A countersunk headed screw requiring a hex key that conforms with ISO 10642 or DIN 7991. The countersunk head is typically used in conjunction with a countersunk hole providing a flush, snag free fit. The head diameter is slightly larger than that of the equivalent DIN 965 Phillips or Pozi driven screw. Includes a precision hex socket for maximum key engagement.
Please note that the black oxide finish offers only a basic level of corrosion resistance
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