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Black straight die grinder with safety-lock throttle lever and two collet inserts

Dynabrade Products

Dynabrade Products 47201 Straight Die Grinder pneumatic components power

SKU CH-X9ZP-DP209

Straight die grinder delivering 0.4 hp at 3,200 RPM with safety-lock throttle and 1/4 in NPT female inlet

  • MaterialHAWA
  • Heavy-duty performance driven by .4 hp motor
  • Precise finishing at 3,200 RPM maximum speed
  • Versatile material handling for carbon fiber, composites, fiberglass and metal
  • Dual collet compatibility with 1/4 in and 6 mm inserts included
  • Safety-lock throttle lever prevents accidental start-up

Dynabrade 47201 Straight Die Grinder

The Dynabrade 47201 is a straight pneumatic die grinder built for heavy-duty material removal on carbon fiber, composites, fiberglass and metal. It suits professional technicians and fabricators who need a compact, high-speed air tool for precision grinding, deburring and finishing tasks in industrial or automotive workshops.

Thermals noise and power draw

The grinder runs on compressed air at a maximum speed of 200 RPM with a 0.4 hp motor, so heat and noise levels depend on the supply system rather than an internal electric motor. A safety-lock throttle lever helps prevent accidental starts, reducing unnecessary air consumption and operator fatigue during extended use.

Upgrade path and when it matters

This tool replaces worn or lower-powered straight grinders that lack a safety-lock throttle or dual collet compatibility. The jump is worth it when a job requires both 1/4 in and 6 mm collets, supplied as Mfr. No. 50013 and 50016, for quick bit changes across different shank sizes without buying separate accessories.

Highlights

  • Heavy-duty performance driven by .4 hp motor
  • Precise finishing at 3,200 RPM maximum speed
  • Versatile material handling for carbon fiber, composites, fiberglass and metal
  • Dual collet compatibility with 1/4 in and 6 mm inserts included
  • Safety-lock throttle lever prevents accidental start-up

Specifications

BrandDYNABRADE
MaterialHAWA

Questions about this item

How do I connect the 1/4 in NPT female air inlet on the 47201, and what fitting mistake should I avoid?

Thread a 1/4 in NPT male fitting into the inlet using thread sealant; do not use a quick-connect plug directly on the NPT threads or it will leak.

Which collet inserts wear out and need replacing on the 47201?

The 1/4 in insert Mfr. No. 50013 and 6 mm insert Mfr. No. 50016 grip the accessory shank; replace either when run-out increases or the nut no longer clamps firmly.

At 3,200 RPM what limits continuous use of the 47201 first?

The 0.4 hp motor and straight housing dissipate heat through the air stream; prolonged high-load grinding will cause the body to overheat before the throttle or collet fails.

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