Dormer E6531 5978386 NPT spiral flute machine tap with 1-inch NPT thread diameter and 27° spiral flute angle. High Speed Steel (HSS) construction for steel and cast steel applications. ANSI standard, 27 flutes, 1-3/4 inch overall length, 1.125 inch clamping width, 5-3/8 inch connection diameter. Suitable for P - Steel and cast steel material group.

Basic Standard

ANSI

Clamping width - fractional inch (WSC)

1.125

Clamping width - inch

0.843

Coating

Bright

Coating property (CTP)

2

Connection diameter - inch (DCON MS)

1.125

Connection diameter - millimeter (DCON MS)

28.58

EDP number

297247

Flute count (NOF)

27

Flute Geometry (FDC)

Spiral Flute Geometry

Flute helix angle (FHA)

27

Hand (Cutting direction)

Right

Material

HSS

Material application

P - Steel and cast steel

MID number

5978386

Ordering code ANSI

E6531

Overall length - fractional inch (OAL)

5.3/8

Overall length - inch (OAL)

5.375

Overall length - millimeter (OAL)

136.5

Shank

Cylindrical shank with Square

Thread diameter - millimeter (TD)

1.1417

Thread diameter size (TDZ)

1"

Thread form (THFT)

NPT - National taper pipe

Threads per inch (TPI)

11.5

Usable length (ULDR)

1.5

Usable Length - fractional inch (LU)

1.3/4