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IRWIN Spade Drill Bit: 1 1/4 in Drill Bit Size, 1/4 in Shank Dia, 4 3/4 in Overall Lg - Quick-Change Hex-Shank Flat Spade Drill Bits
IRWINQuick-Change Hex-Shank Flat Spade Drill Bits

IRWIN Spade Drill Bit: 1 1/4 in Drill Bit Size, 1/4 in Shank Dia, 4 3/4 in Overall Lg

The IRWIN Spade Drill Bit (MPN 87920) is a 1 1/4 in drill bit size, quick-change hex-shank flat spade drill bit. It features a 1/4 in shank diameter, 4 3/4 in overall length, and is made of carbon steel with a bright…

SKU 3G-OTH-251637

Brand
IRWIN
Item
Spade Drill Bit: 1 1/4 in Drill Bit Size, 1/4 in Shank Dia, 4 3/4 in Overall Lg
Category
Quick-Change Hex-Shank Flat Spade Drill Bits
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Technical Specifications

IRWIN
Manufacturer Part Number
87920
Type
Carbon Steel
Overall Lg
4 3/4 in
Shank Dia
1/4 in
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IRWIN Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The IRWIN Spade Drill Bit (MPN 87920) is a 1 1/4 in drill bit size, quick-change hex-shank flat spade drill bit. It features a 1/4 in shank diameter, 4 3/4 in overall length, and is made of carbon steel with a bright (uncoated) finish.

Frequently Asked Questions

What is the IRWIN Spade Drill Bit 87920 used for?

The IRWIN Spade Drill Bit 87920 is used for fast, rough drilling of large-diameter holes in wood, plywood, and composite materials. Its 1 1/4 in size and quick-change hex shank make it ideal for framing, electrical, and plumbing rough-in work where speed and portability are needed.

What are the specifications of the IRWIN Spade Drill Bit 87920?

The IRWIN Spade Drill Bit 87920 has a 1 1/4 in drill bit size, a 1/4 in shank diameter, and a 4 3/4 in overall length. It is made of carbon steel with a bright (uncoated) finish. The quick-change hex shank allows fast bit swaps in impact drivers and power drills.

Where to buy the IRWIN Spade Drill Bit 87920 worldwide?

You can source the IRWIN Spade Drill Bit 87920 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time; we supply genuine IRWIN tools to procurement teams globally.

How to select the right IRWIN spade drill bit size?

Select the IRWIN spade drill bit size based on the hole diameter needed for your application. For example, the 1 1/4 in bit (MPN 87920) suits large conduit or pipe pass-throughs. Match the shank diameter (1/4 in) to your drill chuck or quick-change adapter. Carbon steel bits work for wood; use slower speeds for cleaner cuts.

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 quick-change hex-shank flat spade 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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IRWIN Spade Drill Bit: 1/2 in Drill Bit Size, 1/4 in Shank Dia, 6 in Overall Lg, Bright (Uncoated) (MPN 88808). Key specifications — attr277223: IRWIN; attr255674: Bright (Uncoated); attr255683: Carbon Steel.
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IRWIN Spade Drill Bit: 1 1/4 in Drill Bit Size, 1/4 in Shank Dia, 6 in Overall Lg, Bright (Uncoated) (MPN 88820). Key specifications — attr277223: IRWIN; attr255674: Bright (Uncoated); attr255683: Carbon Steel.
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IRWIN Spade Drill Bit: 3/4 in Drill Bit Size, 1/4 in Shank Dia, 6 in Overall Lg, Bright (Uncoated) (MPN 88812). Key specifications — attr277223: IRWIN; attr255674: Bright (Uncoated); attr255683: Carbon Steel.