HSS Metal Drill Bit Series
A MADE OF
High speed steel
High speed steel (Titanium Nitride Coating) Lasts 2.5x Longer than HSS
High speed steel (Cobalt content 5%) For higher heat and abrasion resistance. Suitable for drilling tough metal.
B PROCESS OF MANUFACTURING
Ground - HSS-G / HSS Co / TiN Drill bits ground from the block with excellent surface quality. Flute and edge of drill bit are grounded. High quality, easy chip removal, long service life.
Roll Forged - HSS-R Made by die-casted rolling machine. Economically priced.
C TIP GEOMETRY Chisel Edge (HSS-R)
Split Point (HSS-G / HSS-Co / TiN)
M-Shape (Multi Faceted)
Shape designed to focus on speed and smooth drilling. Non-resharpening.
135º split point geometry on contact will start fast with no walking.
D SURFACE
Black Finish (HSS-R)
Bright Finish (HSS-G)
Titanium Nitride Coating (TiN)
Amber Finish (HSS-Co)
Black Oxide to resist corrosion
Lasts 2.5x longer than non-coated types
Rust resistant
E SHANK 1/4” Hex
Straight (Cylindrical)
Straight (Three flat)
I
Can be used with 1/4” bit holder. Allows easier bit change.
Standard Drill Bit shaft
Better grip than cylindrical shank (M-Force only)
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