DRA Magic Drill
High Efficiency Modular Drill
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Perfect holes every time with excellent hole accuracy
and a low cutting force design.
- New 12D sizes and chamfering attachment added
Low Cutting Force Design Improves Hole Accuracy
The special chisel edge with S-curve reduces thrust force and controls vibration.
Cutting Conditions : Vc = 390sfm, f = 0.010ipr, Drilling Diameter ∅0.551", Drilling Depth 1.772", Wet
Optimal Web Thickness Limits Deflection
The hole accuracy is improved by controlling drill deflection with a 20% thicker web compared with Competitor A.
Cutting Conditions : Vc = 390sfm, f = 0.012ipr Drilling Diameter ∅0.551", Measurement Position 2.165", Wet Workpiece : 1049 Steel
Fine Chip Breaking Even in Deep Hole Drilling Applications
Support Groove with Wider Flute (5D, 8D) Enables Smooth Chip Evacuation
Cutting Conditions : Vc = 200sfm, f = 0.008ipr, Drilling Diameter ∅0.551", Drilling Depth 2.756", Wet, Workpiece : 304 Stainless Steel
Easy Insert Replacement
Replace Insert Without Removing Screw
Replace insert without removing screw
Install the insert onto toolholder
(Align insert guide line with screw position)
Fix the insert by tightening the screw
PR1535 MEGACOAT NANO
MEGACOAT NANO Grade PR1535 for stable machining of steel and stainless steel applications
23% Improved Fracture Toughness
An increase in cobalt content yields a substrate with greater toughness. Fracture toughness values are improved by 23% over previous grades.
Stability Improvement
The coarse grain structure and uniform particle size correspond to improved heat resistance, with conductivity values decreased by 11%. The uniform structure also reduces crack propagation.
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