THREADING/STYLE/SPIRAL POINT/338Ni

Taps Designed for Nickel-Based Alloys

EDP: 3380008255
M8 X 1.25 D5 3S/P PLUG EXOPRO WHR-Ni HR
Description
M

Stainless Steel

Stainless Steels : 17-4PH

Good
Best
H

Hardened Steel

Hardened Steels : 45-50 HRC

Good
Best
S

Heat Resistant Super Alloy

Nickel Alloy : Inconel

Good
Best
M

Stainless Steel

Stainless Steels : 17-4PH

Good
Best
H

Hardened Steel

Hardened Steels : 45-50 HRC

Good
Best
S

Heat Resistant Super Alloy

Nickel Alloy : Inconel

Good
Best
Description
The EXOPRO-WHR-Ni spiral point tap series is one of OSG’s latest innovations for nickel-based alloy applications. The WHR-Ni series features a unique rake angle to improve cutting edge rigidity, which helps prevent chipping and prolongs tool life. With the addition of OSG’s patented HR coating, wear resistance and tool life can be substantially prolonged versus the competition.
Features & Benefits
OSG’s patented HR coating Improves wear resistance to prolong tool life.
Unique rake angle Improves cutting edge rigidity to prevent edge chipping.
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Thread Size - MetricM8
Thread TypeM
Pitch1.25
Thread LimitD5
Chamfer TypePlug (5P)
Major Diameter - Metric8
Thread Length - Metric (Lc)15
Tap Drill Size Min - Metric6.647
Tap Drill Size Max - Metric6.912
Neck Length - Metric (L1)35
Overall Length - Metric (L)90
Shank Diameter - Metric (d)8.0772
Square Length - Metric (Ik)9.525
Square Width - Metric (k)6.0452
STI ThreadNo
SubstrateVC-10
Surface TreatmentHR
Coolant ThruNo
Number of Flutes3
Cutting DirectionRH
Helix Angle - Degree0
Interrupted ThreadNo
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