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DEWALT DWA1789IR Impact-Rated TiN-Coated HSS Step Drill Bit - Impact-Rated High-Speed Steel Step Drill Bits
DEWALTImpact-Rated High-Speed Steel Step Drill Bits

DEWALT DWA1789IR Impact-Rated TiN-Coated HSS Step Drill Bit

The DEWALT Step Drill Bit (MPN DWA1789IR) is a TiN-Coated HSS, Impact Rated, Quick-Change Hex Shank step drill bit covering 7/8" to 1-1/8". It is designed for impact-rated applications, combining a durable TiN-coated…

SKU 3G-OTH-201767

Brand
DEWALT
Item
DWA1789IR Impact-Rated TiN-Coated HSS Step Drill Bit
Part Number
DWA1789IR
Category
Impact-Rated High-Speed Steel Step Drill Bits
Available to Order
Also known as:DWA1789IRDEWALT
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Technical Specifications

DEWALT
Manufacturer Part Number
DWA1789IR
Type
TiN-Coated HSS, Impact Rated, Quick-Change Hex Shank

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

Product Description

The DEWALT Step Drill Bit (MPN DWA1789IR) is a TiN-Coated HSS, Impact Rated, Quick-Change Hex Shank step drill bit covering 7/8" to 1-1/8". It is designed for impact-rated applications, combining a durable TiN-coated high-speed steel construction with a quick-change hex shank for efficient bit changes.

Frequently Asked Questions

What is the DEWALT DWA1789IR step drill bit used for?

The DEWALT DWA1789IR step drill bit is used for drilling stepped holes in metal, plastic, and wood. Its TiN-coated HSS construction and impact-rated design make it suitable for use with impact drivers, enabling faster drilling in industrial maintenance, fabrication, and electrical applications.

What are the specifications of the DEWALT DWA1789IR step drill bit?

The DEWALT DWA1789IR step drill bit has a range of 7/8" to 1-1/8", features a TiN-coated HSS body, an impact-rated design, and a quick-change hex shank. The manufacturer part number is DWA1789IR. It is engineered for use with impact drivers for efficient stepped-hole drilling.

Where to buy the DEWALT DWA1789IR step drill bit worldwide?

3G Electric supplies the DEWALT DWA1789IR step drill bit worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us to order this impact-rated step drill bit for your maintenance or fabrication needs.

How to select the right DEWALT step drill bit for impact drivers?

To select the right DEWALT step drill bit for impact drivers, verify the bit's impact rating and shank type. The DWA1789IR features a quick-change hex shank and TiN coating for durability. Match the step range (7/8" to 1-1/8") to your hole size requirements. Always follow manufacturer guidelines for material compatibility.

Used in

Common applications for DEWALT
Commercial construction — DEWALT 48-inch box level for leveling and plumbing long-span formwork and framing.
Residential framing — DEWALT 24-inch box level for general layout and alignment of wall studs and openings.
Concrete formwork — DEWALT marking chalk for semi-permanent layout lines on formwork and ground surfaces.
Jobsite communication — DEWALT DXFRS800 two-way radios for short-range voice coordination among crews.
Warehouse operations — DEWALT DXFRS300 two-way radios for team communication during inventory and logistics tasks.
Outdoor recreation — DEWALT FRS/GMRS radios for unlicensed short-range communication during group activities.
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DEWALT Products

3G Electric supplies DEWALT impact-rated 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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