API Connection Pin Box Drill Bit Extension Rod DTH Drill Pipe 3000mm

Product name: API Connection Pin Box Drill Pipe

Product category: Drilling PIPE

Threaded Connection: API 3-3/8 API REG

Length: 3000mm

KINGDRILLING DRILL PIPE DESCRIPTION:

DTH drill rods (also called as drill tubes or drill pipes) are the mechanism to transmit impact force and rotation torque to DTH hammers and bits, as well as offer pass for the air flow.

They are are used for blast hole drilling and water well drilling project. Working with DTH drilling pipe and DTH drill bit, mainly applied in Mining, Marble quarry or well drilling and other construction projects.

KINGDRILLING Ddrill pipe features:

1.Application in hard, very hard,and medium soft rock formation.

2.Reliable quality, long service life, rare abnormal breakage during service life.

3.Good flushing effect to ensure high drilling rate.

Order Guide: Length + Diameter + Connection Thread + Wall Thickness

Packing : DTH drill pipe will pack in cardboard and plywood case.

Shipping : DTH drill pipe anchor drill bits will ship by sea , by air , by Express , etc .

KINGDRILLING thread drill pipe advantages:

1.High quality: High carbon steel with advantaged procession
2.Competitive price:Cheap price because of direct factory price.

3.Problems solve ability:This ability comes from our rich experiences at the drilling tools industry.

4.Fast delivery time:usually it takes 25 days for production.Only 2 or 3 days if we have stock of your request size.
5.Best quality control:We have our own experienced QC team,there will be strict inspection and testing for every order before shipping out.
6.OEM,ODM service:your own request about product will be served well.
7.Best after service:We will go to your place to check and solve the problems if there.

FAQ:

1. What is a drill rod?

A drill rod is a form of bar stock machined to produce tools such as drill bits, taps, dowel pins, shafts, reamers, files, punches and hammers. It's soft enough to shape but can be heated up to revert back to the hardness. Drill rods are manufactured from tool steel that has been ground to a tight tolerance diameter.

2. What type of steel is drill rod made of?

annealed tool steel

Drill rod is made of annealed tool steel with a Rockwell hardness ranging from 96 to 110 rb. It is typically soft enough that it can be easily machined, although it is hard enough to use in some applications without heat treatment.

3. How are drill rods made?

Drill rods are manufactured by cutting a pin and a box thread directly onto the steel tube – the drill rod is therefore a one-piece construction. All standard wireline drill rod is manufactured in this way.

4. How do you harden a hardening drill rod?

HEAT TREATMENT Sections smaller than ¼” heat to 1450°-1475°F and hold until heated through. For larger sections, preheat to 1200°F, the raise to 1450°-1500°F to hardening temperature, hold one-half hour per inch of cross section. Quench in oil at 125°-150°F and TEMPER IMMEDIATELY.

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