Metric hex flange nuts are similar to and often used with metric flange bolts and are available with coarse and fine machine screw threads. A large protruding circular flange, the diameter of which exceeds that of the hex section, accommodates oversized holes. Choose from smooth (non-serrated) and serrated bearing surfaces. The serrations provide resistance to loosening..
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METRIC CLASS 8 HEX SERRATED FLANGE LOCKNUT, DIN 6923, ZINC CR+3

M5-0.80 METRIC HEX SERRATED FLANGE NUT (DIN 6923) CLASS 8 ZINC
Web Price $134.40
METRIC CLASS 8 HEX SERRATED FLANGE LOCKNUT, DIN 6923, ZINC CR+3

M6-1.00 METRIC HEX SERRATED FLANGE NUT (DIN 6923) CLASS 8 ZINC
Web Price $142.70
METRIC CLASS 8 HEX SERRATED FLANGE LOCKNUT, DIN 6923, ZINC CR+3

M6-1.00 METRIC HEX SERRATED FLANGE NUT (DIN 6923) CLASS 8 ZINC
Web Price $25.33
METRIC CLASS 8 HEX SERRATED FLANGE LOCKNUT, DIN 6923, ZINC CR+3

M8-1.25 METRIC HEX SERRATED FLANGE NUT (DIN 6923) CLASS 8 ZINC
Web Price $154.72
METRIC CLASS 8 HEX SERRATED FLANGE LOCKNUT, DIN 6923, ZINC CR+3

M8-1.25 METRIC HEX SERRATED FLANGE NUT (DIN 6923) CLASS 8 ZINC
Web Price $27.56
Diameter N/A M5 N/A M6 N/A M6 N/A M8 N/A M8
Pitch N/A Coarse
Length N/A
Material N/A Class 8
Finish N/A Zinc Plated
Package Quantity N/A 5000 N/A 4000 N/A 500 N/A 2000 N/A 250