Weiler
Weiler STBA-432 .020 SS M10 x 1.25 4 in Knot Wire Wheel
Stainless-steel knot wire wheel with a 3/16 in face for hard-to-reach weld cleaning at 20000 rpm
- TypeCarpet Seam Binders
- Narrow 3/16 in face reaches tight weld zones
- Stainless steel .0200 in wire resists contamination
- 32 knots deliver aggressive burr removal
- M10 x 1.25 thread fits straight and right-angle grinders
- 20000 rpm max speed for high-efficiency cleaning
What This Brush Does
The Weiler STBA-432 is a 4-inch stainless-steel knot wire wheel built for aggressive weld cleaning and heavy surface preparation. Its narrow 3/16-inch face reaches tight corners and fillet welds where wider wheels cannot fit. The M10 x 1.25 arbor threads directly onto compatible straight or right-angle grinders.
Mounting And Break-In
Thread the wheel onto the grinder spindle until the face plate seats firmly against the mounting flange. Run the tool at no load for thirty seconds to confirm true running before contacting the workpiece. Excessive side pressure fractures knots prematurely and reduces the effective trim length of 7/8 inch.
Speed And Material Limits
The 20,000 rpm maximum rating is a hard ceiling; exceeding it risks knot ejection and wheel disintegration. Stainless-steel wire prevents carbon contamination on stainless alloys but wears faster on hardened steels than carbon-steel alternatives. The wheel removes rust, paint, oxides and scale but is not designed for precision deburring or finishing soft non-ferrous metals.
Highlights
- Narrow 3/16 in face reaches tight weld zones
- Stainless steel .0200 in wire resists contamination
- 32 knots deliver aggressive burr removal
- M10 x 1.25 thread fits straight and right-angle grinders
- 20000 rpm max speed for high-efficiency cleaning
Specifications
| Brand | Weiler |
|---|---|
| Type | Carpet Seam Binders |
Questions about this item
How can I confirm the STBA-432 knot wire wheel is running correctly after mounting it on my grinder?
The wheel should spin smoothly up to the 20000 rpm maximum without vibration. The 32 stainless-steel knots of .0200 in wire will produce a consistent brushing action on rust, paint, oxides or scale when the face width of 3/16 in contacts the work.
What comes in the package and what must I supply separately?
One STBA-432 knot wire wheel is included. You must provide a straight grinder or right-angle grinder with an M10 x 1.25 arbor thread to match the wheel's mounting specification.
Which version of this wheel should I choose for narrow weld-cleaning tasks?
The STBA-432 with its 4 in diameter, 3/16 in face width and 32 knots of .0200 in stainless-steel wire is the only version listed; it is built for very narrow faces in hard-to-reach areas such as weld cleaning.
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