Drill America
✓Hole Saws
Drill America - CTH4250 4-1/4" Carbide Tipped Hole Cutter with 1" Depth of Cut
★★★★★4.6
$833.99
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$74.99
DT-DIATOOL Diamond Core Drill Bits Kit- 2pcs 6mm drill bits with 20mm Diamond Chamfer Bit M14 Thread and Hex Adapter Hole Saw Set for Porcelain Ceramic Tile Marble Granite
★★★★★
$74.99
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About this item
- 6mm drill bit: diameter 6mm, total length 60mm, diamond height 10mm.Diamond chamfer bit: diameter 20mm; workable length 20mm; total Length 40mm. chamfer angle: top angle 56 degree; Grit:#80/#100. Hex adapter : connect 5/8" thread to 3/8" hexagon shank, shank length 28mm, total length 53mm.
- Multi-use: diamond drill bits for drilling holes and diamond chamfer bit for enlarging, polishing and shaping holes.Suitable for ceramic tile, porcelain tile, granite, marble,etc. Not recommend drilling concrete.
- Boxed package: The drill bit is easy to store, the box is portable and used repeatedly.
- Machine universal: Used on angle grinder,the recommended RPM: 6000RPM;Max RPM: 11000RPM.With hex adapter, you can use these drill bits on the hand drill. Notice: don’t use the hammer mode and please keep drilling at a high speed if you use the hand drill. General speed of hand drill is 2000-5000RPM. The higher the speed, the longer the worklife of drill bits.
- All bits are produced in vacuum brazed technology, longer life than electroplated drill bits. U Shape incision, reduce cutting resistance and improve drilling speed.
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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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