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Polygonal Kelly Dth Drill Rods Pipe With Taper Small Pitch Thread

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Polygonal Kelly Dth Drill Rods Pipe With Taper Small Pitch Thread

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Brand Name : SHITAN

Model Number : ST

Certification : ISO9001

Place of Origin : Hebei China

Payment Terms : L/C, T/T

Delivery Time : 15 working days

Packaging Details : Wooden cases standard export package

Type : Drill Pipe,drill rod

Material : High Manganese Steel

Processing type : Forging

Use : Ore Mining,Well Drilling,rock drilling

Length : Customized

Application : Quarry,rock drilling,water well drilling

Color : black or as per your request

Product name : Professional manufacture supply rock drill rod

Usage : Rock drilling,Mining

Advantage : Long use life,High Wear Resistant,high quality factory price

Key words : drill rod

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Polygonal Kelly Drill Rod Pipe with Taper Small Pitch Thread for Mining And Well Drilling Rig Machine

The Kelly Drill Rod is made of alloy steel, and the two ends are specially heat-treated to be processed into a taper small pitch thread. The shape is a regular polygon according to the drill rig's spindle, and the torque of the drill rig is passed through the drill string and finally transmitted to the drill bit at the bottom. It has the characteristics of high cost efficiency, good wear resistance and long service life.

Drill rod Parameters

Kelly Parameters
SPEC Cross Section Shape Length Overall (m) Pipe Body ID (mm) Arc Slot Size (mm) Top Thread(LH) Bottom Thread Surface Hardening
Thread Pitch (Number of Thread per Inch) (mm) Taper Length (mm) Thread Pitch (Number of Thread per Inch) (mm) Taper Length (mm)
Φ45×38×Φ25 Flat Square 4 25 R6.5 6.35(4) — 43 2.54(10) 1:16 50 HRC45-52
Φ51×46×Φ25 Hexagon 6 25 R7 6.35(4) — 45 2.54(10) 1:16 50 HRC45-52
Φ59×53×Φ28 Hexagon 4.5 28 R7.75 2.54(10) 1:16 55 2.54(10) 1:16 55 HRC45-52
Φ59×53×Φ28 Hexagon 4.8 28 R7 4.233(6) 1:5 50 2.54(10) 1:16 55 HRC45-52
Φ59×53×Φ28 Hexagon 6 28 — 2.54(10) 1:16 55 2.54(10) 1:16 55 HRC45-52
Φ65×55×Φ28 Flat Square 7 28 — 2.54(10) 1:16 55 2.54(10) 1:16 55 HRC45-52
Φ89×75×Φ45 Flat Square 7 45 — 3.175(8) 1:16 60 3.175(8) 1:16 60 HRC40-45
Φ89×79×Φ37 Hexagon 5.5 37 R12 4.233(6) 1:5 50 2.54(10) 1:16 65 HRC40-45
Φ89×79×Φ45 Hexagon 6 45 — 10 — 85 10 — 85 HRC40-45
Φ89×79×Φ45 Hexagon 7 45 — 3.175(8) 1:16 60 3.175(8) 1:16 60 HRC40-45
Φ89×79×Φ45 Hexagon 9 45 — 3.175(8) 1:16 60 3.175(8) 1:16 60 HRC40-45
1. The bottom thread parts quenching and tempering treatment.
2. We can apply designated connection and length as per customers' requirement.

1) How do you take care when your clients received defective products?


A: replacement. If there are some defective items, we usually credit to our customer or replace in next shipment.


2)How do you check all the goods in the production line?


A: We have spot inspection and finished product inspection. We check the goods when they go into next step production procedure.

Polygonal Kelly Dth Drill Rods Pipe With Taper Small Pitch Thread


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Kelly Dth Drill Rods

      

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