THREADING/STYLE/SPIRAL FLUTE/317

Coolant-Through Taps Designed for Difficult to Machine Materials

EDP: 31701508
5/16-18 H3 3RX MOD-BOTT EXOTAP VC10 DIN OH V
Description
P

Steel

Alloy Steels : 4140; 4340
Die Steels

Good
Best
M

Stainless Steel

Stainless Steels : 17-4PH
Stainless Steels : 400

Good
Best
H

Hardened Steel

Hardened Steels : 35 HRC
Hardened Steels : 35-45 HRC

Good
Best
S

Heat Resistant Super Alloy

Nickel Alloy : Inconel
Titanium : 6AL4V (30HRC)

Good
Best
P

Steel

Alloy Steels : 4140; 4340
Die Steels

Good
Best
M

Stainless Steel

Stainless Steels : 17-4PH
Stainless Steels : 400

Good
Best
H

Hardened Steel

Hardened Steels : 35 HRC
Hardened Steels : 35-45 HRC

Good
Best
S

Heat Resistant Super Alloy

Nickel Alloy : Inconel
Titanium : 6AL4V (30HRC)

Good
Best
Description
EXOTAP VC-10 is the premium solution for tapping in difficult to machine materials.
Features & Benefits
OSG V-Coating Increased hardness, lubricity & wear resistance
Premium Powdered Metal VC-10 substrate Increased hardness for longer life
Spiral Flute For blind hole applications
Steam Oxide surface treatment S/O increases mechanical lubricity
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ALTERNATIVE PRODUCT

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Thread Size - Inch5/16
Thread TypeUNC
Threads Per Inch18
Thread LimitH3
Chamfer TypeModified Bottom (2.5P)
Major Diameter - Inch0.3125
Thread Length - Inch (Lc)0.445
Tap Drill Size Min - Inch0.252
Tap Drill Size Max - Inch0.265
Neck Length - Inch (L1)1.378
Overall Length - Inch (L)3.543
Square Length - Inch (Ik)0.375
Shank Diameter - Inch (d)0.318
Square Width - Inch (k)0.238
STI ThreadNo
SubstrateVC-10
Surface TreatmentV
Coolant ThruYes
Number of Flutes3
Cutting DirectionRH
Helix Angle - Degree15
Helix DirectionRH
Interrupted ThreadNo
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Basic 3D Model (STP)

2D Drawing(DXF)

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