28 rock drill pipe joint three-piece set

Drill pipe with tool joints can be determined by their configuration or upset on both ends. The upset of the drill pipe allows welding of the tool joints and can be categorized as: 1. Internal Upset (IU): The dril. [pdf]

28 type rock drill accessories

R28 drilling tools include : R28 button bit , R28 drill steel , R28 extension rod and Drifter rod ,These products used CNC machines and vacuum heat treatment. R28 Drifter rod and Extension rods are made by hollow drill steels; there are two shapes of extension rods, round type and hexagonal type. [pdf]

Rock drill cooling water pipe installation accessories

The longer your feed rail, the more important the addition of the energy chain becomes to the overall effectiveness of your machine. We offer a range of feed rail options from 6′ to 24′ for our Skid Steer and E. [pdf]

FAQS about Rock drill cooling water pipe installation accessories

Who is Keystone drilling services?

Together we have provided over a century of quality expertise in the industries we serve. Keystone Drill Services has over a century of drilling expertise! Our reputation has allowed us to represent the best manufacturers of drilling products in the world!

What DTH drilling tools do you offer?

We offer a complete range of DTH drilling tools including hammers, bits, pipes, adapters, breakout benches and grinding machines with consumables. The history of the down-the-hole hammer manufacturing goes back more than four decades. For the past 40 years and still today, our goal is to produce the best products for our customers.

Who is Keystone drill?

Keystone Drill is a manufacturer of drilling products for oil, gas, and construction industries. See all products at

Why should you choose N&N drilling supply?

Getting the right tooling sizes and styles for different types of casing or drill rods isn’t easy; to simplify the task N&N Drilling Supply offers a full line of quality sub adapters. As an industry pioneer, we understand the crucial role these components play in ensuring seamless and efficient drilling operations.