AT-1 Features & Benefits
1-Pass Cutting Le Hand Helix Reduces Deection for 1-Pass Cutting The AT-1 is designed with a left hand helix and starts cutting from the shank side, reducing deflection, preventing bending, thus allowing for 1-pass cutting and reducing overall cutting time.
AT-1 Left Hand Helix
Conventional RIght Hand Helix
Starts cutting from the shank side Result: Reduced deflection Note: Climb milling recommended
Starts cutting from the tip Result: Big deflection
Superior Internal Threads Superior reads Made in Just 1-Pass
AT-1 (List 16620)
Tool Size
Conventional
Ø19.7mm • 54mm Length of Cut
Thread Size
M24 x 3
Work Material Tapping Depth Cutting Speed
304 Stainless Steel 45mm (full depth) 131 SFM (646 RPM) 5.9 IPM (0.0016 IPT)
Feed
Number of Passes
1
2
Coolant Machine
Water-Soluble
Horizontal Machining Center
AT-1 1-Pass
Conventional 2-Pass
9
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