Description

Drill Bit Grouping=Drill Bit
Item=Taper Length Drill Bit
Drill Bit Dimension Type=Metric
Drill Bit Size=7.90 mm
Decimal Equivalent=0.311
Drill Bit Point Angle=140 Degrees
Drill Bit Material=Solid Carbide
Drill Bit Finish=TiAlN
Flute Type=Spiral
Grade=General Purpose
Depth x Dia. Ratio=8xD
Depth:Dia. Ratio=8xD
Overall Length=116.00 mm
Point Type=R Thinning
Flute Length=76.00 mm
Application=For Drilling Cast Iron, Carbon Steel, Alloy Steel, Die Steel and Hardened Steel Under 35 HrC
Coolant Through=No
List Number=HP258
Shank Dia.=8.00 mm
Standards=Not Rated
Cutting Direction=Right Hand
Number of Flutes=2
Coolant Fed=Coolant Through
Drill Length Class=Taper Length
Finish – Machining=TiAlN
Shank Length=40.00 mm
Primary Material Application=Cast Iron, Hardened Steel, Steel, Tool and Die Steel
Series=HP258
Material – Machining=Carbide
Primary Material Application ISO Code=H1, K, P
Measurement System=Metric
Secondary Material Application ISO Code=H3, M, N, S2, S3
Drill Bit Point Type=R Thinning Point
Secondary Material Application=Aluminum, Hardened Steel, Inconel, Stainless Steel, Titanium
Number of Coolant Holes=2
Maximum Drilling Depth=76.00 mm
Drill Diameter Tolerance=+0.006mm/+0.021mm
Sheeter Drill=No
Material Grade – Machining=General Purpose
Shank Type – Machining=Straight
Helix Angle=30 Degrees