Skip to main content

1/4"-28 UNF HSS-E Spiral Flute Tap, 0.255" Shank x 0.354" Thread Length, 2.5XD, Mod. Bottoming, 3 Flute, GH4, TiN Coated

Part # 03-01511/4-28 SP FL TSC MULTIPLE MATERIAL TAP
03-0151.jpg
03-0151-1.jpg
03-0151-2.jpg
03-0151-3.jpg
LineDrawing.jpg
* All prices and specifications subject to change without notice. Actual product appearance & included accessories may differ.
HOW TO USE THIS PRODUCT?
Download documents
Iso Material Chart
Primary Workpiece Material
P - Steel
M - Stainless Steel
N - Aluminum
K - Cast Iron
Technical specifications

System of Measurement

Inch - ANSI

Thread Series

UNF - Unified Natl. Fine

Thread Size

1/4"-28

Tap Type

Spiral Flute

Chamfer Type

Modified Bottoming

Shank Type

Square

Material

HSS-E

Coating

TiN

[TPI] Threads per Inch

28 tpi

Tap Drill Diameter

0.217 in

[ØDC] Cutting Diameter

0.25 in

[ØDMM] Shank Diameter

0.255 in

[L2] Chamfer Length

2P - 3P

[L1] Thread Length

0.354 in

[LU] Usable Length

1.0 in

[OAL] Overall Length

2.5 in

[SS] Square Size

0.191 in

[NOF] Number of Flutes

3

[FHA°] Helix Angle

40

Length / Diameter

2.5 X D

Thread Class

GH4

Through Spindle Coolant

Yes

Weight

0.1 lbs \ 0.1 kg

Country of Origin

South Korea
Technical Images
LineDrawing.jpg