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MCMASTER (Adhesives (High-Strength Adhesives, Instant-Bonding Adhesives,…

- - - - Socket Head Screws
      - For standard socket head screws, the head height matches the screw's thread diameter.
      - Low-Profile Socket Head Screws
      - For use where space is limited, these screws have heads that are about half the height of a standard socket head.
      - Ultra-Low-Profile Socket Head Screws
      - These screws have a head that's about one-third the height of a standard socket head.
      - Vibration-Resistant Socket Head Screws
      - These screws have a locking feature to resist loosening from vibration.
      - Flanged Socket Head Screws
      - The flange distributes pressure where the screw meets the surface, eliminating the need for a separate washer.
      - Vented Socket Head Screws
      - These screws are drilled through the shaft to vent fluids and gases trapped beneath the screw. Good for vacuum systems.
      - Torx Socket Head Screws
      - A Torx-Plus drive has more points of contact than a conventional hex drive, allowing you to tighten these screws with less slippage or damage to the recess.
      - Sealing Socket Head Screws
      - A silicone O-ring under the head prevents leaks and seals out contaminants.
      - Soft-Tip Socket Head Screws
      - The soft tip minimizes damage when gripping textured and curved surfaces.
  - - - Hex Drive Flat Head Screws
      - Phillips Flat Head Screws
      - Slotted Flat Head Screws
      - Torx Flat Head Screws
      - A Torx drive has more points of contact than other drives—allowing you to tighten the screw without damaging the recess.
      - Tamper-Resistant Flat Head Screws
      - Difficult to remove without special tools, use these screws in public spaces to reduce the risk of theft and tampering.
      - Vibration-Resistant Flat Head Screws
      - A nylon patch bonded to the threads adds friction to resist loosening.
      - Vented Flat Head Screws
      - These screws are drilled through the shaft to vent fluid and gases trapped under the screw.
      - Sealing Flat Head Screws
      - A rubber O-ring prevents leaks and seals out contaminants.
      - Left-Hand Threaded Flat Head Screws
      - Tighten these screws by turning them to the left; once fastened, they prevent loosening from counterclockwise motion.
  - - - Hex Drive Rounded Head Screws
      - Phillips Rounded Head Screws
      - Slotted Rounded Head Screws
      - Torx Rounded Head Screws
      - A Torx drive has more points of contact than other drives—allowing you to tighten the screw without damaging the recess.
      - Combination Phillips/Slotted
      - Rounded Head Screws
      - Flanged Rounded Head Screws
      - The flange distributes pressure across a wider surface, eliminating the need for a separate washer.
      - Vibration-Resistant
      - Rounded Head Screws
      - Prevent screws from loosening due to vibration. Includes screws with thread locker, screws with lock washers, and screws that are wire lockable.
      - Tamper-Resistant
      - Rounded Head Screws
      - Difficult to remove without special tools, use these screws in public spaces to reduce the risk of theft and tampering.
      - Sealing Rounded Head Screws
      - A rubber O-ring prevents leaks and seals out contaminants.
      - Left-Hand Threaded
      - Rounded Head Screws
      - Tighten these screws by turning them to the left; once fastened, they prevent loosening from counterclockwise motion.
      - Vented Rounded Head Screws
      - These screws are drilled through the shaft to vent fluids and gases trapped under the screw.