SELF DRILLING SCREW CSK (BLACK/ZINK)-Self drilling screws have a point that acts as a drill bit and sharp cutting threads that tap the hole during installation. Self drilling screws are a commonly used variety of screw for quick drilling into both metal and wood. CSK Head Self Drilling screws are designed to be fitted without the need for a pre-drilled hole, and employs self-tapping threads enabling installation in one operation. This variant has a countersunk head with a pozi drive. The countersunk head is typically used in conjunction with a countersunk hole providing a flush, snag free fit
Brand : GENERIC
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