Drill America
✓Hole Saws
Drill America - CTH4250 4-1/4" Carbide Tipped Hole Cutter with 1" Depth of Cut
★★★★★4.6
$834.99
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$314.99
EXFEIN Diamond Core Drill Bits Set 10pcs (6/6/8/19/35/50/65mm Tile Drill Bits + 20mm Finger Bit + 50mm Bevelled Chamfer Bit + Adapter) for Porcelain Tile Ceramic Marble Brick Granite
★★★★★
$314.99
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1
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About this item
- 【Size】Include 7pcs diamond core drill bits: 2pcs 6mm, 8mm, 20mm, 35mm, 50mm, 68mm;1pc 20mm diamond finger bit; 1pc 50mm diamond beveling chamfer bit; 1pc M14 to hex shank adapter.
- 【specification】Diameter 6-68mm, total length 60mm, max working depth 40mm, diamond height 10mm;Diamond grit: Diameter below 20mm: #40/45; Diameter 20MM and above: #35/40.
- 【Machine】Suitable for angle grinders. Recommended RPM 6000, Max RPM 11000.You can also use it on hand drill with the hex shank adapter in this kit. When using a drill bit on a hand drill, please keep the speed at least 2500RPM. Do not use the impact or hammer mode otherwise the tiles will crack. If you want to drill more holes and cleaner, please add water to wet it.
- 【Widely Use】Different sizes drill bits are used for drilling holes; The chamfer bit is not for drilling, but for quickly enlarging or trimming holes; When the chamfer is reamed or edging, the ground edge is beveled. It may be necessary to continue to correct with a finger bit. The finger bit is not for drilling, but for finely enlarging holes or grinding; Dry or wet use. If you want to be dust-free, please use them with water. For porcelain tiles, marble, granite, etc.
- 【Good Performance】Lightning tooth design facilitates debris and heat dispersion, fast and smooth drilling, good drilling finishes, neat and smooth.
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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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