tapping screw การใช้

• Self-tapping screws are used in a variety of applications ranging from DIY carpentry to surgery.
• Many dental implants and orthopedic bone screws are examples of self-tapping screws used in surgery.
• Self-tapping screws are widely used for driving into sheet metal or plastics and forming their own thread.
• If the steel framing is heavier than 20-gauge, self-tapping screws with finely spaced threads must be used.
• However, the base was die cast, but self-tapping screws were used, along with parts that snapped together without bolting.
• The Capelis XC-12 featured an unusual construction method with the main wing spar bolted together, and much of the metal skin attached with P-K self-tapping screws rather than rivets.
• "' Pocket-hole joinery "', or "'pocket-screw joinery "', involves drilling a hole at an angle  usually 15 degrees  into one workpiece, and then joining it to a second workpiece with a self-tapping screw.
• Some self-tapping screws are also "'self-drilling "', which means that, in addition to the tap-like flute in the leading threads, there is also a preliminary drill-like fluted tip that looks much like the tip of a center drill.