3 Inch Diamond Core Drill Bit - 1-1/4"-7 Thread for Concrete with Rebar | Dekuch

About this item

Product Overview

This 3-inch diamond core drill bit with 1-1/4"-7 thread is designed for professional-grade drilling through the toughest construction materials. Whether you're a contractor or a DIY enthusiast, this bit delivers efficient, precise holes for installations and renovations.

Key Features

• Specification: Diameter: 3 inches, drilling depth: 15-3/4 inches (400mm), thread: 1-1/4"-7 standard thread. Fits most standard core drill machines.
• Simple Operation: Supports wet drilling for concrete. Start at a 15° angle, then move to vertical for stable operation. Using water extends service life; dry drilling is acceptable for softer materials.
• Efficient & Smooth Drilling: High-quality diamond grit ensures sharp, consistent cutting and longer service life. Recommended for use with handheld core drills or dedicated rigs.
• Humanized Structure: Precisely engineered sawteeth and concentric axis design for high drilling efficiency and exceptional durability.
• Versatile Uses: Ideal for concrete, brick, tile, masonry, reinforced concrete, stone, and more. Used for installing air conditioners, pipes, stair railings, and other projects.

Shipping & Returns

Ships from a United States warehouse. Free shipping may be available. 7-day easy return and 30-day after-sales support. Taxes calculated at checkout.