Drill America
✓Hole Saws
Drill America - CTH4250 4-1/4" Carbide Tipped Hole Cutter with 1" Depth of Cut
★★★★★4.6
$833.99
ViewPrice
$72.99
BGTEC Diamond Core Drill Bits, 2pcs 30mm Triangle Shank Hole Saw Drill Bits for Ceramic Porcelain Tile Marble Granite Stoneware Quartz Vacuum Brazed Diamond Drill Bit 65mm Length
★★★★★
$72.99
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20 availableSize: 30mm
Quantity
1
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About this item
- 【Size】2pcs, diameter 30mm; total length 65mm; diamond height 10mm; diamond grit #40/45; triangular shank diameter 10mm;
- 【Application】Suitable for drilling granite and marble, tiles/ceramics and a variety of other materials; can be used for dry and wet drilling, with longer service life when used with water.
- 【Cooling and Heat Dissipation】The top of the drill bit has 4 U grooves, which is conducive to heat dissipation and discharge of debris.
- 【Not Easy to Chip】Precision diamond particles and vacuum brazing technology ensure that the drill bit is not easy to chip or damage during the drilling process, guaranteeing work safety and efficiency.
- 【Applicable machines】Hand drill, bench drill. Recommended speed: 2000 to 5000 rpm; the higher the speed, the longer the life of the drill bit. If you are using an angle grinder, please install a drill adapter.
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Customer reviews
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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