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3G Electric
3M 311-4109 Bullet Earplugs - Bullet-Shaped Earplugs
3MBullet-Shaped Earplugs

3M 311-4109 Bullet Earplugs

3G Electric supplies the 3M Bullet Earplugs (SKU 311-4109, MPN 311-4109), a 32 dB NRR, metal-detectable, corded, disposable, roll-down earplug in a 200-pack. These orange/yellow earplugs are designed for hearing…

SKU 3G-OTH-553673

Also listed as: 3114109 · 311 4109

Brand
3M
Item
311-4109 Bullet Earplugs
Part Number
311-4109
Category
Bullet-Shaped Earplugs
Available to Order
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.

Technical Specifications

3M
Manufacturer Part Number
311-4109
Type
32 dB NRR, Metal-Detectable, Corded, Disposable, Roll-Down, 200 PK
Earplug Color
Orange/Yellow
Style Subhead
Corded

Technical Documents

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3M Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

3G Electric supplies the 3M Bullet Earplugs (SKU 311-4109, MPN 311-4109), a 32 dB NRR, metal-detectable, corded, disposable, roll-down earplug in a 200-pack. These orange/yellow earplugs are designed for hearing protection in industrial environments, backed by our specialist expertise across 14 departments including safety and instrumentation.

Frequently Asked Questions

What are 3M Bullet Earplugs used for?

3M Bullet Earplugs provide hearing protection in industrial environments such as manufacturing, machining, and construction. Their 32 dB NRR rating reduces harmful noise exposure. The metal-detectable feature helps locate lost plugs in food processing or pharmaceutical plants, preventing contamination.

What are the specifications of 3M Ear Plugs 311-4109?

The 3M Ear Plugs 311-4109 are bullet-shaped, corded, disposable, roll-down earplugs with a 32 dB NRR rating. They are metal-detectable and come in orange/yellow color. Each pack contains 200 pairs. The manufacturer part number is 311-4109, and 3G Electric supplies this SKU 311-4109.

Where to buy 3M Bullet Earplugs worldwide?

3G Electric supplies 3M Bullet Earplugs (MPN 311-4109) worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance for delivery to any country. Contact us to order the 200-pack of metal-detectable, corded earplugs for your facility.

How to use 3M roll-down earplugs correctly?

To use 3M roll-down earplugs, roll the plug into a tight crease-free cylinder, then insert it into the ear canal while pulling the outer ear upward and outward. Hold until the plug expands to seal. The corded style prevents loss. Replace after each use for hygiene and consistent 32 dB NRR protection.

Used in

Common applications for 3M
Electrical maintenance — 3M Super 33+ electrical tape for insulating splices and bundling wires in control circuits.
Mining cable repair — 3M molded resin pouch for coating cable jackets in mine and portable cable applications.
Utility cable splicing — 3M cold shrink splice kit rated for 15 kV for insulating and repairing power cables.
Industrial wire harnessing — 3M 2520 series varnished cotton cloth tape for abrasion resistance in wire harnessing.
Structural bonding — 3M DP8005 acrylic adhesive for bonding plastics, metals, and composites in assembly operations.
Cable protection — 3M heat shrink tubing for sealing and protecting electrical connections from moisture and abrasion.
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3M Products

3G Electric supplies 3M bullet-shaped earplugs. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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These corded, disposable earplugs feature a bullet shape for comfortable fit and a roll-down design for easy insertion. With a 32 dB NRR rating, they reduce harmful noise in industrial environments. The metal-detectable construction aids in locating lost plugs, suitable for food processing or pharmaceutical facilities. Supplied in a 200-pack, yellow color
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These corded, disposable earplugs feature a bullet shape for comfortable fit and a roll-down design for easy insertion. With a 32 dB NRR rating, they reduce harmful noise in industrial environments. The metal-detectable construction aids in locating lost plugs, suitable for food processing or pharmaceutical facilities. Supplied in a 200-pack, yellow color
These 3M bullet-shaped earplugs are corded, disposable, and designed for roll-down insertion. They provide a 31 dB NRR for general-purpose hearing protection in environments such as manufacturing, construction, and machine shops. Each earplug is yellow, sized large, and the pack contains 200 pairs
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These 3M bullet-shaped earplugs are corded, disposable, and designed for roll-down insertion. They provide a 31 dB NRR for general-purpose hearing protection in environments such as manufacturing, construction, and machine shops. Each earplug is yellow, sized large, and the pack contains 200 pairs

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