M4.0x75MM Chipboard Screw Partially Threaded Countersunk Flat Head Screws For Wood

Pizidriv

Increased torque without cam-out
Greater surface contact engagement between the drive and the recess in the fastener head making it harder to slip when installed correctly

    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.