Wholesale Bulk Paint Brushes 100mm Bristle Brush for Wall and Furniture Painting

We've been producing these for resin compounding workshops and auto refinish shops that need something that actually cuts in cleanly on a 100mm flat edge, not the floppy junk you see repackaged form discount bins.

It's a 4-inch/100mm brush with a 20cm overall length—handle takes up 12.2cm of that—and bristles are a synthetic blend that holds about 85 grams of wet paint before it starts to drip. The high-density plastic handle is solid enough you won't get flex when pushing into corners, and the 1.5cm brush thickness means the ferrule won't twist under torque. We usually have stock on the standerd 12pcs/box packging, but if you need custom branding or colors, MOQ is 1000 pieces and lead time runs 15-20 days or so (confirm for large drops). Most buyers actually prefer the thicker filament stiffness over cheaper natural bristles for latex—it just lays down smoother without that frothy texture.

Not great for fine detailing work or stenciling where you'd want a 12mm or 25mm angle sash brush; this thing wants coverage on walls, doors, cabinet panels, or fence planks. It'll work on both oil and water-based paints, varnishes, stains—basically anything that doesn't require aggressive solvent resistnce that melts synthetics.

We've seen some users run these through acetone cleaning cycles for oil-based finishes and the handle holds up fine, but the ferrule can corrode if left soaking for weeks. One thing nobody asks but matters: the bristles are packed tight enough that you don't get shedding mid-project—we check by running 20 strokes across a test board at QC and count loose fibers (anything under 3 passes).

Anyway, the 85 gram weight is about what you'd expect for a 4-inch brush with a full ferrule—lighter than a wooden handle version by maybe 10-12 grams, so you'll notice less fatigue over a full shift but it doesn't feel cheap in the hand.