3M™ E-A-R™ Skull Screws™ Earplugs

  • Tough look of threaded metal
  • Ultra soft foam tips feel comfortable for extended wear
  • Noise reduction rating (NRR)*: 32 dB
  • Unique shape and color appeals to some users to help with compliance
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For industrial/occupational use only. Not for consumer sale or use.
All Options
Attribute Name
Attenuation Rating
30 Decibel, 32 Decibel
Case Quantity
480 Pair, 500 Pair
Color Family
Cord Color
No, Yes
Cord Material
Cord Type
None, Vinyl
CSA Class
CSA Class AL
Dispenser Available
Earplug Color
Earplug Material
Earplug Shape
Earplug Size
Regular, Regular
Electrically Insulated
Green Certification or other Recognition
Green Environmental Attribute
Hearing Protection Style
Corded, Cordless
Hearing Protection Type
Insertion Style
Metal Detectable
Moisture Resistant
Poly bag, Vending Pack
Pairs Per Package
Product Series
Product Type
Recommended Application
Assembly, Blasting, Cleaning, Composite Finishing, Demolition, Electrical, Facility Maintenance, Final Finish, Grinding, Machine Operation, Paint Preparation, Painting, Sanding, Welding
Recommended Industry
Automotive, Commercial Buildings, Construction, Design & Construction, General Manufacturing, Heavy Infrastructure, Industrial Maintenance, Manufacturing, Marine, Metal Fabrication, Military Maintenance, Military Maintenance, Repair & Operation (MRO), Mining, Oil & Gas, Pharmaceutical, Repair & Operation (MO), Transportation
Roll-Down Required
Push-to-fit Foam
One Size Fits Most
Slow-Recovery Foam
  • Tough look of threaded metal
  • Ultra soft foam tips feel comfortable for extended wear
  • Noise reduction rating (NRR)*: 32 dB
  • Unique shape and color appeals to some users to help with compliance
  • Available with or without cords to suit user preference
  • CSA Class AL
  • *U.S. EPA specifies the NRR as the measure of hearing protector noise reduction. However, 3M makes no warranties as to the suitability of the NRR for this purpose. 3M strongly recommends personal fit testing of hearing protectors. Research suggests that users may receive less noise reduction than indicated by the attenuation label value(s) on the packaging due to variation in fit, fitting skill, and motivation of the user. Refer to applicable regulations or guidance on how to adjust attenuation label values. It is recommended that the NRR be reduced by 50% to better estimate typical protection.

3M™ E-A-R™ Skull Screws™ Earplugs bring rugged style as well as noise reduction. Even though they look like threaded metal, these ear tips are made with ultra soft foam to help comfortably protect the wearer. The large foam ear tips of these push-to-fit earplugs are inserted into the ear canal with a simple push of the firm plastic fitting stems.

The plastic fitting stems are designed to help with insertion and removal of the ear tips, even if wearing gloves, helping ear tips stay clean longer. The ultra-soft conical shaped ear tip with raised ribs that look like screw threads and the fitting stem in the shape of a Phillips head screw provide an overall look that might appeal to some users to help with compliance. The large cone shaped ear tip is designed to help fit a variety of ear canal shapes and sizes. This product is EARfit testable to help validate the level of protection the individual user is getting.

Large Volume Order
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For industrial/occupational use only. Not for consumer sale or use.

3M industrial and occupational products are intended, labeled, and packaged for sale to trained industrial and occupational customers for workplace use.  Unless specifically stated otherwise on the applicable product packaging or literature, these products are not intended, labeled, or packaged for sale to or use by consumers (e.g., for home, personal, primary or secondary school, recreational/sporting, or other uses not described in the applicable product packaging or literature), and must be selected and used in compliance with applicable health and safety regulations and standards (e.g., U.S. OSHA, ANSI), as well as all product literature, user instructions, warnings, and other limitations, and the user must take any action required under any recall, field action, or other product use notice.  Misuse of 3M industrial and occupational products may result in injury, sickness, death, or property damage.  For help with product selection and use, consult your on-site safety professional, industrial hygienist, or other subject matter expert.