KNURLED EXPANSION INSERTS Type 841 - Plain, 841H - Headed
Headed and unheaded expansion type inserts for use in all types of plastic, also gives a self locking action to the inserted screw.
Material: Brass (-80)
To specify: Type - Thread size - Material e.g. Plain M3 Brass - 841-0030-80
KNURLED EXPANSION INSERTS Type 842 - Reversed Head
Reverse head push-in inserts with self locking action for use in thermoset materials.
Material: Brass (-80)
Finish: Type - Thread size - Material
e.g. M4 Brass - 842-0040-80


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