THREADING/STYLE/SPIRAL POINT/301,THREADING/STYLE/STI/301 - STI

Ideal for Stainless Steel

EDP: 1713201
1/4-28 STI H2 3S/P PLUG EXO VA3 S/O
Description
P

Steel

Medium Carbon Steel : 1035; 1045
Low Carbon Steel : 1010; 1018
High Carbon Steel : 1065

Good
Best
M

Stainless Steel

Stainless Steels : 300
Stainless Steels : 400
Stainless Steels : 17-4PH

Good
Best
P

Steel

Medium Carbon Steel : 1035; 1045
Low Carbon Steel : 1010; 1018
High Carbon Steel : 1065

Good
Best
M

Stainless Steel

Stainless Steels : 300
Stainless Steels : 400
Stainless Steels : 17-4PH

Good
Best
Description
EXOTAP VA-3 is the premium solution for tapping helicoil (STI) threads in stainless steels.
Features & Benefits
HSSE material Increased wear resistance
OSG V-Coating Increased hardness, lubricity & wear resistance
Spiral Point For through hole applications
Steam Oxide surface treatment S/O increases mechanical lubricity
Stocked
ALTERNATIVE PRODUCT
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MOQ: 1

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Thread Size - Inch1/4
Thread TypeUNF STI
Threads Per Inch28
Thread LimitH2
Chamfer TypePlug (4P)
Major Diameter - Inch0.25
Thread Length - Inch (Lc)0.708
Tap Drill Size Min - Inch0.2577
Tap Drill Size Max - Inch0.2646
Neck Length - Inch (L1)1.133
Overall Length - Inch (L)2.72
Square Length - Inch (Ik)0.375
Shank Diameter - Inch (d)0.318
Square Width - Inch (k)0.238
STI ThreadYes
SubstrateHSSE
Surface TreatmentSteam Oxide
Coolant ThruNo
Number of Flutes3
Cutting DirectionRH
Helix Angle - Degree0
Interrupted ThreadNo
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Basic 3D Model (STP)

2D Drawing(DXF)

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