| Total qty | Discount | Per unit | You save |
|---|---|---|---|
| 1 – 2 | — | — | |
| 3 – 4 | 5% off | ||
| 5 – 9 | 10% off | ||
| 10 + | 12% off |
The Supra MK 3/4" Soft unmounted natural bristle brushes deliver premium performance for jewelers and metalsmiths working on flat, curved, small, and hard-to-reach surfaces. Made in the USA with solid steel ring construction, these miniature brushes are built for durability and consistent results. Brush filaments are permanently anchored in the solid steel ring and uniformly distributed for even wear across the working surface.
These brushes are made with natural animal hair and are available in Soft, Medium, and Stiff bristle grades to match your application requirements. The 1/8" diameter center hole is designed for use with specific hub adapters and screw mandrels—see the Notes section for important compatibility guidance.
Sold by the dozen.
| Brush Diameter | 3/4" |
|---|---|
| Bristle Type | Natural animal hair |
| Bristle Grade | Soft |
| Hole Diameter | 1/8" |
| Construction | Solid steel ring, unmounted |
| Maximum Operating Speed | 25,000 RPM |
| Country of Origin | USA |
| Pack Quantity | 12 (one dozen) |
The 1/8" center hole is designed for use with hub adapters 147.257 or 147.259, or with screw mandrels using 1/8" diameter screws 143.160 or 143.162. Using this hole size with thinner 3/32" diameter screw mandrels results in a sloppy fit. Natural bristle brushes with 3/32" diameter holes are also available separately.
Supra does not manufacture extra soft bristle brushes. Extra soft bristle brushes are made in China.
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