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3M

3M 3/4" Radial Bristle Discs Various Grits-Packs of 12

Part # 116.581 142 In Stock Weight -- lb -- g
Current price $21.25
Volume pricing
Total qty Discount Per unit You save
1 – 2 $21.25
3 – 4 5% off $20.19 $1.06
5 – 9 10% off $19.12 $2.13
10 + 12% off $18.70 $2.55
Add 2 more for 5% off, saves another $1.06 each.

Pack Size Options

Sold in packs. See Product Description for quantity.

Grit: 80 Grit Yellow

The 3M 3/4" Radial Bristle Discs are professional-grade polishing and finishing discs designed for use with a flex shaft. Sold in packs of 12 individual discs, they stack onto a pin-hole mandrel — use one disc or stack four to six together to build a flexible brush suited to your application. No polishing compound is needed; the abrasive compound is built directly into the bristles.

Sold in packs of 12

Beware of low cost imitations-insist on genuine 3M Radial Bristle Discs

These discs are long-lasting, cool-running, and deliver a uniform, easy-to-control finish without heat buildup that can damage delicate work. Seven grits are available, covering the full spectrum from rapid scratch removal to final high-polish finishing — making it easy to build a complete polishing progression for metal, stone settings, and other jewelry surfaces.

Features

  • Abrasive compound built into bristles — no separate polishing compound required
  • Stack multiple discs on a pin-hole mandrel to create a custom brush thickness
  • Cool-running design minimizes heat buildup and potential workpiece damage
  • Delivers a uniform, controlled finish across curved and detailed surfaces
  • Long-lasting bristles that do not require recharging
  • Seven grits available to cover coarse scratch removal through final polishing
  • Designed for use with a flex shaft
  • Sold in packs of 12 individual discs

Specifications

Diameter 3/4"
Pack Quantity 12 individual discs per pack
Intended Use Polishing and finishing with a flex shaft
Mandrel Type Pin-hole mandrel (sold separately)

Available Options

Part # Grit / Grade Color Application
116.581 80 Grit Yellow Rapid scratch removal — coarse (Titanium Dioxide)
116.581.5 120 Grit White Light scratch removal (Titanium Dioxide)
116.582 220 Grit Red Very light scratch removal
116.583 400 Grit Blue Pre-polishing step one
116.584 Pumice Pink Pre-polishing step two (Silica)
116.585 6 Micron Peach Final polishing step one
116.586 1 Micron Light Green Final polishing step two — finest

Notes

  • This listing is for the 3/4" diameter size only. Radial Bristle Discs are also available in 9/16" and 1" sizes for flex shaft use, and in 2" and 3" diameter sizes for use on a polishing lathe.
  • Some variants contain Titanium Dioxide (80 Grit, 120 Grit) or Silica (Pumice Pink) — see California Proposition 65 warnings where applicable.
  • Pin-hole mandrel sold separately.
California Prop 65 Warning California Prop 65 Warning:
Cancer and Reproductive Harm. www.P65warnings.ca.gov.
Brand
3M
Part #
116.581
Type
Brushes
Country of Origin
United States
Dimensions
1 in x 1 in x 0.1 in
Diameter
3/4"
Pack Quantity
12 individual discs per pack
Intended Use
Polishing and finishing with a flex shaft
Mandrel Type
Pin-hole mandrel (sold separately)