Step Bit
Core Drill Bit
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- Drill Bits: Core Drill Bit Step Bit
Part #:500296
- Step Drill Bit #1 Single-Fluted
Single-fluted design eliminates skidding and makes for easier resharpening.
Laser-etched hole size are easy-to-read and permanent.
Anti-skid tip eliminates the need for center punching or pilot hole drilling for most sizes.
Drill multiple-size holes in thin sections of metal, plastic and wood using a single bit.
Works in most metals (steel, brass, aluminum, copper) as well as plastic and wood.
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Part #:500887
- Step Drill Bit #11 Single-Fluted
Single-fluted design eliminates skidding and makes for easier resharpening.
Laser-etched hole size are easy-to-read and permanent.
Anti-skid tip eliminates the need for center punching or pilot hole drilling for most sizes.
Drill multiple-size holes in thin sections of metal, plastic and wood using a single bit.
Works in most metals (steel, brass, aluminum, copper) as well as plastic and wood.
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Part #:510675
- Step Drill Bit Double Fluted #3, 1/4 to 3/4-Inch
&bull This product is no longer in production.&bull Single-fluted design eliminates skidding and makes for easier resharpening.&bull Laser-etched hole size are easy-to-read and permanent.&bull Anti-skid tip eliminates the need for center punching or pilot hole drilling for most sizes.&bull Drill multiple-size holes in thin sections of metal, plastic and wood using a single bit.&bull Works in most metals (steel, brass, aluminum, copper) as well as plastic and wood.
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Part #:134-15104
- Titanium Nitride Coated Fractional Self-Starting Features
Ideal for drilling holes into thin materials such as stainless steel, copper, brass, aluminum, plastic and laminates
Single-flute cutting edge for greater control through steps
3 flatted shank prevents slipping in drill chuck
New SpeedPoint tip penetrates faster than previous Unibits and prevents walking
12 Steps
3/8" Hex Shank Size
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Part #:134-10502ZR
- IRWIN Step Drill Bit Set, 3-Piece
Made with stainless steel and high impact polymer components
IRWIN Tools 10502ZR Unibit Sheet Metal Step Drill Bit Set is a selection of the most popular Unibit step drill bits in the low diameter range (below 7/8"). Ideal for drilling true round holes with precise control in a variety of materials like sheet metal, metal plates, aluminum, fiberglass, plastics, plexiglass, and wood. The specially designed cutting edge drills true, round holes for a smooth, clean finish, and the SpeedPoint tip penetrates fast, prevents "walking," and eliminates the need for a pilot/starting hole. The hex shank provdes a secure grip in the drill chuck. Plus, the permanent laser-etched sizes inside the flute are easy to read for precise control during the hole enlarging process. Contains Unibit #1 with 13 hole sizes (1/8" to 1/2" by 32nds), Unibit #2 with 6 hole sizes (3/16" to 1/2" by 16ths for deeper steps), and Unibit #3 with 9 hole sizes (1/4" to 3/4" by 16ths). Product made in USA.
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Part #:134-15102ZR
- Country of Origin UNITED STATES. HAZMAT Item NO. Special Order Item NO. State Restricted NO:
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Part #:134-15103ZR
- Titanium Nitride Coated Fractional Self-Starting Features
Ideal for drilling holes into thin materials such as stainless steel, copper, brass, aluminum, plastic and laminates
Single-flute cutting edge for greater control through steps
3 flatted shank prevents slipping in drill chuck
New SpeedPoint tip penetrates faster than previous Unibits and prevents walking
9 Steps
3/8" Hex Shank Size
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Part #:729-48-03-3540
- Spline Thin Wall Core Bit 12" Adapter Shank
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Part #:729-48-03-3564
- Spline Thick Wall Core Bit 12" Adapter Shank
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Part #:729-48-89-9224
- Business Unit Accessories. Product Level 1 Accessories Drilling & Driving. Product Level 2 Accessories Steel Drilling. Product Level 3 ACCY Step Drill Bits. Product Level 4 ACCY Jamfree. Product Level 5 ACCY Blank. AX Item Number 48899224. Country of Origin USA. Harmonized Tariff 8207504060.:
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