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this screw is perfect for projects that require both strength and corrosion resistance
The screws are also heat treated for added strength and durability
which helps to lubricate it and make it easier to install
The EPDM rubber bonded to the washer provides excellent sealing properties
Their combination drive allows for convenient use with either a Phillips or slotted screwdriver
4-40 x 3/8 Coarse Thread Socket Head Cap Screw Black DFAR KSW188 this screw is perfect forThe 4 40 x 3 8 Coarse Thread Socket Head Cap Screw Black DFAR is a small, black screw with a hex head and a coarse thread. It is made of steel and has a black oxide finish. The screw is 3 8 inches long and has a diameter of 4 40. It is commonly used in electronic assemblies and other applications where a small, strong screw is needed. The screw meets the requirements of the Defense Federal Acquisition Regulation Supplement (DFARS), which ensures that
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