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Drill rods are manufactured from cold drawn steel tubing and have square threads. Each rod is furnished

with one flush coupling. The "W" Design drill rod sizes and thread characteristics are standardized by the

Diamond Core Drill Manufacturers Association (DCDMA) to insure proper connection between rods and

couplings purchased anywhere in the world. All Couplings are Heat Treated.

The old series drill rods and couplings known as E, A, B, and N are obsolete. However, they are still

available for use with older equipment.

"W" Design Drill Rod Specifications

Size

O.D.

I.D.

Threads

per inch

Weight

Coupling I.D.

Coupling Weight

inches

mm.

inches

mm.

lbs./ft.

kg./m.

inches

mm.

lbs.

kg.

1-3/8

34.9

15/16

23.8

2.8

4.2

7/16

11.1

1.0

.45

1-3/4

44.5

1-1/4

31.8

4.3

6.4

5/8

15.8

2.0

.90

2-1/8

53.9

1-3/4

44.4

4.3

6.4

3/4

19.0

3.5

1.59

2-5/8

66.6

2-1/4

57.1

5.5

8.2

1-3/8

34.9

5.5

2.50

3-1/2

88.9

3-1/16

77.8

8.8

13.1

2-3/8

60.3

7.6

3.45

"W" Design Drill Rods

( assembly includes rod and coupling )

Length of

Rod Assembly

Part Number

1 Ft.

(0.3 m.)

566EWX1ROD

566AWX1ROD

566BWX1ROD

566NWX1ROD

566HWX1ROD

2 Ft.

(0.61 m.)

566EWX2ROD

566AWX2ROD

566BWX2ROD

566NWX2ROD

566HWX2ROD

5 Ft.

(1.52 m.)

566EWX5ROD

566AWX5ROD

566BWX5ROD

566NWX5ROD

566HWX5ROD

10 Ft.

(3.05 m.)

566EWX10ROD

566AWX10ROD

566BWX10ROD

566NWX10ROD

566HWX10ROD

Coupling Only

566EWCOUPLING

566AWCOUPLING

566BWCOUPLING

566NWCOUPLING

566HWCOUPLING

* Nonstandard and Metric Sizes Available.

"W" Design rods and couplings, compared to the old series, have a larger outside and inside diameter which allows more fluid inside the rods and produces increased velocity of fluid returning to the surface.

DRILLERS SERVICES, INC. Hickory, North Carolina USA 800-334-2308, ext. 230

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