THREADING/STYLE/SPIRAL FLUTE/297

General Purpose Class of Fit Taps

EDP: 2985700
1/4-28 2B 3FX BOTT HY-PRO 7
Description
P

Steel

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

Good
Best
N

Non-Ferrous

Aluminum : 6061; 7075
Aluminum : Casting

Good
Best
P

Steel

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

Good
Best
N

Non-Ferrous

Aluminum : 6061; 7075
Aluminum : Casting

Good
Best
Description
HY-PRO SEVEN is a premium spiral flute tap for a wide range of materials.
Features & Benefits
HSS material Increased wear resistance
Spiral Flute For blind hole applications
Bright, Steam Oxide surface treatment S/O increases mechanical lubricity
TiCN coating Improves wear resistance for extended tap life
Stocked
ALTERNATIVE PRODUCT
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MOQ: 1

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Thread Size - Inch1/4
Thread TypeUNF
Threads Per Inch28
Class of Fit2B
Chamfer TypeBottom (1.5P)
Major Diameter - Inch0.25
Thread Length - Inch (Lc)0.594
Tap Drill Size Min - Inch0.211
Tap Drill Size Max - Inch0.22
Neck Length - Inch (L1)0.996
Overall Length - Inch (L)2.5
Square Length - Inch (Ik)0.3125
Shank Diameter - Inch (d)0.255
Square Width - Inch (k)0.191
STI ThreadNo
SubstrateHSS
Surface TreatmentBRIGHT
Coolant ThruNo
Number of Flutes3
Cutting DirectionRH
Helix Angle - Degree50
Helix DirectionRH
Interrupted ThreadNo
View Catalog PageHere
NotesOther coatings are available upon request.

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Basic 3D Model (STP)

2D Drawing(DXF)

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