Super Hex Drillers feature a driller tip and extra wide washer. Use a hex-key wrench for this screw. Part numbers are 26A (Z), 26BZ, 26C (Z), 26EZ, 28AZ, 28BZ, 28CZ, HWHTZ10-2, 29BZ, 29CZ, and HWHTZ14-114.coating. Super Hex Drillers meet one or more of ASTM C954, C1002 & C1513 as well as ISO 9002 and 14001.
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