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M3*0.5*54 mm 1/4" HSS TiN SKRAB 33823 tap drills are used to drill 3 mm holes in sheet metal (or profile) and simultaneously cut M3 metric threads in 0.5 increments in one working pass. The length of the tap drill is 54 mm, the countersink size is 7 mm. M3*0.5*54 mm 1/4" HSS TiN SKRAB 33823 taps are..

M5*0.8*57.5 mm 1/4" HSS TiN SKRAB 33825 tap drills are used for drilling holes with a diameter of 5 mm in sheet metal (or profile) and simultaneously cutting M5 metric threads with a pitch of 0.8 in one working pass. The length of the tap drill is 57.5 mm, the countersink size is 7 mm. M5 * 0.8 * 57..