R.H. Lapidary
(Formerly Robert Hall Originals)
R.H. Lapidary
(Formerly Robert Hall Originals)
Diamond Drill Bits & Core Drills
Diamond Drill Bits & Core Drills
Crinkled Core Drills
Crinkled Core Drills
Crinkled core drills are used on stones and glass. They are used frequently for making holes in clock faces and wine bottles for lamps. The crinkled edge design quickly removes debris for more diamond cutting surface contact. They are coated with 120 grit industrial diamond. Use these crinkled core drills on a drill press ideally with a water swivel adapter.
Crinkled core drills are used on stones and glass. They are used frequently for making holes in clock faces and wine bottles for lamps. The crinkled edge design quickly removes debris for more diamond cutting surface contact. They are coated with 120 grit industrial diamond. Use these crinkled core drills on a drill press ideally with a water swivel adapter.
Prices do NOT include taxes or shipping​
Crinkle Core Drills
Shank Size: 4 mm
Outer Diameter: 4 mm
$4.95
$4.95
Crinkle Core Drills
Shank Size:5 mm
Outer Diameter: 5 mm
$5.60
$5.60
Crinkle Core Drills
Shank Size: 6 mm
Outer Diameter: 6 mm
$7.45
$7.45
Crinkle Core Drills
Shank Size: 8 mm
Outer Diameter: 7 mm
$8.70
$8.70
Crinkle Core Drills
Shank Size: 6 mm
Outer Diameter: 8 mm
$9.90
$9.90
Crinkle Core Drills
$11.15
$11.15
Crinkle Core Drills
Shank Size: 7 mm
Outer Diameter: 10 mm
$12.40
$12.40
Crinkle Core Drills
Shank Size:10 mm
Outer Diameter: 11 mm
$13.05
$13.05
Crinkle Core Drills
Shank Size: 10 mm
Outer Diameter: 12 mm
$13.65
$13.65
Crinkle Core Drills
Shank Size: 10 mm
Outer Diameter: 13 mm
$14.30
$14.30
Crinkle Core Drills
Shank Size: 10 mm
Outer Diameter: 14 mm
$14.90
$14.90
Crinkle Core Drills
Shank Size: 10 mm
Outer Diameter: 15 mm
$16.15
$16.15
Crinkle Core Drills
Shank Size: 10 mm
Outer Diameter: 16 mm
$17.40
$17.40
Crinkle Core Drills
Shank Size: 10 mm
Outer Diameter: 17 mm
$18.60
$18.60
Crinkle Core Drills
Shank Size: 10 mm
Outer Diameter: 18 mm
$19.85
$19.85
Crinkle Core Drills
Shank Size: 10 mm
Outer Diameter: 19 mm
$21.10
$21.10
Crinkle Core Drills
Shank Size: 10 mm
Outer Diameter: 20 mm
$22.30
$22.30
Crinkle Core Drills
Shank Size: 10 mm
Outer Diameter: 21 mm
$22.95
$22.95
Crinkle Core Drills
Shank Size: 10 mm
Outer Diameter: 22 mm
$23.60
$23.60
Crinkle Core Drills
Shank Size: 10 mm
Outer Diameter: 23 mm
$24.20
$24.20
Crinkle Core Drills
Shank Size:10 mm
Outer Diameter: 24 mm
$24.20
$24.20
Crinkle Core Drills
Shank Size: 10 mm
Outer Diameter: 25 mm
$24.80
$24.80
Crinkle Core Drills
Shank Size: 10 mm
Outer Diameter: 26 mm
$25.42
$25.42
Crinkle Core Drills
Shank Size:10 mm
Outer Diameter: 27 mm
$26.05
$26.05
Crinkle Core Drills
Shank Size: 10 mm
Outer Diameter: 28 mm
$26.05
$26.05
Crinkle Core Drills
Shank Size: 10 mm
Outer Diameter: 29 mm
$26.65
$26.65
Crinkle Core Drills
Shank Size: 10 mm
Outer Diameter: 30 mm
$28.52
$28.52
Crinkle Core Drills
Shank Size: 10 mm
Outer Diameter: 31 mm
$29.75
$29.75
Crinkle Core Drills
Shank Size: 10 mm
Outer Diameter: 32 mm
$30.38
$30.38
Crinkle Core Drills
Shank Size: 10 mm
Outer Diameter: 33 mm
$31.00
$31.00
Crinkle Core Drills
Crinkle Core Drills
Shank Size: 10 mm
Outer Diameter: 34 mm
$31.65
$31.65
Crinkle Core Drills
Crinkle Core Drills
Shank Size: 10 mm
Outer Diameter: 35 mm
$32.24
$32.24
Sintered Core Drills
Sintered Core Drills
These sintered core drills are made for heavy duty industrial use on marble and granite. They need to be used on a drill press with a water feed.
Sintered Core Drills
Outside Diameter: .050"
Inside Diameter: 0.37"
$37.20
$37.20
Sintered Core Drills
Outside Diameter:0.75"
Inside Diameter: 0.62"
$44.65
$44.65
Sintered Core Drills
Outside Diameter: 1.00"
Inside Diameter: 0.86"
$64.80
$64.80
Sintered Core Drills
Outside Diameter: 1.25"
Inside Diameter: 1.10"
$74.40
$74.40
Sintered Core Drills
Outside Diameter: 1.50"
Inside Diameter: 2"
$104.16
$104.16
Sintered Core Drills
Outside Diameter: 2.00"
Inside Diameter: 1.80"
$126.48
$126.48
Diamond Cylinder Bits
Diamond Cylinder Bits
Most frequently used for drilling holes in stone. These bits are also suited for drilling bead holes.
Diamond Cylinder Bits.
3/4 mm
$3.00
$3.00
Diamond Cylinder Bits.
1 mm
$3.00
$3.00
Diamond Cylinder Bits.
1 1/4 mm
$3.00
$3.00
Diamond Cylinder Bits.
1 1/2 mm
$3.00
$3.00
Diamond Cylinder Bits.
1 3/4mm
$3.00
$3.00
Diamond Cylinder Bits.
2 mm
$3.00
$3.00
Diamond Cylinder Bits.
2 1/2 mm
$3.00
$3.00
Diamond Twisted Cylinder Bits
Diamond Twisted Cylinder Bits
Our diamond twisted cylinder drills are used for reaming pearls and drilling holes in glass. Their twisted shape allows these bits to drill faster than the diamond cylinder drills.
Twisted Cylinder Bits
1.0 mm
$3.00
$3.00
Twisted Cylinder Bits
1.1 mm
$3.00
$3.00
Twisted Cylinder Bits
1.2 mm
$3.00
$3.00
Twisted Cylinder Bits
1.3 mm
$3.00
$3.00
Twisted Cylinder Bits
1.4 mm
$3.00
$3.00
Twisted Cylinder Bits
1.5 mm
$3.00
$3.00
Twisted Cylinder Bits
1.6 mm
$3.50
$3.50
Twisted Cylinder Bits
1.7 mm
$3.50
$3.50
Twisted Cylinder Bits
1.8 mm
$3.50
$3.50
Twisted Cylinder Bits
1.9 mm
$3.50
$3.50
Twisted Cylinder Bits
2.0 mm
$3.50
$3.50