It is made of carbon steel and comes with waterproof gasket, which can be used for drilling and tapping in steel to prevent screw oxidation. Most fit for low corrosive environments.
It has high hardness and toughness, good corrosion resistance, good thermal strength and cold deformation performance and shock absorption performance.
The thread has a tightening effect, the thread section is smooth and flat, there is no residual burr, the thread is neat and clear, and there are few missing teeth.
It can be drilled and tapped directly on the base material. It is locked and has high toughness and clamping force. It is not easy to loosen after combination. The slippery head is not easy to appear during the installation process, which can facilitate the installation of tools.
The package includes: 5.5 x 32mm/5.5 x 38mm each with 50PCS, 5.5 x 50mm/5.5 x 75mm each with 25PCS, 4 kinds of size combination packages, available for your different needs.
150pcs Self-Tapping Screws Hex Head Self-Drilling Screws with Washer Carbon Steel 5.5x32mm 5.5x38mm 5.5x50mm 5.5x75mm for Car Bodywork Roof Sheet Aluminium Sheet
It is made of carbon steel and comes with waterproof gasket, which can be used for drilling and tapping in steel to prevent screw oxidation. Most fit for low corrosive environments.
It has high hardness and toughness, good corrosion resistance, good thermal strength and cold deformation performance and shock absorption performance.
The thread has a tightening effect, the thread section is smooth and flat, there is no residual burr, the thread is neat and clear, and there are few missing teeth.
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