EFC International
EFC International
1940 Craigshire St. Louis,
MO 63146-4008
Phone: 1 314.434.28881
Contact: www.efc-intl.com/contact
Website: www.efc-intl.com
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The BigHead® Hex Nut is a bondable hex nut attached to a galvanized or stainless steel head. They are available in different standard sizes and head shapes, to suit your specific application needs. These bondable Hex Nuts are available with or without a sighted center hole, and may be customized to suit your application needs. Their large perforated "head" provides an invisible, molded-in fastener, fixed for life, with very high torque and shear resistance.
BigHead® Round Base Bondable Hex Nuts
Unit of Measure
1 

Item #

Item Name

Material

Thread Size

Head Diameter

25BF1B19-M4HEX N/A BigHead® M4 Thread Size and 19 Millimeter (mm) Head Diameter Round Base Bondable Hex Nut N/A Galvanized Steel N/A M4 N/A 19 mm
25BF1S20-M4HEX N/A BigHead® M4 Thread Size and 20 Millimeter (mm) Head Diameter Round Base Bondable Hex Nut N/A Galvanized Steel N/A M4 N/A 20 mm
25BF1S20-M6HEX N/A BigHead® M6 Thread Size and 20 Millimeter (mm) Head Diameter Round Base Bondable Hex Nut N/A Galvanized Steel N/A M6 N/A 20 mm
25BF1S23-M4HEX N/A BigHead® M4 Thread Size and 23 Millimeter (mm) Head Diameter Round Base Bondable Hex Nut N/A Galvanized Steel N/A M4 N/A 23 mm
25BSF1S23-M4HEX N/A BigHead® M4 Thread Size and 23 Millimeter (mm) Head Diameter Round Base Bondable Hex Nut N/A Stainless Steel N/A M4 N/A 23 mm
25BF1S23-M6HEX N/A BigHead® M6 Thread Size and 23 Millimeter (mm) Head Diameter Round Base Bondable Hex Nut N/A Galvanized Steel N/A M6 N/A 23 mm
25BSF1S23-M5HEX N/A BigHead® M5 Thread Size and 23 Millimeter (mm) Head Diameter Round Base Bondable Hex Nut N/A Stainless Steel N/A M5 N/A 23 mm
25BF1S23-M8HEX N/A BigHead® M8 Thread Size and 23 Millimeter (mm) Head Diameter Round Base Bondable Hex Nut N/A Galvanized Steel N/A M8 N/A 23 mm
25BSF1S23-M6HEX N/A BigHead® M6 Thread Size and 23 Millimeter (mm) Head Diameter Round Base Bondable Hex Nut N/A Stainless Steel N/A M6 N/A 23 mm
25BF1B23-M4HEX N/A BigHead® M4 Thread Size and 23 Millimeter (mm) Head Diameter Round Base Bondable Hex Nut N/A Galvanized Steel N/A M4 N/A 23 mm
25BF1B23-M10HEX N/A BigHead® M10 Thread Size and 23 Millimeter (mm) Head Diameter Round Base Bondable Hex Nut N/A Galvanized Steel N/A M10 N/A 23 mm
25BF1S38-M6HEX N/A BigHead® M6 Thread Size and 38 Millimeter (mm) Head Diameter Round Base Bondable Hex Nut N/A Galvanized Steel N/A M6 N/A 38 mm
25BF1S38-M8HEX N/A BigHead® M8 Thread Size and 38 Millimeter (mm) Head Diameter Round Base Bondable Hex Nut N/A Galvanized Steel N/A M8 N/A 38 mm
25BF1S38-M10HEX N/A BigHead® M10 Thread Size and 38 Millimeter (mm) Head Diameter Round Base Bondable Hex Nut N/A Galvanized Steel N/A M10 N/A 38 mm
25BF1S38-M12HEX N/A BigHead® M12 Thread Size and 38 Millimeter (mm) Head Diameter Round Base Bondable Hex Nut N/A Galvanized Steel N/A M12 N/A 38 mm
25BSF1S38-M6HEX N/A BigHead® M6 Thread Size and 38 Millimeter (mm) Head Diameter Round Base Bondable Hex Nut N/A Stainless Steel N/A M6 N/A 38 mm
25BSF1S38-M8HEX N/A BigHead® M8 Thread Size and 38 Millimeter (mm) Head Diameter Round Base Bondable Hex Nut N/A Stainless Steel N/A M8 N/A 38 mm
25BSF1S38-M12HEX N/A BigHead® M12 Thread Size and 38 Millimeter (mm) Head Diameter Round Base Bondable Hex Nut N/A Stainless Steel N/A M12 N/A 38 mm
25BF1B38-M4HEX N/A BigHead® M4 Thread Size and 38 Millimeter (mm) Head Diameter Round Base Bondable Hex Nut N/A Stainless Steel N/A M4 N/A 38 mm
25BF1B38-M8HEX N/A BigHead® M8 Thread Size and 38 Millimeter (mm) Head Diameter Round Base Bondable Hex Nut N/A Galvanized Steel N/A M8 N/A 38 mm
25BF1B38-M10HEX N/A BigHead® M10 Thread Size and 38 Millimeter (mm) Head Diameter Round Base Bondable Hex Nut N/A Galvanized Steel N/A M10 N/A 38 mm
Unit of Measure
1