Drill America
✓Hole Saws
Drill America - CTH4250 4-1/4" Carbide Tipped Hole Cutter with 1" Depth of Cut
★★★★★4.6
$974.99
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$28.99
sourcing map Diamond Hole Saw Core Drill Bit, 14mm Diameter 1/4" Hex Shank Sintered Diamond Hole Cutter for Masonry Porcelain Tile Marble Stone
★★★★★
$28.99
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About this item
- Core Drill Bits: Drilling diameter: 14mm / 0.55"; hex shank size: 1/4"; working depth (max .): 43mm / 1.69"; total length: 73mm / 2.87". Provide high efficiency, fast and smooth drilling, but also ensure longer working life.
- Wide Applications: Suitable for drilling porcelain, tile, marble, stone, masonry, brick, glass. Can be dry or wet use. It is recommended to be used with water for cooling and lubrication to prolong the using life and increase the performance.
- Sintered Diamond: Diamond grains are permanently sintered to the cutting edge from inside to outside. Sintered diamond has the sharpening property but electroplated or brazed diamond can not be sharpened.
- Features: Large clearance hole facilitates entrance of cooling water and escape of chips and other particles from drilling. Creates a precision and smooth cut, less chipping and minimizing breakage.
- 1/4 Inch Hex Shank: Quick change 1/4 inch hex shank can be used on power tools more easily and securely. Fits most bench drills, hand electric drills. Tips: Reduced drill speeds, low drill pressure and increased use of water lubrication will extend drill bit life considerably.
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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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