Drop-in Anchor

Drop-in Anchor — Flush-Mount Internal Threaded Anchor for Concrete | Lipped & Non-Lipped

Drop-in anchors are internally threaded expansion anchors designed for flush-mount concrete applications. Installed by pre-drilling and setting with a special tool, they provide a flush, permanent threaded socket in concrete. Ideal for overhead and repetitive installation applications where fixtures are removed and replaced regularly.

Material & Specifications

Size Range	M6 to M20 / 1/4″ to 3/4″
Material	Carbon Steel (Grade 4.8, 5.8), 304 Stainless Steel (A2), 316 Stainless Steel (A4)
Surface / Coating	Zinc Plated, Black Oxide, Stainless Steel
Standard	DIN, ISO, ASTM A36

Key Features

• Flush installation – no protrusion above concrete surface
• Lipped version available for precise positioning
• Easily accepts standard metric or imperial threaded bolts
• Ideal for repetitive fixture removal and replacement

Applications

• Threaded rod ceiling hangers
• Formwork and temporary structures
• Overhead pipe and HVAC supports
• Precast concrete connections

Why Choose BoltNutsPlus?

• ISO 9001:2015 Certified Manufacturing — consistent quality you can trust
• 15+ Years of Export Experience — serving 40+ countries worldwide
• Full Traceability — material certificates and test reports included
• Custom Packaging & OEM/ODM — your brand, your specifications
• Third-Party SGS / Bureau Veritas Inspection Available
• 24-Hour Quote Response — same-day reply for urgent requirements