Drill America
✓Hole Saws
Drill America - CTH4250 4-1/4" Carbide Tipped Hole Cutter with 1" Depth of Cut
★★★★★4.6
$666.99
ViewPrice
$52.99
sourcing map 45mm Sintered Diamond Core Drill Bits Hole Saws, Dry or Wet Drilling for Brick Concrete Block Masonry Marble, for M10 rotary tool
★★★★★
$52.99
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1
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About this item
- Diamond Drill Bits: 45mm cutting diameter. Sintered diamond cutting edge contains diamond particles from inside to outside, to ensure that the edge is always sharp.
- Application: Can be dry or wet drilling. To prolong the using life, it is recommended to be used with water for cooling and lubrication. Drill accurate holes on concrete, masonry, hard brick, marble, stone, marble, glass, tile and other hard materials.
- Fit for rotary tool: Easily operate on the M10 rotary tool (not included here). Or need an adapter for drill or other machine, such as hex, round shank etc. (not included here). Cannot be used on impact power tools.
- Features: Large clearance hole facilitates the entrance of cooling water and the escape of chips and other particles from drilling. Makes drilling process much easier.
- Notices: When cutting holes, it needs to be positioned at an angle of 45 degree and make a crescent-shaped trace on the material. Then cut holes vertically and need to be cooled with water.
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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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