Forney 71985 Type 29 Flap Disc, 4-1/2" x 7/8", ZA40 Zirconia Alumina, 40 Grit, 13,300 RPM

Forney 71985 Type 29 Flap Disc, 4-1/2" x 7/8", ZA40 Zirconia Alumina, 40 Grit, 13,300 RPM

• This abrasive flap disc is used for rough or fine finishing on ferrous metal and stainless steel. Its Type 29 profile is suited to grinding and finishing applications with right angle grinders.
• Features:
  • Multiple layers of zirconia cloth flaps continually expose fresh abrasive grinding points during use.
  • Reinforced fiberglass backing plate provides structural support for the abrasive flaps.
  • Each disc is balance tested for vibration-free grinding and finishing.
  • Manufacturer testing states the zirconia flap construction outlasts conventional sanding discs by up to 10-to-1.
• Specifications:
  • Manufacturer: Forney
  • Part Number: 71985
  • Wheel Size: 4-1/2"
  • Arbor: 7/8"
  • Wheel Type: Type 29
  • Abrasive Specification: ZA40
  • Abrasive Grain: Zirconia alumina
  • Grit: 40 medium
  • Backing Material: Fiberglass
  • Maximum Speed: 13,300 RPM
  • Tool Type: Right angle grinder
  • Applicable Materials: Ferrous metal and stainless steel
• The Forney Type 29 Flap Disc can also be referred to as zirconia flap disc, 40 grit flap disc, angle grinder flap disc, metal grinding flap disc, and abrasive finishing disc.

Forney Industries is a family-owned welding and metalworking company founded in 1932. Its product categories include welding, abrasives, personal protective equipment, and shop tools.

Q: What is the maximum operating speed of the Forney 71985?
A: The maximum operating speed is 13,300 RPM.

Q: What backing material is used on this flap disc?
A: The disc uses a reinforced fiberglass backing plate.

Q: What abrasive material does the Forney 71985 use?
A: It uses zirconia alumina abrasive with a ZA40 specification.