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Small stainless-steel cup brush on a shank, 3/16 in diameter with .003 in bristles

Weiler

Weiler Stainless Steel Cup Brush 3/16 in .003 Bristle 37000 RPM 26099

SKU CH-8XRF-FJZX5

Stainless steel cup brush with 3/16 in diameter, .003 in bristles and 37000 RPM maximum speed for precision cleaning and surface preparation

  • 3/16 in diameter reaches tight spaces
  • Stainless steel bristles resist corrosion and wear
  • .003 in bristle diameter enables fine surface work
  • Shank attachment fits compatible power tools directly
  • 37000 RPM maximum speed supports high-speed operation

3/16 in Stainless Cup Brush

This Weiler cup brush measures 3/16 in diameter and uses stainless steel bristles sized at .003 in. It mounts via a shank attachment for use with compatible rotary tools. The brush is sold individually under part number 26099.

Check Speed and Chuck Fit

Verify that your rotary tool or die grinder can accept a shank-mounted accessory and is rated for at least 37000 RPM. Ensure the chuck or collet size matches the shank diameter before fitting the brush. Confirm the workpiece material is suitable for stainless steel bristles to avoid contamination.

Replaces Worn Micro Brushes

This brush replaces smaller-diameter cup brushes that have lost bristle stiffness or cutting action. The step up is worthwhile when a 3/16 in face reaches tight corners that larger cups cannot access. It is not for operators needing wider surface coverage or aggressive material removal rates.

How it compares

Measured against everything we stock in Bits, Hole Saws & Accessory Kits, at today’s prices. Recalculated every night.

Price $8.99
Cheaper than about 90% of the 5,493 comparable items (median $27.99).

Specifications

Product
Product typeOther

Questions about this item

What comes with the Weiler 26099 cup brush and what must I buy separately?

The box contains one stainless-steel cup brush with a 3/16 in diameter and .003 in bristles; a compatible rotary tool or grinder capable of 37000 RPM is required but not included.

How do I choose the right version of this Weiler brush for my job?

This model is a single specification — 3/16 in cup diameter, .003 in stainless-steel bristles, shank mount, 37000 RPM limit — so selection is simply confirming those figures match your application.

What does the 37000 RPM rating mean when the brush is on my tool?

It is the maximum safe free-speed; running the brush faster risks bristle breakage and cup failure, so the tool’s no-load speed must be at or below 37000 RPM.

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