Choose with confidence

Rock Bits & Drill Rods Fit Guide

Use the photos and listed dimensions to identify the connection, then view matching accessories.

1-800-241-9669

How to match drill steel, threads and bits →

Identify the connection. Choose the accessory.

1

Match the Drill Shank

Use the chuck size selected on your rock drill.

2

Choose the Drilling System

Keep H thread, rope thread, taper rods and plug bits in their own systems.

3

Choose Length & Diameter

Rods and replaceable bits are separate parts. Match the system before choosing sizes.

Choose What You Need to Identify

View All Part Numbers →
View Illustrated Guide & Full Comparison Charts

Visual identification & comparison

Rock Bits & Drill Rods Buyer’s Guide

All Buyer’s Guides →

Compare the illustrated shape, connection and listed dimensions.

Compare A, B & C Series Shanks

A Series · 7/8" × 3-1/4" Hex Shank
A Series · 7/8" × 3-1/4" Hex
B Series · 7/8" × 4-1/4" Hex Shank
B Series · 7/8" × 4-1/4" Hex
C Series · 1" × 4-1/4" Hex Shank
C Series · 1" × 4-1/4" Hex

H Thread Rods & Rock Bits

H Thread Rods & Rock Bits
H Thread Rods & Rock Bits

H thread rods with cross carbide insert or button carbide insert bits. Rods and bits are listed as separate options.

View Sizes & Part Numbers

1-inch Rope / R25 / 100 Rods & Bits

Rope thread rods and Z series rock bits. Compare the shank, rod length and separate bit diameter.

View Sizes & Part Numbers

Taper Rods & Rock Bits

Taper Rods & Rock Bits
Taper Rods & Rock Bits

Replaceable-tip taper rods with cross carbide insert or button carbide insert bits.

View Sizes & Part Numbers

C9 Series Plug Bits

1 piece plug bits with a 3/4-inch round shank and four slots. Compare the listed drilling depths and diameters.

View Sizes & Part Numbers

Not certain of the match? Call 1-800-241-9669 before ordering or using the accessory. Have your tool model and the chart’s part number ready.

Choose a Matching Accessory

Open an accessory to compare its listed sizes and part numbers.

View All Part Numbers →

Contact & Quotes

Tell us which tools or parts you need.

1-800-241-9669 Request A Quote [email protected]

Contact & Quotes

Let’s Find The Right Tool.

Send an inquiry to Mining Auger & Tool Works.

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