Hex Flange Lock Nuts

  • Brand:

    T,TGR,XDM,OEM as requirement
  • Brief:

    DIN6923 hex flange lock nuts
  • Surface:

    Black oxide, Nickel, Possivation, Tin, Zinc Clear, Zinc Yellow, Zinc black
  • Material:

    Stainless steel,Carbon steel,etc
  • Size:

    M4-M20,#8-7/8,Custom-made
  • MOQ:

    According to size
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product details

These nuts have a flange that does the same job, spreading pressure across its surface for a strong hold. They're also called collar nuts. By leaving out the washer, they save assembly time, which adds up on parts that have multiple bolts.

Thread Size d M5 M6 M8 M10 M12 M14 M16 M20
P Pitch Coarse thread 0.8 1 1.25 1.5 1.75 2 2 2.5
Fine thread 1 / / 1 1.25 1.5 1.5 1.5 1.5
Fine thread 2 / / / -1 -1.25 / / /
c min 1 1.1 1.2 1.5 1.8 2.1 2.4 3
da min 5 6 8 10 12 14 16 20
max 5.75 6.75 8.75 10.8 13 15.1 17.3 21.6
dc max 11.8 14.2 17.9 21.8 26 29.9 34.5 42.8
dw min 9.8 12.2 15.8 19.6 23.8 27.6 31.9 39.9
e min 8.79 11.05 14.38 16.64 20.03 23.36 26.75 32.95
m max 5 6 8 10 12 14 16 20
min 4.7 5.7 7.6 9.6 11.6 13.3 15.3 18.9
mw min 2.2 3.1 4.5 5.5 6.7 7.8 9 11.1
s max=nominal size 8 10 13 15 18 21 24 30
min 7.78 9.78 12.73 14.73 17.73 20.67 23.67 29.67
r max 0.3 0.36 0.48 0.6 0.72 0.88 0.96 1.2