Diamond Core Bit UNC M16 Quick Connect Adapter

Purpose-built steel adapter facilitating rapid, secure attachment of 1-1/4"–7" UNC-threaded diamond core bits to M16-threaded drilling machines. Length: ~3.8 cm; max diameter: ~32 mm; weight: ~180 g. Features full-profile UNC and M16 threads cut to ISO metric and UN standard specifications. Surface: black oxide for grip and mild corrosion resistance. Intended for professional core drilling in construction, civil engineering, and facility management — supports both manual and machine-fed applications including wall, floor and slab penetration work. Not suitable for SDS-plus or other rotary hammer chucks; designed solely for core drill spindle interfaces.