BigHead® Collars consist of an internally threaded collar welded to a large perforated head. Standard collar lengths range from 5-22 mm, and standard heads range in size from 19-58 mm across. They are available in several different standard head shapes, to suit your specific application needs, with or without a sighted center hole and customized shapes and sizes are readily available. Their large perforated "head" provides an invisible, molded-in fastener, fixed for life, with very high torque and shear resistance. These fasteners are made from mild steel or stainless steel.
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BigHead® Rectangular Head Bondable Collar Nuts

BigHead® 5 Millimeter (mm) Length Galvanized Steel Rectangular Head Bondable Collar Nut
BigHead® Rectangular Head Bondable Collar Nuts

BigHead® 12 Millimeter (mm) Length Galvanized Steel Rectangular Head Bondable Collar Nut
BigHead® Rectangular Head Bondable Collar Nuts

BigHead® 16 Millimeter (mm) Length Galvanized Steel Rectangular Head Bondable Collar Nut
BigHead® Rectangular Head Bondable Collar Nuts

BigHead® 22 Millimeter (mm) Length Galvanized Steel Rectangular Head Bondable Collar Nut
BigHead® Rectangular Head Bondable Collar Nuts

BigHead® 10 Millimeter (mm) Length Galvanized Steel Rectangular Head Bondable Collar Nut
Description N/A BigHead® Collars consist of an internally threaded collar welded to a large perforated head. Standard collar lengths range from 5-22 mm, and standard heads range in size from 19-58 mm across. They are available in several different standard head shapes, to suit your specific application needs, with or without a sighted center hole and customized shapes and sizes are readily available. Their large perforated "head" provides an invisible, molded-in fastener, fixed for life, with very high torque and shear resistance. These fasteners are made from mild steel or stainless steel.
Brands N/A BigHead®
Material N/A Galvanized Steel
Thread Size N/A M6 N/A M6 N/A M6 N/A M6 N/A M8
Length N/A 5 mm N/A 12 mm N/A 16 mm N/A 22 mm N/A 10 mm
Head Diameter N/A 38 x 15 mm
Head Shape N/A Rectangular
Sighted N/A No
Features and Benefits N/A BigHead® fasteners are used extensively in plastics, automotive and engineering industries, and increasingly in construction, building and other fields. They can be molded-in during manufacture, or riveted, screwed or spot-welded. With the advent of modern adhesives providing permanent bonding, designers and manufacturers are now able to specify BigHead® for "blind" application to almost any surface or material.
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