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KMT-4175424

KMT-4175424 by Kennametal

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Part Number: 4175424
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Product Overview

SC STEP Drill 7.938mm/.3125/ SHORT COOLA

Specifications

Details

Category:

Holemaking

Subcategory:

Drilling

Subtype:

Step Drill Bits

Coating:

TiAlN

Grade:

KCPK15

Number of Flutes:

2

Primary Workpiece Material:

Steel,Cast Iron

Adapter Style Machine Side:

Straight-Cylindrical

Adapter Style Machine Side-Marcom Calc:

Straight Shank

Adapter Type Machine Side:

Cylindrical

Body Material Group:

Carbide

Coolant Supply:

Yes

Cutting Tool Material:

Carbide

Drill Flute Design - Marcom Calc:

Helical Flute

Drill Tol Range Calc IN - Marcom:

0.000200 to 0.000800

Drill Tol Range Calc MM - Marcom:

0.006000 to 0.021000

Drill Tool Style - Marcom Calc:

Solid Step Drill

Engineering Tool Family:

B731HP

Hand of Tool:

R - Right

Helix Hand:

R - Right Hand Helix/Flute

ISO Catalog Number:

B731A07938HP

MAR_PLATFORM_KMT:

HP Step Drill

[CUBMS]Unit of Tool:

MM - Metric

[CUBWS]Units of Tool (Extract):

IN - Inch

[D1] Drill Diameter Min Frac:

5/16

[D1] Drill Diameter Min Inch:

0.3125

[D1] Drill Diameter Min Metric:

7.9380

[D22]Cut Diameter 2 Inch:

0.4724

[D22]Cut Diameter 2 Metric:

12.0000

[D]Adapter/Shank/Bore Dia Inch:

0.4724

[D]Adapter/Shank/Bore Dia mm:

12.0000

[FHA]Flute Helix Angle:

26.058

[L1] Gage Length Inch:

3.4455

[L1] Gage Length Metric:

87.5150

[L3] Flute Length Inch:

1.5079

[L3] Flute Length Metric:

38.3000

[L4] Max. Drill Depth Inch:

0.8189

[L4] Max. Drill Depth Metric:

20.8000

[L5] Drill Point Length Inch:

0.0585

[L5] Drill Point Length Metric:

1.4850

[L9MS]Clamping LG Mach Side In:

1.7717

[L9MS]Clamping LG Mach Side mm:

45.0000

[L9]Clamping Length Inch:

1.7717

[L9]Clamping Length Metric:

45.000

[LF]Functional Length Inch:

3.4455

[LF]Functional Length Metric:

87.5150

[LPR]Protruding Length Inch:

3.5039

[LPR]Protruding Length Metric:

89.0000

[LS] Shank Length Inch:

1.7717

[LS] Shank Length Metric:

45.0000

[LTA]Tool Assembly Length Inch:

1.6737

[LTA]Tool Assembly Length mm:

42.5150

[L] Overall Length Inch:

3.5039

[L] Overall Length Metric:

89.0000

[SDL1]Len Cut Dia 1 Inch:

0.7584

[SDL1]Len Cut Dia 1 Metric:

19.2620

Manufactured By:

Kennametal