Ozxzh Left Hand M12x1.75 Left Hand Threading Die 1Pcs Metric Thread Cutting Dies Tools For Metalworking M3 M4 M5 M6 M8 M10 M12 M14 M16 M18 M20(Left Hand M12x1.75)
OZXZH
This left hand threading die set includes metric thread cutting dies in sizes M3, M4, M5, M6, M8, M10, M12, M14, M16, M18, and M20, designed specifically for reverse-thread external tapping on left-handed bolts, rods, and machinery parts . Manufactured from high-speed steel (HSS) or GCr15 bearing steel with heat-treated hardness reaching HRC55-60, these left hand thread dies provide wear resistance, corrosion protection, and durability for metalworking applications . Each round die features a tapered thread design and multiple chip evacuation holes that allow smooth chip clearance during cutting, reducing friction and preventing clogging when processing carbon steel, stainless steel, aluminum, copper, and cast iron . Ideal for creating reverse threads or repairing damaged left-hand threads on threaded rods and cylindrical parts in mold machining, auto repair, and industrial maintenance environments . For optimal performance, use with a standard die stock and apply cutting oil to the cutting edge, reversing the die every quarter to half turn to facilitate chip removal and extend tool life ., Manufacturer: OZXZH
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