Drill America
โHole Saws
Drill America - CTH4250 4-1/4" Carbide Tipped Hole Cutter with 1" Depth of Cut
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$834.99
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$221.99
DT-DIATOOL Diamond Core Drill Bits Set - 6/8/10/25/35/50mmmm Hole Saws with 35mm Diamond Chamfer Bit for Porcelain Tile Ceramic Marble Granite Masonry Quartz
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$221.99
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About this item
- Specification: Triangle shank drill bit: Total length 65mm, diamond height 10mm. Work length 29-30mm. 6/8/10mm Grit #50/60. 20-50mm Grit #40/45. 1-3/8โ hex shank diamond chamfer bit: total length 65mm, workable length 35mm,top angle 53 degree, grit #80.
- Triangle Shank: Suitable for hand drill, bench drill. General hand drill speed is 2000RPM-5000RPM. Recommend high speed drilling. The higher the speed, the longer the work life. Donโt use the impact or hammer mode.
- Multi-use๏ผdrill bits for drilling and diamond chamfer bits for enlarging, polishing or shaping the holes of porcelain tile, ceramic, marble, quartz, granite, masonry, etc. Not recommend for drilling glass. Donโt directly use the chamfer bit to drill holes.
- Advanced Technology: Vacuum brazing processing technology, diamond are firmly embedded. The average service life is 3-5 times that of electroplated tools.
- Good Effect: #40 sharp diamond, less debris and edge breakage on materials and better finishing effect.
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What customers say about Bigamart
10 Trustpilot reviews total, with 2 shown at a time.
Trustpilot
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Excellent
4.5 average rating
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Sigalit
๐ฎ๐ฑ ยท January 2026
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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.
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Verified buyer
๐ฆ๐บ ยท November 2025
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The package was here in Australia from England in a few days โ so quick! Something was missing and they refunded it straight away. Pretty happy with these guys.
Showing 1โ2 of 10 reviews
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