I have very little space behind the drywall. Maybe 1/2 inch. Will these work?

Many thanks for your question and for considering Bullfix. The Bullfix Universal fixings can be used in cavities as small as 7mm, so yes, this choice would be perfect for you!

what is the minimum wall thickness?

Good question. The Bullfix Universal and Bullfix Extra fixings are designed for use on plasterboard of standard thickness, which is between 12.5mm and 16mm. I hope this helps.

I need longer screws than were provided, will these work with a #10-24? So a size 10 with a thread pitch of 24.

Yes, that would be correct. #10 screws.

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🔩 Secure your space with Bullfix — the anchor that means business!

NO MORE GUESSWORK - Patented design ensures wings fully open before screwing, eliminating installation errors.
HEAVY DUTY STRENGTH - Supports up to 255lbs on standard drywall for your heaviest mounts.
QUICK RELIABLE SETUP - 5 simple steps to secure shelves, mirrors, and TVs with confidence and ease.
ALL IN ONE STARTER PACK - Comes with 10 anchors, screws, and a precision drill bit for seamless installation.
UNIVERSAL COMPATIBILITY - Works on any cavity drywall with just 1/4” space—versatility that fits every project.

Bullfix Universal Drywall Anchors deliver professional-grade holding power up to 255lbs, outperforming traditional toggle bolts and butterfly anchors. Featuring a patented wing design that guarantees proper expansion, this starter pack includes 10 anchors, screws, and a 13/16” spade drill bit for quick, foolproof installation on any standard drywall cavity. Engineered in the USA with corrosion-resistant materials, Bullfix is the go-to solution for securely mounting shelves, mirrors, cabinets, and flat or tilted TVs—perfect for millennial pros who demand reliability and efficiency in every project.

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€ 107.64

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Farhan Q.

The delivery time was excellent, and the packaging was secure.

2 months ago

Anita G.

Good experience, but the tracking updates could be better.

2 months ago

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Fastener Type	Bolt, Hollow
Head Style	Button
Finish Type	Yellow Zinc Plating or Hot Dipped Galvanized, Galvanized
Shape	Round
Item Diameter	5 Millimetres
Thread Size	3/16"-16
Number of Pieces	10
Compatible groove diameter	2E+1 Millimeters
Maximum Shear Strength	116kg
Manufacturer	Bullfix
Country of Origin	USA
Item part number	Universal-S
ASIN	B091B9ZTRT

Bullfix Universal Drywall Anchors, Holds up to 255lbs, Hollow Wall Anchors, with Drill Bit, Stronger Than Toggle Bolts and Butterfly Screw - Patented Design - Starter Pack

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