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IRWIN Step Drill Bit: 9/16" to 1", Black Oxide Cobalt - Cobalt Step Drill Bits
IRWINCobalt Step Drill Bits

IRWIN Step Drill Bit: 9/16" to 1", Black Oxide Cobalt

IRWIN Cobalt Step Drill Bits.

SKU 3G-OTH-213689

Also listed as: 10220 cb · 10220-cb

Brand
IRWIN
Item
Step Drill Bit: 9/16" to 1", Black Oxide Cobalt
Category
Cobalt Step Drill Bits
Available to Order
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Technical specs
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

IRWIN
Manufacturer Part Number
10220cb

Technical Documents

No technical documents available for this product.
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IRWIN Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

IRWIN Cobalt Step Drill Bits.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the IRWIN Step Drill Bit 10220cb used for?

The IRWIN Step Drill Bit 10220cb is used for drilling stepped holes in metal, plastic, and wood. Its black oxide cobalt construction provides heat resistance and durability for industrial applications like electrical panel work, automotive repair, and HVAC installation.

What are the specifications of the IRWIN Step Drill Bit 10220cb?

The IRWIN Step Drill Bit 10220cb has a size range of 9/16" to 1", features a black oxide cobalt finish, and a 3-flats shank for secure chuck grip. It is not impact rated. The manufacturer part number is 10220cb.

Where to buy the IRWIN Step Drill Bit 10220cb worldwide?

You can source the IRWIN Step Drill Bit 10220cb through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide locations, ensuring reliable supply for your operations.

How to select the right IRWIN step drill bit size?

To select the right IRWIN step drill bit, match the required hole diameter to the bit's step range. For the 10220cb, steps cover 9/16" to 1". Use a deburring step for clean edges. Always check material compatibility and ensure the shank fits your drill chuck.

Used in

Common applications for IRWIN
Wood framing and decking — IRWIN ship auger bits (e.g., SKU 4AAT6) for deep drilling in timber
Electrical and plumbing installations — IRWIN hybrid utility bits (e.g., SKU 5ELR0) for drilling through wood and thin metal
Automotive assembly and repair — IRWIN power socket adapters (e.g., SKU 55EW60) for driving sockets with impact tools
General construction fastening — IRWIN impact Torx bits (e.g., SKU 787P77) for driving screws in metal and wood
Cabinet making and furniture assembly — IRWIN power bits (e.g., SKU 55EW15) for Phillips head screws in particle board and hardwood
Maintenance and repair tasks — IRWIN insert bits (e.g., SKU 55EW26) for quick bit changes in cordless screwdrivers

IRWIN Products

3G Electric supplies IRWIN cobalt step drill bits. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Compatible alternatives & equivalents

Cross-referenced by specification & description
IRWIN Step Drill Bit Set: 3 Pc, 1/8" to 3/4", Black Oxide Cobalt, 135° Point (MPN 10502cb)
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IRWIN Step Drill Bit Set: 3 Pc, 1/8" to 3/4", Black Oxide Cobalt, 135° Point (MPN 10502cb)
IRWIN Step Drill Bit: 3/16" to 7/8", Black Oxide HSS, 3-Flats Shank (MPN 10234)
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IRWIN Step Drill Bit: 3/16" to 7/8", Black Oxide HSS, 3-Flats Shank (MPN 10234)
IRWIN Step Drill Bit: 7/8" to 1-1/8", Black Oxide HSS, 3-Flats Shank (MPN 10239)
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IRWIN Step Drill Bit: 7/8" to 1-1/8", Black Oxide HSS, 3-Flats Shank (MPN 10239)
IRWIN Step Drill Bit: 1/8" to 1/2", Black Oxide HSS, Hex Shank (MPN 10231)
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IRWIN Step Drill Bit: 1/8" to 1/2", Black Oxide HSS, Hex Shank (MPN 10231)
IRWIN Step Drill Bit: 13/16" to 1-3/8", Black Oxide HSS, 3-Flats Shank (MPN 10221)
IRWIN
IRWIN Step Drill Bit: 13/16" to 1-3/8", Black Oxide HSS, 3-Flats Shank (MPN 10221)
IRWIN Step Drill Bit: 9/16" to 1", Black Oxide HSS, 3-Flats Shank (MPN 10220)
IRWIN
IRWIN Step Drill Bit: 9/16" to 1", Black Oxide HSS, 3-Flats Shank (MPN 10220)

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IRWIN Step Drill Bit: 3/16" to 7/8", Black Oxide Cobalt, 3-Flats Shank (MPN 10234cb)
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