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SuperTEK® 7 Wing Drill Countersunk TEK® 7
TSTF5.5-143-7
EVOSHIELD TEK® RANGE
TSTF5.5-143-7
Designed For - When timber is being fastened to thicker steel sections or where extremely hard steels defeat normal TEK screws.
Head Style - Double Countersunk.
Drive - Torx 30.
Drill point - SuperTEK® 7.
Thread Form - 24 threads per inch fine thread, ‘V’ fluted.
Shank Material - Carbon steel.
Material Grade - AISI C1022.
Coating - 1000Hr EvoShield®.
Recommended drill speed - 1,500 - 2,500 RPM (non-impacting only).
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