Button Allen M4 x 40mm, Dia. 4mm, Length 40mm, Allen Socket Button Screws
Button Allen M4 x 40mm – Allen Socket Button Head Screw
Thread Diameter: 4mm (M4)
Pitch: 0.7mm
Length: 40mm (measured from under the head)
Head Type: Button Head
Drive Type: Hex Socket (Allen)
Allen Key Size: 2.5mm
Material: Mild Steel (MS)
Finish: Black Oxide
Description:
The Button Allen M4 x 40mm is a long socket button head screw designed for secure fastening in extended or layered assemblies. Constructed from mild steel (MS) with a black oxide finish, it offers durability and a clean, professional appearance. With a 0.7mm thread pitch and 2.5mm hex socket drive, this screw is ideal for mechanical assemblies, brackets, and enclosures requiring both reach and reliable performance.
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