Free shipping over $200 · Supplying commercial contractors across the continental U.S.

Free shipping over $200

Triumph  |  SKU: 012528

7/16" Heavy-Duty ThunderBits®

Precio de venta $9.82 Precio normal $22.88
Flat $15 shipping · free over $200

Sold in 6s · $58.92 for 6 Bits

$9.82 Qty 6

Title: Heavy-Duty ThunderBits® 7/16" Drill Bits - Pack of 6 by Triumph Twist Drill

Description:
Get ready to power through tough materials with these 7/16" Heavy-Duty ThunderBits® by Triumph Twist Drill. Crafted from premium grade high-speed steel, these drill bits feature a 135° split point for precise drilling. The black and bronze oxide coating adds durability to the heavy-duty construction, making them perfect for iron, cast steel, high alloy steel, stainless steel, and more.

Specifications:
- Part Number: 12528
- Size: 7/16"
- Decimal Equivalent: 0.4375
- Flute Length: 4-1/16"
- Overall Length: 5-1/2"

Ideal for use in a variety of materials including iron, carbon, PVC, wood, and high-tensile strength alloys, these ThunderBits® are a must-have for professionals in HVAC, construction, and more. Upgrade your drilling experience with these high-speed drill bits designed to tackle any job with precision and efficiency.

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Why crews buy here

Bulk cutting tools for commercial contractors.

Premium bits, blades and abrasives, sold in the quantities a crew actually uses.

  • $15Flat shipping
  • $200+Ships free
  • 30-dayReturns
  • 8–4 MSTReal people on the phone
  • Net termsContractor accounts

We supply commercial contractors across the continental United States with premium, top-tier cutting tools, in bulk. That saves you money and makes purchasing easy.

Orders ship from manufacturer distribution centers across the U.S., so the bits get to the job, not just to a warehouse.

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Priced by the piece, sold in bulk

Fair pricing, with the per-piece price shown on the page.

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  • Flat $15 shipping, free over $200
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Free shipping over $200 applies in the continental U.S.; oversized items may vary.

Buying for a crew?

Call 833-438-6657, 8 AM to 4 PM MST. We know the parts, not just the part numbers.