National 3420 7 Inch Hand-Held Grinder
National Flooring Equipment
National 3420 7 Inch Hand-Held Grinder
$691.71
Unit price
SETTING THE INDUSTRY STANDARD FOR MOBILITY, ADAPTABILITY, AND DURABILITY!
National 3420 7" Hand-Held Grinder
Features
The durable convertible polyurethane dust shroud enables detailed dustless edge grinding.Ideal for working around walls, drains, door jams and stairs.
A full line of HEPA dust collectors is available for use with this hand-held grinder; attachable via the two (2) inch inlet port connector located on the convertible dust shroud.
The loop handle enables superior grinding precision, the reduction of swirl marks and a decrease in operator fatigue.
Works with multiple styles of turbo discs and diamond cup wheels.
Polyurethane convertible dust shroud loop Handle Adapter Nuts
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Specifications
Disk Size: 7" Voltage: 115 Hz: 60 Amps: 15 RPM: 6600 Weight: 16 lbs
Quantity
Guides for this tool
How-to, setup and maintenance from the PreFloor Knowledge Center.
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Grind, Shot Blast or Scarify? Choosing a Prep Method
Diamond grinding, shot blasting and scarifying compared: the surface profile each produces, what each removes, and how to pick one for the job.
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Edge Grinding Along Walls and Columns
Grinding the last inches along walls and columns with a shrouded hand grinder or a planetary's edge mode, matching the field, and OSHA Table 1 for handheld g...
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Grinding Off Thinset, Mastic and Glue Residue
Getting thinset, mastic and glue residue off concrete: testing first, choosing between PCD, metal bonds and floor-machine attachments, and handling the dust.
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Diamond Tooling: Bond Hardness and Grit Selection
How to match diamond bond hardness to the slab, which grit does what, when to use PCD instead, and how to tell your tooling is wrong.
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