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Dormer J2458.0-20 6821346 UNF thread mill, 7/16" cutting diameter, 4-flute solid carbide with 10° spiral flute and oil feed. 8mm shank, 63mm overall length, 19mm max depth of cut. For hardened materials, cast iron, stainless steel, non-ferrous metals, steel, and high-temperature alloys.
MODEL 6821346
$241.63 Each
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Returnable: Yes
California Prop 65 warningBasic Standard
DORMER
Coating
Alcrona Pro
Coating property (CTP)
1
Connection diameter - inch (DCON MS)
0.315
Connection diameter - millimeter (DCON MS)
8
Coolant exit style (CXSC)
axial concentric exit
Coolant supply property (CSP)
1
Cutting diameter - inch (DC)
0.315
Cutting diameter - millimeter (DC)
8
Depth of cut maximum - inch (APMX)
0.748
Depth of cut maximum - millimeter (APMX)
19
EDP number
46821346
Flute count (NOF)
4
Flute Geometry (FDC)
Spiral Flute Geometry
Flute helix angle (FHA)
10
Hand (Cutting direction)
Right
Material
HM
MID number
6821346
Ordering code ANSI
J2458.0-20
Overall length - inch (OAL)
2.4803
Overall length - millimeter (OAL)
63
Shank
Cylindrical shank DIN 6535 HB
Thread diameter size (TDZ)
7/16, 1/2
Thread form (THFT)
UNF - Unified Fine
Threads per inch (TPI)
20
Usable length (ULDR)
2
Thread milling cutter, for Unified National Fine thread ≥ UNF 7/16" with 20 TPI, dimensions according to DORMER standard with 4 flutes, 8mm cutting diameter and 8mm Weldon shank according to DIN 6535 HB, solid carbide with Alcrona Pro coating, through coolant holes and 10° helix angle for milling a maximum of 19mm long right or left hand internal thread in steel and cast steel, stainless steel, cast-iron, non-ferrous metals, titanium or titanium alloys, chilled cast-iron.
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