29 CFR 1910 · General Industry · Subpart O

1910.215(a)(1): Abrasive Wheel Machine Guarding

By Black Belt Safety Editorial Team Official text as of octubre 15, 2026 Data updated octubre 20, 2026 3 min read

In plain words:

Employers must use abrasive wheels only on machines with safety guards as defined in this section. Exceptions are wheels used for internal work while inside the work, mounted wheels 2 inches and smaller in diameter used in portable operations, and Types 16, 17, 18, 18R and 19 cones, plugs and threaded hole pot balls where the work offers protection.

Key takeaways

  • 1910.215(a)(1) is part of OSHA's general industry standards (29 CFR Part 1910, Subpart O).
  • OSHA cited it 77 times in the last 3 years, in 77 inspections, with $112,400 in current penalties.
  • Most citations: OR (16), IL (10), NY (6).
  • Related part: 1910.215(a) General requirements (1,234 citations).
  • Free 5-minute toolbox talk for your crew below.
77citations, 3 years
$112,400current penalties
77inspections
0linked injury cases
In this article
  1. What this rule covers
  2. Official text
  3. Where and how often it was cited
  4. Free toolbox talk
  5. OSHA interpretation letters
  6. Related parts of this rule
  7. Get your crew competent
  8. Frequently asked questions
  9. About this page

What this rule covers

29 CFR 1910.215(a)(1) ("Machine guarding") is one requirement inside 1910.215 Abrasive wheel machinery, an OSHA general industry standard (Part 1910, Subpart O). It includes 3 sub-paragraphs. The official text below is copied word for word from the Electronic Code of Federal Regulations (eCFR). The numbers, injury cases and training on this page show how OSHA enforces it on real job sites.

Official text

(1) Machine guarding. Abrasive wheels shall be used only on machines provided with safety guards as defined in the following paragraphs of this section, except: 77 citations

(i) Wheels used for internal work while within the work being ground;

(ii) Mounted wheels, used in portable operations, 2 inches and smaller in diameter; and

(iii) Types 16, 17, 18, 18R, and 19 cones, plugs, and threaded hole pot balls where the work offers protection.

Source: eCFR, text current as of 2026-10-15. Read all of 1910.215.

Where and how often it was cited

YearCitations
20235
202433
202529
202610

Top states: OR (16), IL (10), NY (6), TX (6), PA (6)

Largest penalties

EmployerLocationPenalty for this rule
MARDINLY ENTERPRISESBROOMALL, PA$11,585
157553 - PARTON LUMBER COMPANY, INC.RUTHERFORDTON, NC$7,340
DAMON INDUSTRIESSPARKS, NV$5,793
BLUE MOUNTAIN MACHINE, INCORPORATEDLEHIGHTON, PA$5,000
HILL COUNTRY STEEL, L.P.CONVERSE, TX$4,840

Free toolbox talk

A 5-minute crew talk on 1910.215(a)(1), plus alerts when this rule changes. Free.




OSHA interpretation letters

Related parts of this rule

Get your crew competent

Trainers on Black Belt Safety: Marc Harvey, Dana Reyes

Trainers and suppliers: feature your business on this rule for $25/month.

Frequently asked questions

Can an abrasive wheel be used without a guard?

Only in the listed exceptions; otherwise it must be on a machine with a safety guard.

Are small mounted wheels exempt?

Mounted wheels used in portable operations, 2 inches and smaller in diameter, are exempt.

What other wheels are exempt?

Wheels used for internal work within the work being ground, and Types 16, 17, 18, 18R and 19 cones, plugs and threaded hole pot balls where the work offers protection.

About this page

Sources

3-year window. Federal OSHA only; state-plan rules are not counted. Plain-language text is a summary, not legal advice; the official text controls. Black Belt Safety is not part of OSHA or the Department of Labor.

Written and reviewed by

Black Belt Safety Editorial Team

Site Safety Officer and Safety Professional

OSHA 30 · CPR · USACE CQM

Written and reviewed by the Black Belt Safety team. Every post is checked against the OSHA standard or agency source it cites.

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