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Rotary Files / Inside Ring Burs

Inside ring burs are used for primary finishing of ring castings. They are much faster and more precise than hand filing. Because of where they are generally used (on a motor instead of at the bench), gold recovery is significantly better.

High Speed Inside Ring Burs

High Speed Inside Ring Burs

Each have a head diameter of 1/2". Learn more ›

$84.45

SKU
Head Diameter
Cut
Length Of Cut
Shank Diameter
Price
Qty
33.6301/2"Fine1"3/32"$84.45
33.6311/2"Standard1-1/2"3/32"$78.45
Discontinued
33.6321/2"Fine1-1/2"3/32"$93.25
Discontinued
33.6351/2"Standard1"1/8"$53.15
Discontinued
33.6361/2"Fine1"1/8"$84.45
Discontinued
33.6371/2"Standard1-1/2"1/8"$31.45
Discontinued
33.6381/2"Standard1-1/2"1/8"$77.45
Discontinued
33.6291/2"Standard1"3/32"$53.55
Discontinued
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Carbide Inside Ring Burs

Carbide Inside Ring Burs

Inside ring burs are used for primary finishing of ring castings. They are much faster and more precise than hand filing. Because of where they are generally used (on a motor instead of at the bench), gold recovery is significantly better. Learn more ›

From $21.20

SKU
Length Of Cut
Diameter (head x Shank)
Cut
Price
Qty
20.2911" 1/2" x 1/4"Fine$44.00
20.292 1/2"3/8" x 1/8"Fine$24.95
20.2935/8" 1/2" x 1/8"Fine$22.30
20.01401 1/2" 1/2" x 3/32"Fine$21.20
20.01402 1/2" 1/2" x 3/32"X-Fine$21.20
20.01403 1/2" 1/2" x 3/32"X-Coarse$21.20
20.01404 1/2"3/8" x 1/8"Fine$36.60
20.01405 1/2"3/8" x 1/8"X-Fine$36.60
20.01406 1/2"3/8" x 1/8"X-Coarse$36.60
20.2901" 1/2" x 1/4"X-Fine$40.30
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