The Supra MK Stiff 1" natural bristle brushes are unmounted miniature brushes built for demanding polishing and finishing work. These brushes feature solid steel ring construction for lasting durability, with filaments permanently anchored in the ring and uniformly distributed for consistent, even wear across the brush face. Ideal for flat, curved, small, and hard-to-reach surfaces, these brushes are made in the USA with natural animal hair.
Features
- Stiff bristle flex for aggressive surface work
- Solid steel ring construction for durability and longevity
- Filaments permanently anchored and uniformly distributed for even wear
- Natural animal hair bristles
- Made in the USA
- 1/8" center hole for use with compatible hub adapters and screw mandrels
- Suitable for flat, curved, small, and hard-to-reach surfaces
- Sold by the dozen (pack of 12)
Specifications
| Brush Diameter |
1" |
| Bristle Type |
Natural animal hair |
| Stiffness |
Stiff |
| Hole Diameter |
1/8" |
| Maximum Operating Speed |
25,000 RPM |
| Construction |
Solid steel ring |
| Country of Origin |
USA |
| Pack Quantity |
12 |
Notes
- The 1/8" hole is designed for use with hub adapters 147.257 or 147.259, and screw mandrels with 1/8" diameter screws 143.160 or 143.162.
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Using this 1/8" hole size with thinner 3/32" diameter screw mandrels will result in a sloppy, imprecise fit. Otto Frei also carries natural bristle brushes with 3/32" diameter holes for use with those mandrels.
- Supra does not manufacture extra soft bristle brushes. Extra soft bristle brushes are made in China.