Cup Burs- Also known as 77b, these frasers are used to round the ends of prongs for setting stones.




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Cup Burs
Used to round the top of settings and similar pieces.

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Cup Bur Assortments

Brand Metal Type Qty. Range Stock# Price

Busch Vanadium-Steel Std. 13 18.153
$52.33

Grobet 13 18.153G
$31.78

Euro-Swiss Vanadium- Steel Std. 12 009, 010, 012, 0137, 015, 016, 0175, 020, 023, 025, 027, 030 BUR-560.00
$24.99

Euro-Swiss Vanadium- Steel Std. 12 009, 010, 012, 0137, 015, 016, 0175, 020, 023, 025, 027, 030 BUR-560.05
$25.99

Fox Champion Cup Burs

A revolutionary, patented cup bur design. The Champion Cup has no inner blades, instead it features two slotted openings opposing each other. Outstanding, smooth surface prong eliminates additional polishing procedure. No clogging on softer metals and particularly good for platinum. Guaranteed to outlast conventional cup burs over two times. Now offered in a new thinner-walled version as well. Packaged per 6; priced per piece.

A. The Standard Champion Cup is the ideal cup bur for jewelers finishing prongs on a continuous basis. Produces the desired result much faster.

B. The FCC Champion Cup is the ultimate cup bur for reaching tight places and rounding prongs that are very close together, because it has an extra thin wall a setter ½s favorite.

Standard Champion Cup- Sold per 6; priced per piece.

Size Stock# Cost per Bur Size Stock# Cost per Bur

0.90mm BUR-050.90
$2.05 1.50mm BUR-051.50
$2.05

1.00mm BUR-051.00
$2.05 1.60mm BUR-051.60
$2.05

1.10mm BUR-051.10
$2.05 1.70mm BUR-051.70
$2.05

1.20mm BUR-051.20
$2.05 1.80mm BUR-051.80
$2.05

1.30mm BUR-051.30
$2.05 2.10mm BUR-052.10
$2.05

1.40mm BUR-051.40
$2.05 2.30mm BUR-052.30
$2.05

FCC Champion Cup Sold per 6; priced ea.

Size Stock# Cost per Bur

0.90mm BUR-040.80
$2.15

1.00mm BUR-041.00
$2.15

1.20mm BUR-041.20
$2.15

1.40mm BUR-051.40
$2.15

1.60mm BUR-051.60
$2.15

1.80mm BUR-051.80
$2.15

Individual Standard Cup Burs
Prices are per bur. All burs sold in packs of 6.

Size ISO Diameter
in MM Diameter
in Inches Busch
German Price Grobet
Swiss Price Klein
English Price EuroTool
Swiss Price Busch
Fast Cut Price

2/0 008 0.80 0.0315 18.399G
$1.66 BUR-760.80
$1.55 BUR-560.80
$1.93

0 009 0.90 0.0354 18.400
$2.83 18.400G
$1.66 BUR-760.90
$1.55 BUR-560.90
$1.93

1 010 1.00 0.0393 18.401
$2.83 18.401G
$1.66 BUR-761.00
$1.55 BUR-561.00
$1.93 18.413
$2.83

2 012 1.20 0.0472 18.402
$2.83 18.402G
$1.66 BUR-761.20
$1.55 BUR-561.20
$1.93 18.414
$2.83

3 014 1.40 0.0551 18.403
$2.83 18.403G
$1.66 BUR-761.30
$1.55 BUR-561.40
$1.93 18.415
$2.83

4 015 1.50 0.0591 18.404
$2.83 18.404G $1.66 BUR-761.40
$1.55 BUR- 561.50
$1.93 18.416
$2.83

5 016 1.60 0.0630 18.405
$2.83 18.405G
$1.66 BUR-761.50
$1.30 BUR-561.60
$1.93 18.417
$2.83

6 018 1.80 0.0709 18.406
$2.83 18.406G
$1.66 BUR-761.60
$1.55 BUR-561.80
$1.93 18.418
$2.83

7 021 2.10 0.0827 18.407
$2.83 18.407G
$1.66 BUR-761.70
$1.55 BUR-562.10
$1.93 18.419
$2.83

8 023 2.30 0.0906 18.408
$2.83 18.408G
$1.66 BUR-761.80
$1.55 BUR-562.30
$1.93 18.420
$2.83

9 025 2.50 0.0984 18.409
$4.79 18.409G
$2.52 BUR-562.50
$2.92

10 027 2.70 0.1063 18.410
$4.79 18.410G
$2.52 BUR-762.00
$1.55 BUR-562.70
$2.92

11 029 2.90 0.1141 18.411
$4.79 18.411G
$2.52 BUR-762.10
$1.55 BUR-562.90
$2.92

12 031 3.10 0.1220 18.412
$6.33 18.412G $2.52

14 035 3.50 0.1378 18.41201
G $2.52 BUR-762.30
$1.55 BUR-563.50
$2.92

16 040 4.00 0.1575 18.41202
G $3.96 BUR-564.00
$3.80

18 045 4.50 0.1772 18.41203
G $3.96 BUR-564.50
$3.80

20 050 5.00 0.1968 18.41204
G $3.96 BUR-565.00
$3.80