Skip to content

Straight Threaded Mandrel with Nut-1/4" Diameter Shank

Part # 143.166 Only 1 left Weight -- lb -- g
Current price $6.00
Volume pricing
Total qty Discount Per unit You save
1 – 2 $6.00
3 – 4 5% off $5.70 $0.30
5 – 9 10% off $5.40 $0.60
10 + 12% off $5.28 $0.72
Add 2 more for 5% off, saves another $0.30 each.

The Straight Threaded Mandrel with Nut features a 1/4" diameter shank and is designed to mount grinding and polishing wheels securely in a flex shaft, pendant drill, or compatible rotary tool. The threaded design with included nut allows wheels to be clamped firmly in place, minimizing wobble during use. This mandrel is compatible with wheels that have a 1/4" (6.4 mm) center hole, up to 3" (76 mm) in diameter, and up to 1/2" (12.7 mm) thick. It is a popular choice for use with Cratex rubberized abrasive wheels and similar grinding or polishing wheels used in jewelry finishing and metalsmithing work.

Features

  • Threaded shank design with nut for secure wheel clamping
  • Accepts wheels with a 1/4" (6.4 mm) center hole
  • Supports wheels up to 3" (76 mm) in diameter
  • Supports wheels up to 1/2" (12.7 mm) thick
  • Well suited for use with Cratex rubberized abrasive wheels
  • Ideal for grinding, deburring, and polishing applications

Specifications

Shank Diameter 1/4" (6.4 mm)
Maximum Wheel Diameter 3" (76 mm)
Maximum Wheel Thickness 1/2" (12.7 mm)
Compatible Wheel Hole Size 1/4" (6.4 mm)
Included Hardware 1 nut

What's Included

  • 1 straight threaded mandrel
  • 1 nut
California Prop 65 Warning California Prop 65 Warning:
Cancer and Reproductive Harm. www.P65warnings.ca.gov.
Brand
Otto Frei
Part #
143.166
Type
Polishing Wheels & Bobs
Dimensions
2 in x 2 in x 1 in
Shank Diameter
1/4" (6.4 mm)
Maximum Wheel Diameter
3" (76 mm)
Maximum Wheel Thickness
1/2" (12.7 mm)
Compatible Wheel Hole Size
1/4" (6.4 mm)
Included Hardware
1 nut