What is this kind of security bolt head called, and how can I remove it?

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Cabinet Slotted Screwdriver, 316 x 3 · PRODUCT FEATURES · Head Size Head Size: 316 · Shank Length Shank Length: 3 · Specifications · Specifications

Thanks to the flat head, full utilisation of the load surface is possible No damage to transport goods due to protruding screw heads  Designed for maximum grip under load application, these Hi-Grip screwdrivers have a slotted tip, round blade and a flared flat head

neptune treasure slot png screw's slot, Phillips screws and screwdrivers are useful tools in manufacturing and construction The Phillips head screwdriver was created What Are the Screw Drive Types Designed to Do? · Slotted · Phillips · Phillips Tamper-Resistant · Combination · Hex External · Hex Internal · Hex