Drill America
✓Hole Saws
Drill America - CTH4250 4-1/4" Carbide Tipped Hole Cutter with 1" Depth of Cut
★★★★★4.6
$833.99
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$69.99
HIGHDRIL Diamond Beveling Chamfer Milling Bit - Diamond Countersink Finger Bit with M14 Thread for 20mm(4/5") Hole Enlarging Shaping Trimming in Porcelain Ceramic Tile Granite Marble Quartz
★★★★★
$69.99
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About this item
- 【Specification】Shank: M14 Thread, Chamfer Angle: 53°, Diameter: 20mm(4/5"), Diamond Grit: Chamfer part#80/ Grinding part#60, Total length: 60mm, Working Depth: 50mm(Chamfer part: 20mm; Grinding part: 30mm).
- 【Grinding & Chamfering】The combination of grinding and chamfering can meet different needs; beveling can slowly eliminate rough holes and improve working efficiency.
- 【Vacuum brazed】Using high-quality steel, combined with advanced vacuum brazing technology, the drill bit is sharp and durable, with a long service life.
- 【Grit Distinction】#80 high quality diamond particles for chamfering - smooth and glossy finishes; #50/60 diamond particles for reaming and grinding - fast and efficient grinding.
- 【Easy to use】M14 thread is suitable for angle grinders; Dry and wet use for tile, marble, granite, quartz, artificial stone, etc. Recommended speed 6000RPM, maximum speed 11000RPM.
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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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