Skip to content
Contact Us Jewelry School Partners Frequently Asked Questions Submit Tax Exemption
Straight Threaded Mandrel with 2 Nuts-1/4" Diameter Shank - Otto Frei
Otto Frei

Straight Threaded Mandrel with 2 Nuts-1/4" Diameter Shank

Part # 143.168 Only 1 left Weight -- lb / -- g
$10.85
Volume pricing
Total qty Discount Per unit You save
1 – 2 — $10.85 —
3 – 4 5% off $10.31 $0.54
5 – 9 10% off $9.76 $1.09
10 + 12% off $9.55 $1.30
Add 2 more for 5% off, saves another $0.54 each.

The Straight Threaded Mandrel with 2 Nuts is a reliable mounting solution for grinding and polishing wheels used in jewelry making and metalsmithing. Designed with a 1/4" (6.35 mm) diameter shank, this mandrel accommodates wheels with 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 mounting Cratex rubberized abrasive wheels, making it a practical addition to any polishing and finishing setup. The included nuts and washers allow for secure wheel clamping and straightforward installation.

Features

  • Straight threaded shank design for secure wheel mounting
  • 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
  • Includes 2 nuts and washers for firm, adjustable clamping
  • Compatible with Cratex rubberized abrasive wheels

Specifications

Shank Diameter 1/4" (6.35 mm)
Wheel Hole Size 1/4" (6.4 mm)
Maximum Wheel Diameter 3" (76 mm)
Maximum Wheel Thickness 1/2" (12.7 mm)
Included Hardware 2 nuts and washers

What's Included

  • 1 straight threaded mandrel
  • 2 nuts
  • Washers
California Prop 65 Warning California Prop 65 Warning:
Cancer and Reproductive Harm. www.P65warnings.ca.gov.
Brand
Otto Frei
Part #
143.168
Type
Polishing Wheels & Bobs
Dimensions
1.5 in x 1.5 in x 1 in
Shank Diameter
1/4" (6.35 mm)
Wheel Hole Size
1/4" (6.4 mm)
Maximum Wheel Diameter
3" (76 mm)
Maximum Wheel Thickness
1/2" (12.7 mm)
Included Hardware
2 nuts and washers