There are four types of Pro-Line series solid carbide drills developed by HAM Precision: super drills, compound drills, AMS parabolic drills, 3-slot 5XD drills, etc. The super drill is a two-slot (spiral groove), 30° helix angle, coated with a nitrogen-aluminum-titanium coating.
The length of the drill is 3 times, 5 times and 7 times the diameter, respectively. The groove type of the composite drill is a straight groove with a continuous cooling hole, and the length is 3 times, 5 times, 7 times and 12 times the diameter, respectively. The AMS parabolic drill core has an inverted cone for easy chip removal. A 3-slot drill with through-cooling holes is suitable for machining materials with short chips.
The length of the drill is 3 times, 5 times and 7 times the diameter, respectively. The groove type of the composite drill is a straight groove with a continuous cooling hole, and the length is 3 times, 5 times, 7 times and 12 times the diameter, respectively. The AMS parabolic drill core has an inverted cone for easy chip removal. A 3-slot drill with through-cooling holes is suitable for machining materials with short chips.
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