Bordo Long Series HSS Black Drill Bit (2500) - Imperial

Description

Bordo Long Series HSS Black Drill Bit (2500) - Imperial

ANSI B94-11.
118° chisel point with 30° helix.
Chisel point is suitable for general purpose drilling.
Black Finish Twist Drills (also called blue finish) achieve their distinctive colour by steam tempering, a thermal process resulting in a porous tool coating.
This surface helps to keep lubricant on the tool, particularly important on the cutting edges, thus reducing friction and cold welding. The result is increased tool life.
Black finish tools are generally recommended for ferrous applications where the oxide layer aids chip flow and heat dissipation.

Specifications

AIMS SKU A0199786

Brand Bordo

Model Number 2500-5/64

Barcode Number 9326518052920

Diameter (inch) 5/64

Flute Length (mm) 51

Flute Type 30° Helix

Spindle Speed Med. Carbon Steel RPM 4826

Spindle Speed Tool Steel RPM 2895

Surface Finish Black

Feed per Revolution (mm) 0.05

Spindle Speed Wood/Plastic RPM 14638

Spindle Speed Malleable Iron RPM 4343

Spindle Speed Stainless Steel RPM 1930

Overall Length (OAL) mm 95.5

Type of Point 118° Std Chisel

Spindle Speed Aluminium/Brass RPM 9812

Spindle Speed Cast Iron RPM 3861

Diameter in (mm) 1.98

Spindle Speed Free Cutting Stl RPM 6917

Type Long Drill Bit
Material HSS

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