Standard General Purpose Wet Diamond Core Drill Bit 1–12 in

1. Product Overview

The Alskar Standard General Purpose Wet Diamond Core Drill Bit is designed for routine wet concrete coring where practical performance and purchase cost both matter. Its Standard-grade configuration combines a segmented diamond rim with silver-brazed attachment to the steel barrel, offering an economical option for general drilling work.

The listed range includes 13 diameters from 1 to 12 inches, with a 14-inch (355.6mm) tube length. Each size uses .395-inch-high diamond segments, while segment width varies with diameter. Inch and millimeter references help customers compare the listed dimensions and specify their requirements.

Choose the bit by hole diameter, machine connection and drilling setup. For equipment requiring a different interface, Alskar can assess your specification and confirm whether a suitable connection or adapter can be supplied before you order.

2. Core Selling Points

Economical Standard-Grade Option

A practical, value-focused choice for routine general-purpose wet coring.

Silver-Brazed Diamond Segments

The diamond segments are silver-brazed to the steel barrel. This identifies the segment attachment method used in the series.

.395-Inch Segment Height

All listed sizes feature a .395-inch segment height, approximately 10mm. Segment widths are matched to diameter and range from .140 to .180 inch.

14-Inch Tube Length

The tube length is 14 inches (355.6mm). Tube length is specified separately from overall product length and effective drilling depth.

13 Listed Diameters

Choose from 1, 2, 2.5, 3, 3.5, 4, 4.5, 5, 6, 7, 8, 10 and 12 inches. Metric values in the table are conversions of these inch sizes.

Machine-Matched Connection Selection

The currently listed configurations use 5/8″-11 for the 1-inch bit and 1-1/4″-7 for the other listed diameters. These specifications describe the configurations in the size table.

For machines using a BSP, metric-threaded or proprietary connection system, provide the drill brand, model and complete interface specification. Include male/female details and a connection photograph or drawing. Alskar will confirm whether a suitable connection or adapter can be supplied, together with pricing and lead time, before ordering.

Wet Drilling Only

Use this series with compatible water-fed diamond core drilling equipment. Match the bit and operating setup to the drilling machine instructions.

3. Recommended Applications

General-purpose concrete coring for routine construction and installation work where the selected diameter, working depth and machine configuration match the hole requirement.

4. Recommended Equipment & Connection Matching

• Equipment: Compatible water-fed diamond core drilling equipment.
• Cutting Method: Wet drilling only.
• Listed 1-inch connection: 5/8″-11.
• Listed 2–12-inch connections: 1-1/4″-7.
• Other connections: Inquiry required; availability and compatibility must be confirmed.
• Provide: machine brand/model, required interface, full thread specification, male/female orientation, required diameter and tube length.

5. Fixed Specifications

6. Size Specifications — Currently Listed Configurations

All listed sizes: 14-inch (355.6mm) tube length. Metric equivalents are conversions of the supplied inch dimensions; they are not separate nominal metric products.

7. FAQs