IRWIN UNIBIT Email
Unibit Drill Bit-#5 1/2 Shank Multiple Hole Bit 1/4 - 1-3/8
Item #459U-5
MFR #10235
UNSPSC # 20111614
Shipping Weight0.485000 lbs
CA$174.71 / EA
CA$0.00
The IRWIN® UNIBIT® HSS Fractional Self-Starting Step Drill #5, 1/4" - 1-3/8", is ideal for drilling clean, smooth holes in mild steel, copper, bass, aluminum, plexiglass, wood, and laminate. Crafted of high-speed steel, it has a SpeedPoint® tip that guarantees fast starts* and a single-flute cutting edge for drilling true, round holes with a precise step control for multiple sizes. Hole sizes are permanently laser-etched on the inside of the flute and will not wear away for easy identification throughout the life of the bit. The bit features a quick change hex shank that secures easily in the drill chuck.
Size Range 1/4'' - 1-3/8''
Item Step Drill Bit
Overall Length 3-1/8''
Shank Size 7/16''
Decimal Equivalent 0.25 in, 0.375 in, 0.5 in, 0.625 in, 0.75 in, 0.875 in, 1 in, 1.125 in, 1.25 in, 1.375 in
Shank Type - Machining Hex
Cutting Direction Right
Finish - Machining Titanium Nitride
Drill Bit Finish Steam Oxide
Drill Bit Grouping Drill Bit
Overall Length 3 1/16 in
Drill Bit Material High Speed Steel
Drill Bit Sizes Included 1/4'', 3/8'', 1/2'', 5/8'', 3/4'', 7/8'', 1'', 1-1/8'', 1-1/4'', 1-3/8''
Number of Flutes 1
Number of Hole Sizes 10
Drill Bit Sizes Included 1 1/4 in, 1 1/8 in, 1 3/8 in, 1 in, 1/2 in, 1/4 in, 3/4 in, 3/8 in, 5/8 in, 7/8 in
Shank Shape Hex
Step Thickness 1/8''
Number Hole Sizes 10
Step Increments 1/8 in
Item Step Drill Bit
Series Unibita
Minimum Hole Size 1/4 in
Maximum Hole Size 1 3/8 in
Measurement System Fractional
Material - Machining High Speed Steel
Primary Material Application Aluminum, Brass, Copper, Laminate, Plastic, Steel
Sub Brand Unibita
Drill Bit Grouping Individual
Number of Flutes 1
Dangerous Goods No
Unspsc 20111614