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Diamond Drill Bits

Important: When using diamond coated drills, points, wheels etc:

Always completely submerge, both drill bit cutting surface and object being drilled, in water.
Use light pressure
Between 5,000-20,000 rpm
Lift often
Best results when used in a drill press
Use bur lubricant or beeswax on cutting surface
If diamonds are being worn off too quickly or bit becomes hot and discolors, you are not using the above guidelines.
Because of the nature of the diamond coating process, drill bit diameters may vary by as much as ±0.5 mm

Diamond Coated Twist Drills

Diamond Coated Twist Drills

We have added a medium-fine coating to the tips of high-speed twist drills to drill stone, ceramic, glass and other hard non-metallic materials.The drills are made of superior high-grade steel. Learn more ›

From $6.95

SKU
Inches
MM
Price
Qty
DIB-227.61.0390"0.990 mm$6.95
DIB-227.56.0465"1.181 mm$6.95
DIB-227.54.0550"1.397 mm$6.95
DIB-227.53.0595"1.512 mm$6.95
DIB-227.52.0635"1.613 mm$6.95
DIB-227.51.0670"1.702 mm$6.95
DIB-227.50.0700"1.778 mm$6.95
DIB-227.47.0785"1.994 mm$6.95
DIB-227.45.0820"2.083 mm$6.95
DIB-227.40.0982"2.489 mm$6.95
DIB-227.36.1065"2.705 mm$6.95
DIB-227.00Complete Set of 12"Complete Set of 12 mm$59.95
DIB-227.65.0350"0.889 mm$6.95
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Diamond Coated Twist Drill Burs

Diamond Coated Twist Drill Burs

These 6-piece 3/32 shank Swiss-made twist drills with electroplated diamond particles are the ultimate for drilling stones pearls glass or ceramics. Learn more ›

From $5.95

SKU
MM
Price
Qty
DIB-210.901.30 mm$5.95
DIB-211.001.40 mm$5.95
DIB-211.201.60 mm$5.95
DIB-211.401.80 mm$5.95
DIB-211.602.10 mm$5.95
DIB-210.00Set of all 6$29.95
DIB-210.701.00 mm$5.95
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Set of 6 Diamond Coated Core Drill Assortment

Set of 6 Diamond Coated Core Drill Assortment

The set of 6 includes sizes 1.5, 2.0, 2.5, 3.0, 5.0 and 6.5 mm Learn more ›

$38.95

SKU: DIB-500.00


Diamond Coated Core Drills

Diamond Coated Core Drills

Learn more ›

From $5.95

SKU
MM
Price
Qty
DIB-502.002.00 mm$5.95
DIB-502.502.50 mm$5.95
DIB-503.003.00 mm$5.95
DIB-504.004.00 mm$7.84
DIB-505.005.00 mm$8.47
DIB-506.506.50 mm$10.82
DIB-510.0010.00 mm$15.95
DIB-511.0011.00 mm$18.27
DIB-501.501.5 mm$5.95
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Diamond Coated "Stick" Drills

Diamond Coated "Stick" Drills

Perfect for drilling ceramic and stones, drills have diamond particles electroplated onto their hardened surface. Ideally used at speeds between 5,000 and 20,000 rpm, our drills provide exceptionally long life. All drills are medium-fine grit. Total lengt Learn more ›

From $2.95

SKU
MM
Price
Qty
DIB-551.001.00 mm$2.95
DIB-551.251.25 mm$2.95
DIB-551.501.50 mm$2.95
DIB-552.002.00 mm$2.95
DIB-552.502.50 mm$2.95
DIB-550.00Complete Set of 6$18.95
DIB-550.750.75 mm$2.95
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