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Ships within 48 hours · Estimated delivery Aug 18 - Aug 23
Designed with dual roller and metal bracket
Mounting Hole Centers: 90mm(+/-3mm) / 3
Voltage: 30 V
Notices: Need to increase the speed and reduce the feed rate to avoid tool breakage
Step 1: Pouring the paint into the barrel for the roller coating
5pcs 8.5mm Nitride Titanium Coated High Speed Steel (HSS) 4341 Twist Drill Bits Characters Designed with dual roller and4341 high speed steel contains high content of carbon and alloy elements, providing excellent cutting performance, high heat resistance, high hardness, wear resistance and durability. Suitable for applications requiring precise and efficient processing. Black nitride and gold titanium dual coatings can apply lubricant better for smoother drilling and are more durable and corrosion resistant. Large spiral grooves facilitate the export of metal chips,
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