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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Description

🔗 Lock in strength, unlock your adventure!

PEACE OF MIND WARRANTY - Backed by a 24-month unconditional warranty and lifetime friendly support—quality you can trust on every trip.
SECURE SCREW LOCK SAFETY - Manual screw gate lock minimizes accidental openings—your gear stays exactly where you want it.
VERSATILE OUTDOOR ESSENTIAL - From hammocks to dog leashes, camping to keychains, these carabiners adapt seamlessly to your active lifestyle.
AEROSPACE ALUMINUM DURABILITY - Crafted from premium 7075 aluminum for rust-free, heavy-duty performance that lasts through every adventure.
UNMATCHED STRENGTH ZERO BULK - Certified 12KN (2697 lbs) breaking strength with featherlight 29g design—carry power without the weight.

The B-Mardi Ultra Sturdy Locking Carabiner Clips are precision-engineered from aerospace-grade 7075 aluminum, delivering a robust 12KN (2697 lbs) breaking strength while weighing just 29 grams. Featuring a secure manual screw lock and wire gate design, these versatile D-shaped carabiners are perfect for camping, hiking, hammocks, dog leashes, and more. With a compact palm-sized form factor and a 24-month warranty, they combine durability, safety, and convenience for the modern outdoor enthusiast.

Specifications

Colour	Locking Black/Orange 3
Material	Aluminium
Brand	B-Mardi
Item Weight	0.7 Ounces
Recommended Uses For Product	Keychains Hammocks Camping Hiking Dog Leash Harness Backpacking Outdoor and Gym etc
Shape	D-Shape
Lock Type	Wire Lock
Product Dimensions	8L x 4.8W Centimeters
UPC	722737733005
Maximum Weight Recommendation	2697 Pounds
Manufacturer	B-Mardi
Batteries Included	No
Frame material	Aluminum
Weight	20 g
Material Type	Aluminium
Outer Material	Aluminum
Size	S
Features	Lightweight, Locking
Usage	camper
Sport	Multi-Sport
Style	All-season
Country of Origin	USA

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