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IRWIN Step Drill Bit: 4 mm to 22 mm, Black Oxide HSS - High-Speed Steel Step Drill Bits
IRWINHigh-Speed Steel Step Drill Bits

IRWIN Step Drill Bit: 4 mm to 22 mm, Black Oxide HSS

IRWIN High-Speed Steel Step Drill Bits.

SKU 3G-OTH-208880

Brand
IRWIN
Item
Step Drill Bit: 4 mm to 22 mm, Black Oxide HSS
Category
High-Speed Steel Step Drill Bits
Available to Order
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Local availability & support

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

IRWIN
Manufacturer Part Number
11104

Technical Documents

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IRWIN Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

IRWIN High-Speed Steel Step Drill Bits.

Frequently Asked Questions

What is the IRWIN Step Drill Bit 4 mm to 22 mm used for?

The IRWIN Step Drill Bit is used for drilling stepped holes in sheet metal, plastic, and wood. Its 4 mm to 22 mm range allows single-bit sizing for multiple diameters, ideal for electrical panels, automotive repairs, and HVAC installations.

What are the specifications of the IRWIN Step Drill Bit 11104?

The IRWIN Step Drill Bit 11104 has a 4 mm to 22 mm diameter range, black oxide HSS construction, and a hex shank for secure chuck grip. It is not impact rated. The manufacturer part number is 11104.

Where to buy the IRWIN Step Drill Bit 11104 worldwide?

You can source the IRWIN Step Drill Bit 11104 worldwide through 3G Electric. We handle full logistics, customs clearance, and delivery to global destinations as an industrial equipment distributor.

How to select the right IRWIN step drill bit size?

Select the IRWIN step drill bit based on the largest hole diameter needed. The 4 mm to 22 mm bit covers common sizes. For thicker materials, use a slower speed and lubricant. Always match the shank type to 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 high-speed steel 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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