Dormer E2781.1/2 5975092 UNF machine tap with straight flute, DIN 374 standard, 4 flutes, 1/2" diameter, 12 threads per inch. Made from powder metallurgy cobalt HSS (HSS-E-PM) for high performance in non-ferrous metals and steel/cast steel. 170mm overall length, 32mm shank diameter, 36mm pre-drill hole diameter. Coolant-through capable.

Basic Standard

DIN 374

Clamping Length - millimeter (LSC)

27

Clamping width - fractional inch (WSC)

24

Clamping width - inch

0.9449

Coating

Bright

Connection diameter - inch (DCON MS)

1.2598

Connection diameter - millimeter (DCON MS)

32

Coolant supply property (CSP)

38.1

EDP number

89576

Flute count (NOF)

4

Flute Geometry (FDC)

Straight Flute Geometry

Hand (Cutting direction)

Right

Material

HSS-E-PM

Material application

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

MID number

5975092

Ordering code ANSI

E2781.1/2

Overall length - inch (OAL)

6.6929

Overall length - millimeter (OAL)

170

Premachined hole diameter - inch (PHD)

1.4173

Premachined hole diameter - millimeter (PHD)

36

Shank

Cylindrical shank with Square

Tap chamfer style (TCS)

C 2 - 3

Thread diameter - inch (TD)

1.5

Thread diameter - millimeter (TD)

38.1

Thread diameter size (TDZ)

1.1/2

Thread form (THFT)

UNF - Unified Fine

Threading length - inch (THL)

1.1811

Threading length - millimeter (THL)

30

Threads per inch (TPI)

12

Usable length (ULDR)

1.5