Will the screw lock fastener strip from the carabiner?

No. If I understand your question, the screw locks do not come off.

Would these work with straps to secure a 170lb mobility scooter to a hitch carrier?

It should since advertised breakpoint is past 2000 lbs

What is the widest diameter of the carabiner itself?

The overall l eight is about 3 1/8” inches, inside length is about 2 1/4”

How many grams does each carabiner actually weigh (I know what product description says, I'm interested in actual customer measurements)?

Hello.Each is 20 grams (0.7 ounces)

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B-Mardi Carabiner Clips Heavy Duty 12kN (2697 lbs)-Lightweight Locking Carabiners for Camping, Hiking, Hammock, Dog Leash Harness, Outdoor and Gym etc, Keychains& Utility

Product ID: 135991033

Details

Brand
B-Mardi
Color
Locking 3
Item Weight
0.7 Ounces
Material
Aircraft 7075
Recommended Uses For Product
Keychains Dog

🔒Secure manual screw lock gate

🔩12kN (2697 lbs) breaking strength

🪶Lightweight 29g aluminum build

€ 22.03

Duties & taxes included

In stock

Sold byAmazon CroatiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔗 Lock in strength, unlock your adventure!

FEATHERLIGHT POWER - Weighs just 1.02 ounces—carry heavy-duty reliability without the bulk.
EFFORTLESS SECURITY - Manual screw lock gate minimizes accidental openings, keeping your gear safe and sound.
CONFIDENCE GUARANTEED - Backed by a 24-month warranty and lifetime customer support for worry-free use.
AEROSPACE GRADE STRENGTH - Crafted from premium 7075 aluminum for unmatched durability and rust resistance.
VERSATILE ADVENTURE ESSENTIAL - Perfect for camping, hiking, dog leashes, gym gear, and everyday carry—never leave home unprepared.

The B-Mardi Carabiner Clip combines aerospace-grade 7075 aluminum construction with a heavy-duty 12kN (2697 lbs) breaking strength, all in a lightweight 29-gram design. Featuring a secure manual screw lock gate, it’s engineered for versatile outdoor and everyday use—from hiking and camping to gym and dog harnesses. With rustproof durability and a 24-month warranty, it’s the reliable clip that professionals and adventurers trust.

Specifications

ASIN	B07RL3HKH8
Best Sellers Rank	#900 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #1 in Nonlocking Climbing Carabiners
Brand Name	B-Mardi
Color	Locking Black/Orange 3
Customer Reviews	4.7 4.7 out of 5 stars (4,625)
Item Dimensions L x W	3.15"L x 1.89"W
Item Weight	0.7 Ounces
Lock Type	Screw Lock
Manufacturer	B-Mardi
Material Type	Aircraft 7075 Aluminum
Recommended Uses For Product	Keychains Hammocks Camping Hiking Dog Leash Harness Backpacking Outdoor and Gym etc
Shape	D-Shape
UPC	722737733005
Unit Count	1.0 Count
Warranty Description	3 Years

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