THREADING/STYLE/THREAD MILLS/16620

A BRAND AT-1

Advanced Performance One Pass Thread Mill

EDP: 8331000
M6x0.75 4FL A BRAND AT1 EgiAs
Description
Taps_-_Thread_Mill_-_A_Brand_AT-1_-_List_16620_-_Type_2
P

Steel

Alloy Steels : 4140; 4340
High Carbon Steel : 1065
Low Carbon Steel : 1010; 1018
Medium Carbon Steel : 1035; 1045
Good
Best
M

Stainless Steel

Stainless Steels : 300
Stainless Steels : 17-4PH
Stainless Steels : 400
Good
Best
K

Cast Iron

Cast Iron
Good
Best
N

Non-Ferrous

Aluminum : 6061; 7075
Aluminum : Casting
Good
Best
H

Hardened Steel

Hardened Steels : 35 HRC
Hardened Steels : 35-45 HRC
Good
Best
P

Steel

Alloy Steels : 4140; 4340
High Carbon Steel : 1065
Low Carbon Steel : 1010; 1018
Medium Carbon Steel : 1035; 1045
Good
Best
M

Stainless Steel

Stainless Steels : 300
Stainless Steels : 17-4PH
Stainless Steels : 400
Good
Best
K

Cast Iron

Cast Iron
Good
Best
N

Non-Ferrous

Aluminum : 6061; 7075
Aluminum : Casting
Good
Best
H

Hardened Steel

Hardened Steels : 35 HRC
Hardened Steels : 35-45 HRC
Good
Best
Description
The A Brand AT-1 threadmill is designed with a left-hand helix for a small pitch diameter difference between the hole entry and the bottom of the hole, allowing a delay in gauge-out failure. Longer tool life can be achieved with elimination of “zero cutting” for correcting bending.
Features & Benefits
EgiAs Coating For exceptional wear resistance
Right-Hand Cut & Left-Hand Helix Geometry Increases tool stability
Ultra-Fine Grain Carbide For high wear resistance and toughness
Unequal Spacing / Variable Lead Flute For reduced vibration
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Thread Size - MetricM6
Thread TypeMF
Pitch0.75
Diameter - Metric (D)4.5
Length of Cut - Metric (Lc)13.5
Neck Length - Metric (L1)16
Overall Length - Metric (L)75
Shank Diameter - Metric (d)6
Shank Toleranceh6
Coolant ThruNo
SubstrateCarbide
Surface TreatmentEgiAs
Type1
Number of Flutes4
Helix Angle - Degree11
Cutting DirectionRH
Helix DirectionRH
View Catalog PageHere
View Speed and Feed PageHere
NotesFor internal threads only
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