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AVID POWER Angle Grinder 4-1/2 Inch 8.0 Amp 1000W Electric Grinder Tool 7-Variable-Speed Metal Grinder

AVID POWER Angle Grinder 4-1/2 Inch 8.0 Amp 1000W Electric Grinder Tool 7-Variable-Speed Metal Grinder

By AVID · Angle Grinders · Power Tools

  • 8.0 A motor
  • 1000 W output
  • 4-1/2 in disc
  • 3000-11500 RPM variable
  • 7 speed settings

Price not listed

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Used, refurbished, open-box

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Problems, parts and running costs

Summary

A corded 4-1/2 inch angle grinder with an 8.0 A / 1000 W motor and 7 variable speeds (rated 3,000-11,500 RPM) for DIY cutting, grinding and sanding.

Strengths

  • 7-stage variable speed control (about 2,000 to 11,500 RPM) enables sanding, polishing and cutting without burning workpieces.
  • 8.0 A / 1000 W motor maintains torque at lower speeds and did not bog down when cutting rebar.
  • Extended 13.58 in body provides leverage and keeps sparks away from the user’s face.
  • Texturized rubber over-mold grip stays secure; vibration dampening is good for the price class.
  • Paddle switch with safety tab and lock-on button reduces hand fatigue on long jobs.
  • Spindle lock and standard 5/8 in arbor accept third-party discs, wire wheels and flap discs; spare carbon brushes are in the box.

Weaknesses

  • Wheel guard orientation is tricky; some users find it fits “backwards” for certain cuts.
  • Initial plastic/new-motor odor during the first approximately 10 minutes of use.
  • Corded only; no cordless option.
  • No kickback brake or electronic brake, unlike premium models compared in the review.
  • Warranty duration and terms are not published on the manufacturer site.

Verified specifications

Motor8.0 A, 1000 W output.
Disc size4-1/2 in.
No-load speed3,000-11,500 RPM across 7 variable speeds.
Switchpaddle switch with lock-on button; safety tab prevents accidental startup.
Spindleintegrated spindle lock; standard 5/8 in threaded arbor compatible with third-party 4-1/2 in accessories.
Handle2-position side handle.
Guardwheel guard included.
Gripnon-slip texturized rubber over-mold.
Bodyextended body.
Spare carbon brushesone pair included.
Power sourcecorded AC; voltage is not stated on the manufacturer page (120 V assumed for the US market).
Weight4.2 lb.
MaterialsABS plastic body with rubber over-mold; gear-housing material not specified.
In the box1 x 8.0 A angle grinder, 2 x cutting wheels, 2 x metal grinding wheels, 1 x lock nut wrench, 1 x side handle, 1 x pair carbon brush.
Manufacturer direct price$56.99, listed “Sold Out” (Avid Power Tools, 2026-10-27).
Full research notes and sources

Speed and control

There is no electronic kickback brake, and the tool is corded only.

Ergonomics and build

The extended 13.58 in body and rubber over-mold grip provide leverage and comfort, and the paddle switch with safety tab and lock-on button reduces fatigue on long jobs. The wheel guard can be tricky to orient, and some users find it fits “backwards” for certain cuts. An initial new-motor odor may appear in the first minutes of use. Voltage is not stated on the manufacturer page; 120 V is assumed for the US market. The body is ABS plastic with rubber over-mold; gear-housing material is not specified.

Reliability, maintenance and warranty

Maintenance means cleaning the tool after use, replacing carbon brushes as needed (a spare pair is included), and inspecting and positioning the guard before each job. Carbon brushes are user-replaceable and the standard 5/8 in arbor avoids proprietary accessory lock-in; no public parts catalog for this SKU was found. Warranty duration and terms are not published on the manufacturer site; only a warranty-registration page exists, and the terms-of-use page is a privacy policy with no warranty terms. No long-term durability or failure-rate data was found for this exact model.

At $35-57, with included cutting and grinding wheels, a wrench, side handle and spare carbon brushes, and a standard 5/8 in arbor that accepts third-party accessories, it offers more versatility than many single-speed grinders in the same bracket. Manufacturer lists it at $56.99, marked “Sold Out” (Avid Power Tools, 2026-10-27); hardgears.com lists it at $35.00, discounted from $69.99 (hardgears.com, 2026-10-27). Above roughly $60, established brands with service networks become competitive, and the unpublished warranty duration is a reason not to overpay. Lowe’s carries Avid Power 4-1/2 in 8.0 A grinders; an exact price was not fetched, and an eBay listing exists with price not fetched.

Which model this is

This page covers the AVID POWER 4-1/2 inch corded angle grinder with 8.0 A / 1000 W motor and 7 variable speeds, SKU AG640-B for the blue variant; a red variant is sold as a separate listing. Manufacturer is Avid Power Tools (Sheng Qin Guang Zhou Dian Zi Shang Wu You Xian Gong Si), established 1998. The product is corded AC; voltage is not stated on the manufacturer page. Do not confuse it with AVID POWER’s 7.5-Amp/900 W, 6.5-Amp/750 W or 6.0-Amp 4-1/2 inch grinders, or the 20 V cordless 1000 W brushless model. The Amazon listing is ASIN B0D17PK4BN.

Sources

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