Diamond Core Drill Bits - Esch Muscle Bits™ Diamond Precast Bits - 7/8" - 16"

Esch Muscle Bit™ – Wet Diamond Core Drill Bit for Precast Concrete

The Esch Muscle Bit™ is a heavy-duty, wet-use diamond core drill bit built specifically for precision coring in precast concrete. Engineered with premium, performance-enhancing diamonds, this bit delivers clean, fast holes even in dense and reinforced precast material.

Built for Precast Core Drilling

Whether you’re coring for inserts, electrical, plumbing, or anchors, this bit is designed to tackle the challenges of precast concrete with speed and control. The diamond segments cut through tough material cleanly—without blowing out the back side or slowing you down.

Benefits of Wet Drilling

Wet drilling with the Muscle Bit™ keeps the bit cooler and reduces wear, helping you get more life out of each segment. Water also keeps dust to a minimum—important for indoor jobs and dust-regulated sites.

Durable and Reliable

These bits are manufactured with high-grade materials and tight tolerances to meet the demands of daily use. Long segment life, consistent cutting speed, and job-proven reliability make the Muscle Bit™ a smart choice for precast coring pros.

Key Features:

• Designed for coring precast concrete
• Wet use only – improves bit life and reduces dust
• Precision diamond segments for clean, efficient cutting
• Available in diameters from 2" to 16"
• Threaded to fit most core rigs

Get fast, clean results when coring precast concrete. The Esch Muscle Bit™ is the trusted tool for contractors who can’t afford downtime. Need help choosing a size or setup? Contact our team for support.