SKU: 41723942819

Irwin 3-Inch Bi-Metal Self-Feed Wood Drill Bit Quick Change Hex Shank Tool For Fast Clean Pipe Conduit Hole Boring Accessories 1787502

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Description

Irwin 3-Inch Bi-Metal Self-Feed Wood Drill Bit Quick Change Hex Shank Tool For Fast Clean Pipe Conduit Hole Boring Accessories 1787502Power Through Wood Quickly With The Ultimate Self Feed Drill Bit Experience unmatched precision and speed with the Irwin 3 Inch Bi Metal Self Feed Drill Bit. Designed specifically for professional tradesmen and serious DIYers, this robust bit excels at drilling large diameter holes through tough wood materials. Whether you are running plumbing pipes, electrical conduit, or HVAC lines, this aggressive self feeding bit pulls itself through the material

Power Through Wood Quickly With The Ultimate Self-Feed Drill Bit

Experience unmatched precision and speed with the Irwin 3-Inch Bi-Metal Self-Feed Drill Bit. Designed specifically for professional tradesmen and serious DIYers, this robust bit excels at drilling large diameter holes through tough wood materials. Whether you are running plumbing pipes, electrical conduit, or HVAC lines, this aggressive self-feeding bit pulls itself through the material effortlessly, significantly reducing user fatigue and ensuring rapid job completion. The universal 7/16-inch hex quick-change impact shank provides a secure, slip-free grip in any 1/2-inch or larger electric drill, making it a highly versatile and dependable addition to your tool arsenal.

Constructed from premium bi-metal materials, the Irwin 1787502 is engineered for extreme durability and long-lasting performance on the most demanding job sites. Its unique design not only guarantees fast and easy drilling but also ensures clean hole edges and incredibly simple bit removal even after deep boring. The extended length profile allows for deeper cuts without compromising stability, meaning you can tackle thick joists and heavy timber with absolute confidence. Maximize your productivity and drill smoother, cleaner holes every time with this professional-grade wood drilling accessory.

Key Features

  • Extreme durability engineered for long-lasting job site performance
  • Optimized design for clean holes and incredibly easy bit removal
  • Fast, easy drilling that aggressively powers through heavy wood materials
  • Extended length profile perfect for achieving deeper wood cuts
  • Universal 7/16-inch hex quick-change impact shank fits 1/2-inch and larger drills

What's Included

  • (1) Irwin 3-Inch Bi-Metal Self-Feed Drill Bit
  • (1) Additional Screw Tip
  • (1) Wrench

Specifications

Brand Name Irwin
MFG Part # (OEM) 1787502
Diameter 3 in
Length 6 in
Assembled Weight 5.0 lbs
Package Contents Bi-Metal Self Feed Bit 3 In. 1 pk.
Package Depth 3.2 in
Package Height 7.3 in
Package Weight 6 lbs
Product Condition New
UPC 885363005905
Warranty Type Lifetime against Manufacturer's Defects
California Proposition 65 Warning Yes

Pro-Tip: When drilling large holes through thick studs or joists with an aggressive 3-inch self-feed bit, always equip your electric drill with an auxiliary side handle. The threaded screw tip pulls the bit rapidly into the wood, which can generate a massive amount of torque and sudden kickback when biting into dense grains or knots.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 41723942819

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4.6 ★★★★★
Based on 13 reviews
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Sarge Howell
Bozeman, US
★★★★★ 4
Quality and durable socks
Size: Large, Color: White (6-pairs), Number of Items: 6
Great quality socks. This pack was a lot taller on the cuff and bigger than previous batches I have had. Not sure what the change was, but giving it 4 instead of 5 because I preferred the smaller shorter ones they previously made. But these are great quality socks, and last a long time.
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Reviewed in the United States on February 8, 2026
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Rafael Mota
Chelsea, US
★★★★★ 5
A Game-Changer for Comfort
Size: Medium, Color: Black, Number of Items: 6
I recently upgraded my workout gear with the Under Armour Training Cotton Quarter Socks, and I must say, these socks have revolutionized my exercise experience. Comfortable, durable, and stylish, they truly stand out in the crowded world of athletic socks. First and foremost, the comfort level of these socks is unparalleled. The blend of cotton and synthetic materials provides a soft and plush feel against my feet, making every step a pleasure. The quarter length strikes the perfect balance, offering ample coverage without being too restrictive or too short. It's like walking on clouds, even during the most intense workouts. One of the standout features is the moisture-wicking technology. I've worn these socks during high-intensity cardio sessions, and they have consistently kept my feet dry and comfortable. The breathability is remarkable, preventing that uncomfortable feeling of sweaty feet that often accompanies strenuous workouts. No more distractions – just focus on pushing through your fitness routine. Durability is another strong suit of these socks. After numerous washes, they maintain their shape and elasticity, showing no signs of wear and tear. The reinforced heel and toe areas provide extra support, ensuring longevity and preventing the dreaded sock holes that often plague other brands. The sleek design of the Under Armour Training Cotton Quarter Socks adds a touch of style to my workout attire. The subtle logo and choice of colors make them versatile enough to pair with any athletic shoes. Whether you're hitting the gym, going for a run, or simply running errands, these socks seamlessly blend fashion with function. In terms of sizing, I found that they fit true to size. The elastic band around the arch provides a snug yet comfortable fit, ensuring that the socks stay in place throughout any activity. While the price point may be slightly higher than some other options on the market, the quality and performance of the Under Armour Training Cotton Quarter Socks more than justify the investment. When it comes to comfort, durability, and style, these socks have become an indispensable part of my workout wardrobe.
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Reviewed in the United States on January 3, 2024
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Shayla Garrison
Lake Worth, US
★★★★★ 5
good medium rise sock
Size: Large, Color: Black (6-pairs), Number of Items: 6
love a good under armour sock!
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Reviewed in the United States on June 2, 2026
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Carol Foshag
Whiting, US
★★★★★ 5
Well made
Size: Large, Color: Black (6-pairs), Number of Items: 6
These are the only socks that my 12 year old Grandson will wear. He's very picky. LOL
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Reviewed in the United States on March 2, 2026
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Kiersten
Bozeman, US
★★★★★ 5
Comfort and durability
Size: Large, Color: White (6-pairs), Number of Items: 6
Socks work really good. I have very rough and dry feet that tear up my bed sheets. They hold up to my destructive feet. They are soft and comfy!
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Reviewed in the United States on December 14, 2025

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