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https://www.youtube.com/watch?v=b5tPK4wtKX8

#23, 145 Degree Point, Solid Carbide Drill - 51764

SERIES: 135

Hi-PerCarb 135

#23, 145 Degree Point, 1/4" Shank Dia, 2-5/8" OAL, 2 Flute, 3xD, Ti-NAMITE-A (AlTiN) Coated, Series 135, Hi-PerCarb 135, Solid Carbide Drill - 51764

Feature & Benefits

  • 4-margin design improves accuracy and surface finish along with increased strength for aggressive drilling
  • Specialized self-centering notched point eliminates the need for spot drilling decreasing thrust and deflection
  • Engineered edge protection improves edge strength and reduces edge fatigue allowing for increased feed rates
  • Recommended for materials ≤ 50 HRc (≤ 475 Bhn)

SKU / EDP51764
CategorySolid Round Tools > Holemaking > High Performance Drills
Min Order Qty1
Series135
Series DescriptionHi-PerCarb 135
High PerformanceYes
Unit (inch/mm)inch
Number of Flutes2
Primary Workpiece Material(P) Steel|(M) Stainless Steel|(H) Hardened Materials
Secondary Workpiece Material(K) Cast Iron|(N) Non-Ferrous Materials|(S) High Temp Alloy
Reach (xD)3xD
Size#23
Cutting Diameter (DC) (Decimal Inch)0.1540
Cutting Diameter (DC) (mm)3.91
Cutting Diameter (DC) (Wire)#23
Shank Diameter (DCON) (Decimal Inch)0.2500
Shank Diameter (DCON) (Fractional Inch)1/4
Shank Diameter (DCON) (mm)6.35
Usable Length (LU) (Decimal Inch)0.7188
Usable Length (LU) (Fractional Inch)23/32
Usable Length (LU) (mm)18.26
Flute Length (LCF) (Decimal Inch)0.8750
Flute Length (LCF) (Fractional Inch)7/8
Flute Length (LCF) (mm)22.23
Overall Length (OAL) (Decimal Inch)2.6250
Overall Length (OAL) (Fractional Inch)2-5/8
Overall Length (OAL) (mm)66.68
Shank Length (LS) (Decimal Inch)1.4375
Shank Length (LS) (Fractional Inch)1-7/16
Shank Length (LS) (mm)36.51
Point Angle (Degree)145
Cutting Diameter (DC) Tolerance (Decimal Inch)+.00016 / +.00063
Cutting Diameter (DC) Tolerance (mm)+.0041 / +.0160
Shank Diameter (DCON) Tolerance (ISO)h6
Shank TypeStraight
Weldon FlatNo
Coolant OptionExternal Coolant
Coating DescriptionAlTiN (Ti-NAMITE-A)
Additional GeometryRight Hand Cut Direction (RHC)
Helix AngleRight Spiral
Helix Angle (Degree)32
Variable HelixNo
Center CuttingNo
Chip BreakerNo
Number of Margins4
Self CenteringYes

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