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‎1/4-20 3.150 HSSPM 3FL H3

‎Spiral Flute Tap; 1/4″ - 20 ; 3.15″ OAL ; 3 FL ; HSS-PM ; AlCrN ; H3 ; Series TRF14

Item # 8994344

Brand: YG-1 Cutting Tools

MFG #: TRF14403GS

Legacy Part #: YG42TRF14403GS

Trade Name: Prime Tap

Quantity Available

Thread Diameter Size (TDZ)

1/4″

Standard

DIN/ANSI

Threads per Inch (TPI)

Chamfer

‎2P-3P

Thread Standard

UNC

Coating

AlCrN

Overall Length (OAL)

3.15″

Shank Type

Square

Thread Cutting Part Length (THL)

0.397″

End Shape

Modified Bottoming

Usable Length (LU)

1.177″

Length Group

2.5xD

Connection Diameter Machine Side (DCONMS)

0.255″

Square Size

0.191″

Flute Count (NOF)

Measurement Type

Inch

Flute Helix Angle (FHA)

45 Degrees

Tapping Prehole Diameter (Pre-hole)

0.2047″

Cutting Edge Material

HSS-PM

Series/List #

TRF14

Thread Tolerance Class (TCTR)

Thread Size

‎1/4″ - 20

Product Features

Remarks

High and Reliable performance on various Ductile Materials.
Thread Structure: Reduction in torque, wear,and risk of over feeding. Extra Short Threaded Body and recess: Minimize bird nesting, redusced chipping, improved thread finish
HSS-PM(Powder Metallurgy) Premium Taps: Powdered Metal technology for tough-Chipping resistance cutting edge for long tool life and reliable thread finish.
YG-1's High Performance Coating for high heat and wear resistance.
Special design to prevent oversized threads and reduce gauging problems. High Performance on various Ductile Materials. NOTE: Taps should be only used strictly with a Tap adapter or Tap collet. Do not use a drill collet or you will have issues.

Country of Origin

S.Korea

Shipping Info

Package Length

4.625

Package Width

0.5

Package Height

0.375

Package Weight

0.041