THREADING/STYLE/FORMING/14001

Premium Design for a Wide Range of Materials

EDP: 1400126600
1/4-20 H8 2.5P NRT
Description
P

Steel

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

Good
Best
M

Stainless Steel

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

Good
Best
N

Non-Ferrous

Aluminum : 6061; 7075
Aluminum : Casting

Good
Best
H

Hardened Steel

Hardened Steels : 35 HRC

Good
Best
P

Steel

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

Good
Best
M

Stainless Steel

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

Good
Best
N

Non-Ferrous

Aluminum : 6061; 7075
Aluminum : Casting

Good
Best
H

Hardened Steel

Hardened Steels : 35 HRC

Good
Best
Description
HY-PRO NRT Taps Performance Form Taps for Materials < 32Rc
Features & Benefits
Stocked
SUBSTITUTE PRODUCT

CAN: 0 In stock

USA: 389 In stock

MOQ: 1

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Thread Size - Inch1/4
Thread TypeUNC
Threads Per Inch20
Thread Limith8
Chamfer TypeModified Bottom (2.5P)
Major Diameter - Inch0.25
Thread Length - Inch (Lc)0.594
Tap Drill Size Min - Inch0.2245
Tap Drill Size Max - Inch0.2296
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-CO
Surface TreatmentBRIGHT
Coolant ThruNo
Cutting 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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