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Ships within 48 hours · Estimated delivery Aug 11 - Aug 16
Opening: 5mm/0
*Note: Each caster capacity is 15kg
4 inch(D*T)
Overall Size: 36
Surface electroplating treatment
12.3mm Titanium Coated M42 High Speed Steel 8% Cobalt (HSS) Twist Drill Bit 7.6 Inch Opening: 5mm/0M42 steel is a super hard cobalt high speed tool steel containing 8% cobalt, with good toughness, high wear resistance, high cutting efficiency, and good hot hardness (Retains hardness even at high temperatures of the cutting edge.). Nanoscale gold titanium coating can apply lubricant better for smoother drilling and is more durable and corrosion resistant. Can greatly improves hardness, wear resistance, and reduces the coefficient of friction. Sharp
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