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Locking nut Preveling torque type nut U-NUT-Fuji Precision Co., Ltd.

Price (excluding tax)

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Model Description

■Features ・A nut whose width across flats relative to the nominal diameter is one rank smaller than general nuts. ・The weight of the nut can be reduced. ・Work space can be reduced. - Tools can be shared, improving work efficiency.


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Diagonal (e) approx. mm

Friction ring material

Nominal diameter (d) mm

Nut body material

Overall height (h) Standard dimensions mm

Overall height (h) Tolerance mm

Pitch (p)mm

Thread height (m) approx. mm

Unit weight (g)

Width across flats (s) Standard dimension mm

Width across flats (s) Tolerance mm

Cap body material

L (MAX) mm

L (MIN) mm

Brim thickness (C) mm

Counterbore depth (b) approx.mm

Counterbore diameter (φdb) Standard dimension mm

Counterbore diameter (φdb) Tolerance mm

Seat diameter (φdc) Standard dimension mm

Seat diameter (φdc) Tolerance mm

Strength classification

H2 mm

H2 tolerance mm

Welding area outer width (S1) approx.mm

Nominal diameter - number of threads

Diagonal (e) max mm

Diagonal (e) min mm

Width across flats (s) max. mm

Width across flats (s) min mm

See all 9 models in list
  • Part Number

    Small U-NUT

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Locking nut Preveling torque type nut U-NUT Small U-NUT's performance table

Image Price (excluding tax) Diagonal (e) approx. mm Friction ring material Nominal diameter (d) mm Nut body material Overall height (h) Standard dimensions mm Overall height (h) Tolerance mm Pitch (p)mm Thread height (m) approx. mm Unit weight (g) Width across flats (s) Standard dimension mm Width across flats (s) Tolerance mm
Locking nut Preveling torque type nut U-NUT-Part Number-Small U-NUT Available upon quote 13.9~31.2 SUS301 M8~M20 SS400,S45C (temperature),SUS304 7.3~17.5 ±0.4~±0.5 1.25~2 6.2~16 4.0~41.5 12~27 0~0.35

There are 9 models for this product.

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