81.0
2 16.0 13.3 78.0              
M30 3.5 46 53.1 21.0 ±0.8 18.0 176.0         21.0 ±0.8 18.0 176.0
*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.
* (h1) mentioned is available. 
Please feel free to contact us for sizes, shapes, and materials that are not listed.

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