Dormer E2874-40 7174105 UNC machine forming tap, No.4 x 40 thread, 4-flute, HSS-E cobalt high speed steel, DIN 2184-1 standard. 56mm overall length, 2.6mm pre-drill hole diameter. Suitable for M - Stainless steel, N - Non-ferrous metals, P - Steel and cast steel.

Basic Standard

DIN 2184-1

Clamping Length - millimeter (LSC)

6

Clamping width - inch

0.1063

Clamping width - millimeter (WSC)

2.7

Coating

TiN

Coating property (CTP)

1

Connection diameter - inch (DCON MS)

0.1378

Connection diameter - millimeter (DCON MS)

3.5

EDP number

47174105

Flute count (NOF)

4

Flute Geometry (FDC)

Oil Grooves Geometry (Threadforming)

Hand (Cutting direction)

Right

Material

HSS-E

Material application

M - Stainless steel, N - Non-ferrous metals, P - Steel and cast steel

MID number

7174105

Ordering code ANSI

E2874-40

Overall length - inch (OAL)

2.2047

Overall length - millimeter (OAL)

56

Premachined hole diameter - inch (PHD)

0.1024

Premachined hole diameter - millimeter (PHD)

2.6

Shank

Cylindrical shank with Square

Tap chamfer style (TCS)

C 2 - 3.5

Thread diameter - inch (TD)

0.112

Thread diameter - millimeter (TD)

2.845

Thread diameter size (TDZ)

4

Thread form (THFT)

UNC - Unified Coarse

Threading length - inch (THL)

0.3543

Threading length - millimeter (THL)

9

Threads per inch (TPI)

40

Usable length (ULDR)

3.5

Usable Length - inch (LU)

0.7087

Usable Length - millimeter (LU)

18