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$88.99
EZARC 5PCS Countersink Drill Bit Set for Hard Metal, Titanium Aluminum Nitride Coated Countersink Drill Bit with 1/4" Hex Shank, 82 Degree 5 Flutes Design, Countersink bit with Storage Box
★★★★★
$88.99
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About this item
- 【Longer-Lasting AlTiN Coating】 Premium AlTiN coating provides extreme hardness, excellent heat resistance, and reduced friction – ensuring a long service life for this counter sink drill bit set. Perfect for precise metalworking.
- 【Optimized for Hard Metals】Specifically designed for stainless steel, alloy steel, and other hard materials. This metal countersink bits is engineered to handle tough metalworking tasks, though it may not provide the same surface finish quality when used on softer materials.
- 【5-Flute Design for Smooth Cuts】The 5-flute geometry minimizes vibration, distributes cutting forces evenly, and enables stable, smooth cuts with minimal burrs. Ideal as both a countersink tool and counter sink bit for hard metals.
- 【Countersinking & Deburring】Perfect for chamfering drill hole edges, deburring metal surfaces, and creating clean countersinks in pre-drilled holes. This trend countersink drill bit saving time and improving workflow efficiency.
- 【Universal Quick-Change Hex Shank】 The standard 1/4" hex shank fits drills and electric screwdrivers securely. Quick-change design saves time and ensures easy, precise use with countersink drill bit. Comes with a durable storage case for organized storage and jobsite convenience.
- 【Assorted Sizes & Technical Specifications】This countersink sets includes 5 different sizes of countersink drill bits, each with an 82° cutting angle and 5-flute design: 1/4" (6mm), 3/8" (10mm), 1/2" (13mm), 5/8" (16mm), and 3/4" (19mm). All bits feature a 1/4" (6.35mm) hex shank for universal compatibility.
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What customers say about Bigamart
10 Trustpilot reviews total, with 2 shown at a time.
Trustpilot
★★★★★
Excellent
4.5 average rating
S
Sigalit
🇮🇱 · January 2026
★★★★★
I wrote to Bigamart's customer support and they accompanied the process of reshipping the item until it finally arrived. I felt a genuine effort to solve the problem till it was finally solved.
V
Verified buyer
🇦🇺 · November 2025
★★★★★
The package was here in Australia from England in a few days — so quick! Something was missing and they refunded it straight away. Pretty happy with these guys.
Showing 1–2 of 10 reviews
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