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3/8" Dia, 137 Degree Point, Solid Carbide Drill - 56421

SERIES: 142P

Hi-PerCarb 142P

3/8" Dia, 137 Degree Point, 0.3937" Shank Dia, 3.5039" OAL, 2 Flute, 3xD, Coolant-Through, Ti-NAMITE-X (TX) Coated, Series 142P, Hi-PerCarb 142P, Solid Carbide Drill - 56421

Feature & Benefits

  • High-performance point design stabilizes on entry for exceptional hole size and cylindricity while also allowing for low thrust force and extended tool life
  • Internal coolant hole improves coolant flow to extend tool life and aid in chip evacuation
  • 4-margin design improves hole straightness and roundness while providing improved stability for difficult applications like cross holes and when exiting on angle
  • Proprietary Ti-NAMITE®-X coating and industry leading carbide substrate provides exceptional wear resistance and toughness for demanding applications
  • Recommended for materials ≤ 50HRc (475 Bhn)

SKU / EDP56421
CategorySolid Round Tools > Holemaking > High Performance Drills
Min Order Qty1
Series142P
Series DescriptionHi-PerCarb 142P
High PerformanceYes
Unit (inch/mm)inch
Number of Flutes2
Primary Workpiece Material(P) Steel|(N) Non-Ferrous Materials|(H) Hardened Materials
Secondary Workpiece Material(M) Stainless Steel|(K) Cast Iron|(S) High Temp Alloy
Reach (xD)3xD
Size3/8"
Cutting Diameter (DC) (Decimal Inch)0.3750
Cutting Diameter (DC) (Fractional Inch)3/8
Cutting Diameter (DC) (mm)9.53
Shank Diameter (DCON) (Decimal Inch)0.3937
Shank Diameter (DCON) (mm)10.00
Usable Length (LU) (Decimal Inch)1.3780
Usable Length (LU) (mm)35.00
Flute Length (LCF) (Decimal Inch)1.8504
Flute Length (LCF) (mm)47.00
Overall Length (OAL) (Decimal Inch)3.5039
Overall Length (OAL) (mm)89.00
Shank Length (LS) (Decimal Inch)1.5748
Shank Length (LS) (mm)40.00
Point Angle (Degree)137
Point Length (PL) (Decimal Inch)0.0777
Point Length (PL) (mm)1.97
Cutting Diameter (DC) Tolerance (Decimal Inch)+.00024 / +.00083
Cutting Diameter (DC) Tolerance (mm)+.0061 / +.0211
Shank Diameter (DCON) Tolerance (ISO)h6
Shank TypeStraight
Weldon FlatNo
Coolant OptionInternal Coolant
Coating DescriptionTX (Ti-NAMITE-X)
Additional GeometryRight Hand Cut Direction (RHC)
Helix AngleRight Spiral
Helix Angle (Degree)30
Variable HelixNo
Center CuttingNo
Chip BreakerNo
DIN StandardDIN 6537
Number of Margins4
Self CenteringYes

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