98
135˚
118˚ 118˚
Shank Length
Shank
Diameter
Drill Bit
Diameter
Working Length
Point Angle
Total Length
Total Length: The length from the point to the end of the drill bit
Point Angle: The angle of the cutting edges
Drill Diameter: The cutting diameter of the drill bit
Shank Length: The end of the drill bit that is secured by the drill
Working Length: The length from the point to the end of the flutes
ENGINEERED FOR CONTROLLED PRECISION AND SPEED
The IRWIN
®
line of metal drill bits offers of solution for every professional application. Each metal drill bit is made of high speed steel with high precision-cut point and spiral,
ensuring durability and quality.
118˚ STANDARD POINT
• For drilling in alloyed and non-alloyed steels,
non-ferrous metals, cast iron and hard
plastics
• Can be easily resharpened
• Requires higher feed pressure
• Best for stationary drills
HSS TURBOMAX
HSS COBALT
HSS TITANIUM
HSS PRO
STEP DRILLS
TCT
118˚ SPLIT POINT
• For drilling in alloyed and non-alloyed steels,
non-ferrous metals, cast iron and hard
plastics
• Very good centering
• Requires less effort / feed pressure
135˚ SPLIT POINT
• For drilling in high strength steel and
high-alloy steels
• Very good centering
• Requires less effort / feed pressure
TURBOMAX
®
JET POINT
• Specially designed for portable drills
• Excellent centering, will not walk on any
surface
• Precision-ground to stay sharp longer and
drill faster
HSS DRILL BITS SPECIALITY DRILL BITS
TIP GEOMETRY
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