US PRO BRAKE CALLIPER BLEEDING VALVE REPAIR SET 1/4 AND 1/8 NPT 6232 Universal repair set for brake calliper bleeding valves 1/4" & 1/8" NPT. This set allows you to completely deburr the valve (including its thread) and to insert a threaded bush for a new breather valve. Set contains: 6.0mm Drill Bit - HSS 6542 8.5mm Drill Bit - M35 11mm Milling Bit - HSS 6542 Titanium Nitrate Coating 13.4mm 90° Countersink 1/8" x 27 NPT Hand Tap - HSS 6542 1/4" x 18 NPT Hand Tap - HSS 6542 Threaded Insert 1/4" NPT x 2 Threaded Insert 1/8" NPT x 2
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