FREE delivery on orders over €150
Product Specifications:
| Item | Step Drill Bit |
| Bit Length | 2 3/4" |
| Decimal Equivalent | 0.25, 0.3125, 0.375, 0.4375, 0.5, 0.5625, 0.625, 0.6875, 0.75 |
| Design | Ensures True Starts Without Walking Even On Curved Surfaces |
| Drill Bit Size Included | 1/4", 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4" |
| Finish | Bright |
| Finish-machining | Black Oxide |
| Impact Rated | No |
| Material | High Speed Steel |
| Material-machining | High Speed Steel |
| Max. Drilling Depth | 1/8" |
| Max. Hole Size | 3/4" |
| Measurement System | Fractional Inch |
| Min. Hole Size | 1/4" |
| No. Of Flutes | 1 |
| No. Of Hole Size | 9 |
| Number Of Hole Sizes | 9 |
| Overall Length | 2 1/2" |
| Primary Material Application | Aluminum, Brass, Copper, Laminate, Plastic, Steel, Wood |
| Series | UNIBIT Series |
| Shank Dia. | 3/8" |
| Shank Size | 3/8" |
| Shank Type | Hex |
| Shank Type-machining | Straight With Three Flats |
| Size | 1/4" to 3/4" |
| Size Included | 1/4", 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4" |
| Size Range | 626794 |
| Step Increments | 1/16" |
| Step Thickness | 1/16" |
Shipping Info:
| Ship weight (kg) | 0.07 |
| Ship height (cm) | 2.79 |
| Ship length (cm) | 6.35 |
| Ship width (cm) | 7.37 |
| HS code | 8207506000 |
| Country of Origin | US |
Product Details:
- Sub-Brand: IRWIN UNIBIT
Product Variants
| Product | Model | Finish | Decimal Equivalent | Max. Drilling Depth | Size | Bit Length | Shank Size | Step Increments | Step Thickness | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
![]() |
UNIBIT 1 | Bright | 0.125, 0.1563, 0.1875, 0.2188, 0.25, 0.2813, 0.3125, 0.3438, 0.375, 0.4063, 0.4375, 0.4688, 0.5 | 1/8" | 1/8" to 1/2" | 3 1/8" | 1/4" | 1/32" | 1/32" | €45.77 | |
![]() |
UNIBIT 20 | Bright | 0.5625, 0.625, 0.6875, 0.75, 0.8125, 0.875, 0.9375, 1 | 1/8" | 9/16" to 1" | 3" | 7/16" | 1/16" | 1/8" | €94.06 | |
![]() |
UNIBIT 2 | Bright | 0.1875, 0.25, 0.3125, 0.375, 0.4375, 0.5 | 5/16" | 3/16" to 1/2" | 3 1/8" | 1/4" | 1/16" | 1/16" | €45.77 | |
![]() |
UNIBIT 10 | Bright | - | - | 1/2" | 1 3/4" | 1/4" | - | - | €45.25 | |
![]() |
UNIBIT 11 | Bright | 0.875 | - | 7/8" | 2.593" | 3/8" | 5/32" | - | €60.33 | |
![]() |
UNIBIT 13 | Bright | 1.25 | - | 1.125" | 2 7/8" | 7/16" | 5/32" | - | €117.72 | |
![]() |
10239 | Steam Oxide | 0.875, 1.125 | 1/8" | 7/8" to 1 1/8" | 3 1/8" | 7/16" | 1/4" | - | €154.04 |
Explore Products
- WIHA TOOLS 45452 WIHA 45452
- EATON P3BHFD3200G Circuit Breaker Plug-In Unit, 240/480/600 VAC, 200A, 3 Wires, Hfd Frame
- WINTERS INSTRUMENTS PFP648WBW Industrial Pressure Gauge, 0 To 600 PSI, Liquid-Filled, Reflective White, 4 Inch Dial
- WEG CWC012-01-30V24 12679910 Miniature Contactor, 12 A, 3 NO Main Contact, 1 NC Aux Contact, 180-208V 50Hz/208-240V 60Hz
- REES 04948-003 Mushroom Pluner Push-button, Green-black
- DAYTON 5TXL6 V-belt Cogged Bx31
- TIMBER TUFF TMW-56 Lumber Cutting Guide, Lumber Cutting Guide
- VULCAN HART 00-802116-00012 Dial, Thermostat, 2.7 x 4.2 x 1.95 Inch Size
Explore More
- KEYSHAFT
- Air Gun Accessories
- Gas Analyzers
- Air Curtain Cabinets
- Heat Pump Reversing Valves
- Electronic Motor Starters
- CONDOR PU Coated Cut Resistant Gloves, Cut Level A2, Gray/White
- MILLER BY HONEYWELL Double D-Ring Body Belts, With Pad
- ASCO VALVES 8256 Series Brass Solenoid Valve
- RUD CHAIN WPP-S Powerpoint Universal Connection Hoist Rings
- ANVIL 1122 Series Couplings, Right/Left, Galvanized
- CHRISLYNN Rock Solid Blanks, Imperial, Carbon
- SMC VALVES Rodless Series Cylinder
- CALBRITE Cord Grip Connectors With Mesh
- MERSEN FERRAZ Protistor Fuses, Size 300, aR, 2400VDC
- SPEAKMAN Neo VS-123010 Series Hand Showers With Combination Unit
Contact us
Contact your account manager right away to get personal advice.
We're available Monday through Friday, from 07:30 until 17:00.
IRWIN INDUSTRIAL TOOLS UNIBIT 3 Hss Step Drill Bit 1/4-3/4 Step 1/16
€82.47 /unit
