#12 1 in. External Hex Flange Head Self Drilling Screw Class 4 Galvanized Self-Drilling Screws

Self Drilling Screws has a hexagon head, so is designed to be driven in with a standard spanner or ratchet and socket. Only suitable for light applications such as aluminium ducting or 1mm steel.

    Youngtion Technology is a forward-looking company focused on building products especially on fasteners and committed to being the world's leading supplier of fasteners and solution providers.
    The company adheres to the principle of customer demand, technology as the core, market-oriented, specialize in stainless steel screws and collated fasteners. 
    Youngtion Technology will continue to bring more value to customers than expected.